Live/247 Rank/California

California 24/7 Rank

Every station in California ranked by its 247 score out of 100: how reliably it reports, how accurate its readings are against a reference station, how they pass their checks and how they stand against the forecast, over the last seven days.

4,072 stations ranked26.1% sent every report dueranked October 4, 2026page 14 of 17California instrumentsCalifornia weather

A station is ranked once its week holds enough reports to measure: 12, or 3 days for a gauge that reports once a day. Of the 4,072 ranked here, 3,746 have a page of their own; the rest are platforms heard here that have not yet reported enough to be listed.

Every station, ranked

Rank	Station	Score	Network	County	Received	Reports	Arrives in	Longest silence
3,251	Rio Linda - Dry CreekDIVC1	83.8	Gauge	Sacramento	80.9%	136 of 168	25 min	5 h
3,252	Cohasset RAWSCSTC1	83.7	Gauge	Butte	100%	168 of 168	14 min	69 min
3,253	Coffee RidgeCFRC1	83.7	Gauge	Trinity	100%	168 of 168	25 min	61 min
3,254	Agave HillAGVC1	83.7	Gauge	San Diego	98.8%	166 of 168	3.2 h	4 h
3,255	Desert CenterS2183	83.7	Soil	Riverside	94.1%	128 of 136	43 min	7 h
3,255	Ford Dry LakeS2184	83.7	Soil	Riverside	94.1%	128 of 136	43 min	7 h
3,255	Doe RidgeS2191	83.7	Soil	Mono	94.1%	128 of 136	43 min	7 h
3,258	French GulchS2218	83.7	Soil	Shasta	94.1%	128 of 136	43 min	7 h
3,259	Bethel Island 1W - Dutch SloughDUJC1	83.7	Gauge	Contra Costa	87.5%	196 of 224	45 min	1.8 h
3,260	Sacramento - American River D05DFBC1	83.7	Gauge	Sacramento	85.1%	143 of 168	25 min	8 h
3,261	Arroyo Simi AT Arroyo Simi Near SimiASNC1	83.7	Gauge	Ventura	75.8%	765 of 1,008	25 min	30 min
3,262	WVAC1WVAC1	83.6	DCP	-	70.5%	12 of 17	1.9 h	24 h
3,263	Santa Barbara MuniSBA	83.5	Airport	Santa Barbara	100%	168 of 168	6 min	60 min
3,264	Suwanna Ranch - Stoney CreekUWNC1	83.5	Gauge	Fresno	100%	168 of 168	25 min	61 min
3,265	Villa Park Dam - Alert #220VLLC1	83.5	Gauge	Orange	99.5%	669 of 672	30 min	45 min
3,266	Eaglerock Rsvr Alert #311EGRC1	83.5	Gauge	Los Angeles	95.8%	161 of 168	69 min	2.1 h
3,267	Ontario - Guasti ParkGPKC1	83.5	Gauge	San Bernardino	95.8%	161 of 168	70 min	2 h
3,268	Alberthill 2SE - North ElsinoreNELC1	83.5	Gauge	Riverside	95.8%	161 of 168	75 min	3 h
3,269	Sage RanchSGQC1	83.5	Gauge	Ventura	95.8%	161 of 168	75 min	2 h
3,270	Meiners Oaks FsMOKC1	83.5	Gauge	Ventura	95.8%	161 of 168	75 min	3 h
3,271	Ojai Summit Fire StationOJSC1	83.5	Gauge	Ventura	95.8%	161 of 168	75 min	2 h
3,272	Small Canyon DamSDMC1	83.5	Gauge	San Bernardino	95.8%	161 of 168	75 min	2 h
3,273	Cucamonga Canyon AlertCUOC1	83.5	Gauge	San Bernardino	95.8%	161 of 168	79 min	2 h
3,274	Cochora RanchS2189	83.5	Soil	San Luis Obispo	93.3%	127 of 136	43 min	7 h
3,274	Ash ValleyS2214	83.5	Soil	Lassen	93.3%	127 of 136	43 min	7 h
3,274	Alabama HillsS2237	83.5	Soil	Inyo	93.3%	127 of 136	43 min	7 h
3,277	EssexS2185	83.5	Soil	San Bernardino	93.3%	127 of 136	43 min	7 h
3,277	Eagle LakeS2192	83.5	Soil	Lassen	93.3%	127 of 136	43 min	7 h
3,279	Devils Post Pile RAWSDPPC1	83.4	Gauge	Madera	95.5%	214 of 224	35 min	61 min
3,280	Burnside Lake SnotelBSKC1	83.4	Gauge	Alpine	95.2%	160 of 168	44 min	5 h
3,281	Crescent City 3.8 NECA-DN-28	83.4	Volunteer	Del Norte	66.6%	2 of 3	26 min	33 h
3,282	Loleta 1.5 NNECA-HM-209	83.4	Volunteer	Humboldt	66.6%	2 of 3	26 min	34 h
3,282	Caspar 1.4 ESECA-MD-26	83.4	Volunteer	Mendocino	66.6%	2 of 3	26 min	34 h
3,282	Silverado 1.0 ESECA-OR-6	83.4	Volunteer	Orange	66.6%	2 of 3	26 min	34 h
3,282	San Diego 5.0 NWCA-SD-217	83.4	Volunteer	San Diego	66.6%	2 of 3	26 min	34 h
3,286	Glendora 1.4 ESECA-LA-81	83.4	Volunteer	Los Angeles	66.6%	2 of 3	26 min	2 days
3,286	Oceanside 5.2 SSECA-SD-207	83.4	Volunteer	San Diego	66.6%	2 of 3	26 min	2 days
3,286	Carlsbad 1.3ENECA-SD-86	83.4	Volunteer	San Diego	66.6%	2 of 3	26 min	2 days
3,286	Scotts Valley 1.4 WCA-SZ-41	83.4	Volunteer	Santa Cruz	66.6%	2 of 3	26 min	2 days
3,290	Redwood Valley 0.9 SWCA-MD-57	83.4	Volunteer	Mendocino	66.6%	2 of 3	26 min	24 h
3,291	CA-KG-11CA-KG-11	83.4	COCORAHS	-	66.6%	2 of 3	26 min	34 h
3,292	Burlingame 1.5 SECA-SM-48	83.4	Volunteer	San Mateo	66.6%	2 of 3	85 min	2 days
3,293	San Jose 3.5 ENECA-SC-12	83.4	Volunteer	Santa Clara	66.6%	2 of 3	86 min	34 h
3,293	Twentynine Palms 1.5 SWCA-SR-17	83.4	Volunteer	San Bernardino	66.6%	2 of 3	86 min	34 h
3,293	Davis 6.3 WCA-YL-21	83.4	Volunteer	Yolo	66.6%	2 of 3	86 min	34 h
3,296	Nevada City 2.0 NNWCA-NV-57	83.4	Volunteer	Nevada	66.6%	2 of 3	86 min	2 days
3,297	Seiad Valley 0.1 NNECA-SK-16	83.4	Volunteer	Siskiyou	66.6%	2 of 3	86 min	33 h
3,298	Sunnyvale 3.6 S (W6NW)CA-SC-42	83.4	Volunteer	Santa Clara	66.6%	2 of 3	86 min	34 h
3,299	Foster City 2.0 SSWCA-SM-52	83.4	Volunteer	San Mateo	66.6%	2 of 3	86 min	2 days
3,300	Monte Sereno 0.4 SSWCA-SC-5	83.4	Volunteer	Santa Clara	66.6%	2 of 3	86 min	34 h
3,300	Simi Valley 1.7 SWCA-VT-41	83.4	Volunteer	Ventura	66.6%	2 of 3	86 min	34 h
3,302	San Juan Capistrano 0.9 WCA-OR-70	83.4	Volunteer	Orange	66.6%	2 of 3	86 min	47 h
3,303	Artesia 0.5 WCA-LA-68	83.4	Volunteer	Los Angeles	66.6%	2 of 3	86 min	2 days
3,304	San Rafael 4.6 NWCA-MR-24	83.4	Volunteer	Marin	66.6%	2 of 3	86 min	33 h
3,305	Irvine 4.1 NNECA-OR-27	83.4	Volunteer	Orange	66.6%	2 of 3	86 min	34 h
3,305	Roseville 1.4 WSWCA-PC-63	83.4	Volunteer	Placer	66.6%	2 of 3	86 min	34 h
3,307	Oakdale 4.2 ENECA-SS-11	83.4	Volunteer	Stanislaus	66.6%	2 of 3	86 min	33 h
3,308	Walker 1.2 NECA-MN-8	83.4	Volunteer	Mono	66.6%	2 of 3	86 min	2 days
3,309	ByronC83	83.3	Airport	Contra Costa	99.2%	500 of 504	14 min	80 min
3,310	Little Rock CRK Above Dam PrecipLTKC1	83.3	Gauge	Los Angeles	95.2%	160 of 168	74 min	3 h
3,311	Potrero Canyon - Alert #858PEOC1	83.3	Gauge	Riverside	95.2%	160 of 168	75 min	3 h
3,312	Ventura 1SE - Arundell BarrancaADBC1	83.3	Gauge	Ventura	95.2%	160 of 168	75 min	3 h
3,313	Nr Lopez Lk Alert #707NIPC1	83.3	Gauge	Sanluis Obispo	95.2%	160 of 168	78 min	2 h
3,314	Hidden Hills 6.0 ENECA-LA-113	83.3	Volunteer	Los Angeles	66.6%	2 of 3	2.4 h	33 h
3,315	Oakland 1.7 NNWCA-AL-52	83.3	Volunteer	Alameda	66.6%	2 of 3	2.4 h	34 h
3,315	Mono City 1.9 SWCA-MN-6	83.3	Volunteer	Mono	66.6%	2 of 3	2.4 h	34 h
3,315	San Francisco 1.6 SECA-SF-17	83.3	Volunteer	San Francisco	66.6%	2 of 3	2.4 h	34 h
3,315	Callahan 2.3 NNWCA-SK-26	83.3	Volunteer	Siskiyou	66.6%	2 of 3	2.4 h	34 h
3,319	Chester - Humbug Summit RAWSHMRC1	83.2	Gauge	Plumas	99.4%	167 of 168	14 min	2 h
3,320	ParadisePDEC1	83.2	Gauge	Butte	99.4%	167 of 168	55 min	2 h
3,321	Rosemont - Vineyard WTPVWTC1	83.2	Gauge	Sacramento	74.3%	394 of 530	25 min	2.4 h
3,322	Santa RosaSTS	83.1	Airport	Sonoma	99.4%	167 of 168	6 min	2 h
3,323	Sacramento River -Balls Ferry BridgeBSFC1	83.1	Gauge	Shasta	99.4%	167 of 168	55 min	2 h
3,324	Morris Dam - Alert #416MSDC1	83.1	Gauge	Los Angeles	94.6%	159 of 168	73 min	3 h
3,325	Little Chino CkLTOC1	83.1	Gauge	San Bernardino	94.6%	159 of 168	74 min	2 h
3,326	Carbon Canyon Fire Station 70CBEC1	83.1	Gauge	Los Angeles	94.6%	159 of 168	74 min	2 h
3,327	Newbury Park - Rancho Sierra VistaBGSC1	83.1	Gauge	Ventura	94.6%	159 of 168	75 min	2 h
3,328	Lake SherwoodLSWC1	83.1	Gauge	Ventura	94.6%	159 of 168	75 min	3 h
3,329	Stubblefield ScanDLFC1	83.1	Gauge	San Luis Obispo	90.4%	152 of 168	45 min	5 h
3,330	Roseville 2ESE - Linda Creek WoodlakeLIWC1	83.1	Gauge	Placer	78.5%	132 of 168	16 min	8 h
3,331	AAPC1AAPC1	83.1	DCP	-	71.4%	10 of 14	3.2 h	24 h
3,332	Saugus Power Plant #1SGSC1	83.1	Cooperative	Los Angeles	71.4%	5 of 7	-	2 days
3,333	PTPC1PTPC1	83.1	DCP	-	66.6%	20 of 30	14 min	18 h
3,334	Camp 9CNIC1	83.0	Gauge	Los Angeles	100%	168 of 168	19 min	65 min
3,335	RanchitaRCHC1	83.0	Gauge	San Diego	99.4%	167 of 168	18 min	2 h
3,336	Deep SpringsS2187	83.0	Soil	Inyo	91.9%	125 of 136	43 min	7 h
3,337	Byron - West Canal at CliftonWCIC1	83.0	Gauge	Contra Costa	86.9%	584 of 672	30 min	2.3 h
3,338	Slide CanyonSLIC1	83.0	Gauge	Tuolumne	74.1%	249 of 336	25 min	61 min
3,339	Sacramento Metro AptSAPC1	83.0	Gauge	Sacramento	70.6%	475 of 672	24 min	70 min
3,340	TORC1TORC1	83.0	DCP	-	66.6%	22 of 33	15 min	17 h
3,341	Avalon - San Clemente IslandSIZC1	82.9	Gauge	Los Angeles	100%	168 of 168	17 min	60 min
3,342	Pierce CRKPIEC1	82.9	Gauge	Plumas	100%	168 of 168	19 min	60 min
3,343	Secret Town GOESSETC1	82.9	Gauge	Nevada	99.4%	167 of 168	17 min	2 h
3,344	Woodcrest DamWCDC1	82.9	Gauge	Riverside	94.0%	158 of 168	75 min	3 h
3,345	Beardsley WashBDHC1	82.9	Gauge	Ventura	94.0%	158 of 168	75 min	3 h
3,346	Cal State San BernardinoCSBC1	82.9	Gauge	San Bernardino	94.0%	158 of 168	77 min	3 h
3,347	Alert Res/Rain Gage 7 SSE Los Padres DamLPRC1	82.9	Gauge	Monterey	83.1%	335 of 403	19 min	4.9 h
3,348	Alert Stream/Rain Gage At Petaluma River A Corona RoadPCRC1	82.9	Gauge	Sonoma	73.8%	124 of 168	25 min	3 h
3,349	Anderson Grade SummitCD022	82.9	Road	Siskiyou	71.4%	480 of 672	20 min	45 min
3,350	Castro Valley 0.4 NNECA-AL-3	82.9	Volunteer	Alameda	66.6%	2 of 3	3.4 h	34 h
3,350	Forks of Salmon 1.0 NWCA-SK-9	82.9	Volunteer	Siskiyou	66.6%	2 of 3	3.4 h	34 h
3,352	Forestville 0.7 SWCA-SN-90	82.9	Volunteer	Sonoma	66.6%	2 of 3	3.4 h	2 days
3,353	Arcata 0.8 ECA-HM-214	82.9	Volunteer	Humboldt	66.6%	2 of 3	3.4 h	3 days
3,354	Rocklin 2SW - Miners RavineMPKC1	82.8	Gauge	Placer	77.3%	130 of 168	17 min	7.9 h
3,355	HiltRWISCD011	82.8	Road	Siskiyou	70.8%	255 of 360	20 min	61 min
3,356	SRFD White Oak DriveQSWC1	82.7	Gauge	Sonoma	100%	168 of 168	19 min	60 min
3,357	Orestimba CreekOSMC1	82.7	Gauge	Stanislaus	99.4%	167 of 168	18 min	2 h
3,358	Fontana 7SW - Glen AvonGLVC1	82.7	Gauge	Riverside	93.4%	157 of 168	75 min	3 h
3,359	Desert Hot SpringsDHTC1	82.7	Gauge	Riverside	93.4%	157 of 168	75 min	2 h
3,360	Los Posas Reservoir - Alert #9LPAC1	82.7	Gauge	Ventura	93.4%	157 of 168	75 min	3 h
3,361	Apple ValleyAPOC1	82.7	Gauge	San Bernardino	93.4%	157 of 168	75 min	2 h
3,362	Laytonville 9NW - Angelo Coast RangeAEOC1	82.7	Gauge	Mendocino	82.5%	416 of 504	35 min	1.5 h
3,363	Knoxville - McLaughlin ResMGLC1	82.7	Gauge	Napa	82.5%	416 of 504	35 min	1.5 h
3,364	Camp Comfort - San Antonio CreekSXCC1	82.7	Gauge	Ventura	75.3%	759 of 1,008	19 min	55 min
3,365	Crowder Flat SnotelCRWC1	82.6	Gauge	Modoc	95.8%	161 of 168	1.7 h	4 h
3,366	Highlands Lakes GOESHIGC1	82.5	Gauge	Trinity	99.4%	167 of 168	20 min	2 h
3,367	Rialto EocRLOC1	82.5	Gauge	San Bernardino	92.8%	156 of 168	75 min	2 h
3,368	Casitas Springs 1S - Fresno CanyonFOKC1	82.5	Gauge	Ventura	92.8%	156 of 168	75 min	3 h
3,368	Red MountainRDTC1	82.5	Gauge	Ventura	92.8%	156 of 168	75 min	3 h
3,370	Borracho SaddleBHOC1	82.5	Gauge	Ventura	92.8%	156 of 168	75 min	3 h
3,371	Mojave River AT MOJAVE RIVER AT HELENDALEMVHC1	82.5	Gauge	San Bernardino	92.8%	26 of 28	6.2 h	11 h
3,372	Holt 5SSE - Middle RiverMHDC1	82.5	Gauge	San Joaquin	84.3%	567 of 672	30 min	2 h
3,373	Santa Cruz 3SW - Younger LagoonYLRC1	82.5	Gauge	Santa Cruz	81.9%	413 of 504	35 min	1.5 h
3,374	Carmichael 2NW - Arcade CreekAPSC1	82.5	Gauge	Sacramento	80.3%	135 of 168	25 min	7 h
3,375	CollierCD024	82.5	Road	Siskiyou	68.5%	432 of 630	20 min	75 min
3,376	NVLC1NVLC1	82.5	DCP	-	64.2%	9 of 14	14 min	35.9 h
3,377	TracyTCY	82.4	Airport	San Joaquin	98.8%	498 of 504	14 min	80 min
3,378	Antelope Creek WashANWC1	82.4	Gauge	San Bernardino	95.2%	160 of 168	75 min	4 h
3,379	Ebbetts Pass SnotelEBTC1	82.4	Gauge	Alpine	95.2%	160 of 168	1.7 h	4 h
3,379	Echo Peak SnotelECOC1	82.4	Gauge	El Dorado	95.2%	160 of 168	1.7 h	4 h
3,379	Hagan S Meadow SnotelHGNC1	82.4	Gauge	El Dorado	95.2%	160 of 168	1.7 h	4 h
3,379	Horse Meadow SnotelHORC1	82.4	Gauge	Alpine	95.2%	160 of 168	1.7 h	4 h
3,379	Virginia Lakes Ridge SnotelVGAC1	82.4	Gauge	Mono	95.2%	160 of 168	1.7 h	4 h
3,384	Deep Springs SCANDPSC1	82.4	Gauge	Inyo	86.9%	146 of 168	46 min	4 h
3,385	Slates Hot Springs 5S - Big CreekGHMC1	82.4	Gauge	Monterey	81.7%	412 of 504	35 min	1.5 h
3,386	Isla Vista 0.3 WSWCA-SB-30	82.4	Volunteer	Santa Barbara	66.6%	2 of 3	4.4 h	34 h
3,387	Redlands 1.9 SSWCA-SR-100	82.4	Volunteer	San Bernardino	66.6%	2 of 3	4.4 h	33 h
3,388	Whitemore Hot Springs 2SW - ValentineVESC1	82.3	Gauge	Sierra	81.3%	410 of 504	34 min	1.5 h
3,389	OrangvaleORGC1	82.3	Gauge	Sacramento	79.7%	134 of 168	25 min	7 h
3,389	Rancho CordovaRNCC1	82.3	Gauge	Sacramento	79.7%	134 of 168	25 min	7 h
3,391	GBRC1GBRC1	82.3	DCP	-	70.8%	17 of 24	2.2 h	12 h
3,392	USGS/ALERT Gage/Forecast Point 5 SSW Salinas R Nr SpreckelsSPRC1	82.3	Gauge	Monterey	66.4%	335 of 504	15 min	60 min
3,393	Mount Shasta CityMHS	82.2	Airport	Siskiyou	100%	168 of 168	12 min	64 min
3,394	Byron 5SSE - Harvey BanksHOBC1	82.2	Gauge	Contra Costa	100%	168 of 168	25 min	61 min
3,395	Leavitt Meadows SnotelLVTC1	82.2	Gauge	Mono	95.2%	160 of 168	44 min	5 h
3,396	South Mountain Near Santa PaulaSMPC1	82.2	Gauge	Ventura	94.6%	159 of 168	75 min	4 h
3,397	Salyer RAWSLYEC1	82.2	Gauge	Trinity	86.3%	145 of 168	19 min	22.2 h
3,398	Rio Linda WcRILC1	82.2	Gauge	Sacramento	85.1%	286 of 336	25 min	6.5 h
3,399	PIT RIVER PH #1 - PG&EPTHC1	82.2	Gauge	Shasta	77.3%	130 of 168	15 min	10.5 h
3,400	Palm Valley ChannelPMVC1	82.1	Gauge	Riverside	91.6%	154 of 168	75 min	2 h
3,401	Windy PointWDPC1	82.1	Gauge	Riverside	91.6%	154 of 168	75 min	3 h
3,402	Livermore 3NW - Zone 7 WaterZSAC1	82.1	Gauge	Alameda	83.9%	564 of 672	29 min	2.3 h
3,403	Hwy 50 at Echo SummitCD029	82.0	Road	El Dorado	95.2%	480 of 504	16 min	69 min
3,404	Independence Camp SnotelICPC1	82.0	Gauge	Sierra	94.0%	158 of 168	1.7 h	4 h
3,405	Dinsmore 2.4 WNWCA-HM-189	82.0	Volunteer	Humboldt	66.6%	2 of 3	5.4 h	2 days
3,406	Arcata 4.6 WSWCA-HM-115	82.0	Volunteer	Humboldt	66.6%	2 of 3	5.4 h	32 h
3,407	Stockton 5.8 NNECA-SJ-4	82.0	Volunteer	San Joaquin	66.6%	2 of 3	5.4 h	36 h
3,408	Alpine Meadows-BaseAMBC1	82.0	Gauge	Placer	65.9%	29 of 44	14 min	16.1 h
3,409	TTRC1TTRC1	82.0	DCP	-	63.3%	19 of 30	18 min	17.5 h
3,410	Castaic - San Francisquito PH No2SFQC1	81.9	Gauge	Los Angeles	95.8%	161 of 168	74 min	5 h
3,411	Markleeville 10WSW - Lost Lake SnotelLLXC1	81.9	Gauge	Alpine	95.8%	161 of 168	1.7 h	5 h
3,412	Benton 15NW - AdobeADZC1	81.9	Gauge	Mono	95.8%	161 of 168	1.7 h	5 h
3,413	San Fernando 4NNE - Pacoima DamPDIC1	81.9	Gauge	Los Angeles	91.0%	153 of 168	74 min	2.4 h
3,414	Rancho Santa Margarita 9NEMVIC1	81.9	Gauge	Orange	91.0%	153 of 168	74 min	2 h
3,415	Morongo Valley - Mission CreekMSKC1	81.9	Gauge	Riverside	91.0%	153 of 168	75 min	3 h
3,416	Oxnard 2WNWOXAC1	81.9	Gauge	Ventura	91.0%	153 of 168	75 min	3 h
3,417	Big Bear CityL35	81.9	Airport	San Bernardino	82.7%	417 of 504	4 min	4.3 h
3,418	Bodega Marine ReserveBDZC1	81.9	Gauge	Sonoma	81.3%	410 of 504	35 min	1.7 h
3,419	Sacramento 7NNE - Dry Creek BypassEKHC1	81.9	Gauge	Sacramento	78.5%	132 of 168	25 min	7 h
3,420	Quincy (DWR)QNYC1	81.9	Gauge	Plumas	70.8%	238 of 336	25 min	61 min
3,421	Malibu CanyonMBCC1	81.8	Gauge	Los Angeles	100%	168 of 168	19 min	64 min
3,422	Calleguas Ck Abv US 101 Alert #681CGUC1	81.8	Gauge	Ventura	97.0%	163 of 168	75 min	5.9 h
3,423	Fallen Leaf SnotelFLFC1	81.8	Gauge	El Dorado	95.2%	160 of 168	44 min	5 h
3,424	Oxnard - Channel Islands HarbourCIKC1	81.8	Gauge	Ventura	93.4%	157 of 168	75 min	4 h
3,424	Pidgeon Pass Dam - Alert #875PDGC1	81.8	Gauge	Riverside	93.4%	157 of 168	75 min	4 h
3,426	Manzanita Mountain PrecipMZNC1	81.8	Gauge	Santa Barbara	76.7%	516 of 672	15 min	2.7 h
3,427	BogardCD004	81.8	Road	Lassen	70.2%	472 of 672	24 min	45 min
3,428	Bel Air Hotel #323BAHC1	81.7	Gauge	Los Angeles	95.2%	160 of 168	77 min	5 h
3,429	NorcoNNCC1	81.7	Gauge	Riverside	90.4%	152 of 168	75 min	3 h
3,430	Phelan - Cajon WestCJUC1	81.7	Gauge	San Bernardino	90.4%	76 of 84	2.3 h	6 h
3,431	Bethel Island 3E - Holland CutHDCC1	81.7	Gauge	Contra Costa	87.0%	585 of 672	30 min	3.5 h
3,432	Sims RoadCD016	81.7	Road	Shasta	68.4%	460 of 672	21 min	45 min
3,433	San Clemente (AWOS)NUC	81.7	Airport	Los Angeles	67.8%	114 of 168	13 min	24.1 h
3,434	Los Trancos ParkLTPC1	81.7	Gauge	San Mateo	65.4%	660 of 1,008	10 min	45 min
3,435	LMSC1LMSC1	81.7	DCP	-	62.0%	18 of 29	14 min	12 h
3,436	Grass ValleyGSVC1	81.6	Gauge	Nevada	98.8%	166 of 168	20 min	2 h
3,437	Sand FlatSDFC1	81.6	Gauge	Siskiyou	98.8%	166 of 168	30 min	2 h
3,438	Oxnard - NWSLOXC1	81.6	Gauge	Ventura	92.8%	156 of 168	75 min	4 h
3,439	Ward Creek #3 SnotelWRDC1	81.6	Gauge	Placer	92.8%	156 of 168	1.7 h	4 h
3,440	Roseville 7NW - Pleasant GrovePGBC1	81.6	Gauge	Placer	80.3%	135 of 168	29 min	7.3 h
3,441	La Honda RAWSLAHC1	81.5	Gauge	San Mateo	99.4%	167 of 168	18 min	2 h
3,442	Santa Margarita BoosterSMRC1	81.5	Gauge	Sanluis Obispo	92.8%	208 of 224	35 min	61 min
3,443	Peck Pit - Alert #42PKPC1	81.5	Gauge	Los Angeles	90.1%	137 of 152	78 min	3.3 h
3,444	Banning BenchBNBC1	81.5	Gauge	Riverside	89.8%	151 of 168	75 min	3 h
3,444	Skinner Lake - Alert #913SKNC1	81.5	Gauge	Riverside	89.8%	151 of 168	75 min	3 h
3,446	Roseville 3NW - Crocker RanchCKAC1	81.5	Gauge	Placer	77.9%	131 of 168	24 min	8 h
3,447	Gridley 3.3 SECA-BT-26	81.5	Volunteer	Butte	66.6%	2 of 3	6.4 h	35 h
3,448	Truckee - Tahoe Donner RAWSTADC1	81.4	Gauge	Nevada	100%	168 of 168	12 min	60 min
3,449	Woodfords - Hope ValleyHVSC1	81.4	Gauge	Alpine	99.4%	167 of 168	20 min	1.8 h
3,450	Pole Ck #656POCC1	81.4	Gauge	Ventura	92.2%	155 of 168	75 min	4 h
3,451	Banning - Tick RidgeLYMC1	81.4	Gauge	Riverside	92.2%	155 of 168	2.2 h	4 h
3,452	Shadow MtnsS2186	81.3	Soil	San Bernardino	94.1%	128 of 136	53 min	8 h
3,452	StubblefieldS2219	81.3	Soil	San Luis Obispo	94.1%	128 of 136	53 min	8 h
3,452	VallecitosS2234	81.3	Soil	San Benito	94.1%	128 of 136	53 min	8 h
3,452	RancheriaS2236	81.3	Soil	Mono	94.1%	128 of 136	53 min	8 h
3,456	Indio 7NWINIC1	81.3	Gauge	Riverside	89.2%	150 of 168	75 min	3 h
3,456	Santa Paula 4WSWLMVC1	81.3	Gauge	Ventura	89.2%	150 of 168	75 min	3 h
3,458	Westlake Village 8WSW - TrancasTTPC1	81.3	Gauge	Los Angeles	89.2%	150 of 168	78 min	3 h
3,459	Middle River At Howard Road BridgeMHRC1	81.3	Gauge	San Joaquin	76.1%	128 of 168	20 min	9 h
3,460	Meeks Bay - Lost CornerLCMC1	81.2	Gauge	El Dorado	100%	168 of 168	25 min	61 min
3,461	Parsons LandingPXLC1	81.2	Gauge	Los Angeles	99.4%	167 of 168	25 min	2 h
3,462	Lake Casitas At Dam - Alert #601LKCC1	81.2	Gauge	Ventura	91.6%	154 of 168	75 min	4 h
3,463	CaleroCAEC1	81.2	Gauge	Santa Clara	90.0%	605 of 672	19 min	11.3 h
3,464	Los Banos DamLBDC1	81.2	Gauge	Merced	74.4%	125 of 168	30 min	4 h
3,465	Pulgas RAWSPUGC1	81.1	Gauge	San Mateo	100%	168 of 168	17 min	60 min
3,466	Clear CRKCLCC1	81.1	Gauge	Shasta	100%	168 of 168	25 min	61 min
3,467	Upland WFAUWAC1	81.1	Gauge	San Bernardino	93.4%	157 of 168	70 min	5 h
3,468	Fredonyer SmtCD008	81.1	Road	Lassen	68.4%	460 of 672	25 min	45 min
3,469	Spring Creek ResRSXC1	81.1	Gauge	Shasta	68.4%	230 of 336	24 min	1.5 h
3,470	Verdi 9N - Beacon PeakVBPC1	81.0	Gauge	Sierra	98.5%	662 of 672	20 min	30 min
3,471	Livermore 5SE - Arroyo MochoAMVC1	81.0	Gauge	Alameda	83.3%	560 of 672	29 min	3 h
3,472	Georgiana SloughGGSC1	81.0	Gauge	Sacramento	76.1%	128 of 168	25 min	7 h
3,473	El Cerrito 0.3 WNWCA-CC-40	81.0	Volunteer	Contra Costa	66.6%	2 of 3	7.4 h	3 days
3,474	Chula Vista 1.5 SSECA-SD-20	81.0	Volunteer	San Diego	66.6%	2 of 3	7.4 h	34 h
3,474	Ceres 0.8 NECA-SS-13	81.0	Volunteer	Stanislaus	66.6%	2 of 3	7.4 h	34 h
3,476	Willow Creek 3.2 NECA-HM-149	81.0	Volunteer	Humboldt	66.6%	2 of 3	7.4 h	32 h
3,477	Barstow - LandfillLDBC1	80.9	Gauge	San Bernardino	95.8%	161 of 168	75 min	7 h
3,478	Bridgeport ValleyBVAC1	80.9	Gauge	Mono	78.1%	394 of 504	34 min	1.7 h
3,479	Simi Valley 1W - Bus Canyon DrainBUYC1	80.8	Gauge	Ventura	90.4%	152 of 168	75 min	4 h
3,480	Thornton 4W - South Mokelumne RiverMWGC1	80.8	Gauge	San Joaquin	84.5%	142 of 168	49 min	4 h
3,481	Roseville 2ESE - Cirby CreekCSIC1	80.8	Gauge	Placer	78.5%	132 of 168	29 min	7.8 h
3,482	Sloughhouse 6NE - Deer CreekOTTC1	80.8	Gauge	Sacramento	75.0%	126 of 168	25 min	6.6 h
3,483	MVPC1MVPC1	80.8	DCP	-	70.8%	17 of 24	3.2 h	17 h
3,484	Woodside - Huddart ParkHUDC1	80.8	Gauge	San Mateo	65.4%	660 of 1,008	10 min	60 min
3,485	MTRC1MTRC1	80.8	DCP	-	60.6%	20 of 33	15 min	17 h
3,486	BNEC1BNEC1	80.8	DCP	-	60.0%	18 of 30	15 min	18 h
3,487	Lake Tahoe Outlet PrecipTAOC1	80.7	Gauge	Placer	100%	168 of 168	25 min	61 min
3,488	Cherry Valley 1NE - Bogart ParkBOPC1	80.7	Gauge	Riverside	94.0%	158 of 168	5.6 h	6 h
3,489	Jamesburg 3SW - Hastings Nat HistHNHC1	80.7	Gauge	Monterey	82.1%	414 of 504	35 min	2.7 h
3,490	Arroyo Las Positas near LivermoreAOPC1	80.7	Gauge	Alameda	81.8%	550 of 672	29 min	2.8 h
3,491	Twitchell Dam Alert #513TWDC1	80.7	Gauge	Sanluis Obispo	71.4%	240 of 336	16 min	4 h
3,492	Boony Doon FireBONC1	80.6	Gauge	Contra Costa	100%	168 of 168	15 min	61 min
3,493	AMAC1AMAC1	80.6	DCP	-	85.7%	6 of 7	22.7 h	36 h
3,493	FTOC1FTOC1	80.6	DCP	-	85.7%	6 of 7	22.7 h	36 h
3,493	MZCC1MZCC1	80.6	DCP	-	85.7%	6 of 7	22.7 h	36 h
3,493	PLBC1PLBC1	80.6	DCP	-	85.7%	6 of 7	22.7 h	36 h
3,497	NFEC1NFEC1	80.6	DCP	-	66.6%	22 of 33	85 min	19 h
3,498	Dinsmore 2.3 WCA-HM-79	80.6	Volunteer	Humboldt	66.6%	2 of 3	8.4 h	32 h
3,499	San Jose/Reid/HillvRHV	80.6	Airport	Santa Clara	60.1%	101 of 168	10 min	11.1 h
3,500	Monocline RidgeS2217	80.5	Soil	Fresno	91.9%	125 of 136	53 min	8 h

How a station is ranked

The 247 Rank answers one question about a weather station: can its readings be relied on? A station has to deliver: its reports arrive when due, soon, without long silences. And its readings have to be right: close to a trusted station nearby, passing their checks, and in step with the weather the forecast and its neighbours confirm.

The 247 score

Storm Station's poller asks every network on its own schedule, around the clock, and keeps the time of every report it hears; the reference comparison and the forecast engine keep the rest. From the last seven days of that record each station is scored out of 100 on six parts, and its 247 score is their weighted mean:

Reports receivedweight 35The share of its scheduled reports received. A station that sends every 5 minutes is due 2,016 reports in a week; one that reports once a day is due 7. Each report is counted in a slot centred on the station's own report time, so a report a minute early or late is still on time, and the week ends an hour back, so a report still on its way is never counted missed.Full marks: 100% received. No marks: none received.
Arrivalweight 10The median time its reports took to arrive from the moment a reading was taken to the moment it reached Storm Station.Full marks: within 10 minutes, or a tenth of its schedule for a station that reports less often. No marks: an hour, or its whole schedule.
Continuityweight 10Its longest silence against its own schedule, so a daily gauge is not marked down for a day between reports.Full marks: a silence of 3 reports or less. No marks: 72 reports, falling evenly on a log scale between.
Accuracyweight 20How closely its temperature follows its reference station the nearest airport or climate reference station that reported within half an hour, up to 15 miles away, reading by reading. A steady offset is taken out, and where both heights are known only the offset beyond 3 F that the height difference does not explain is counted.Full marks: within 1.5 F, allowing 0.1 F more for each mile to the reference. No marks: 6.5 F beyond that.
Instrument checksweight 15The share of its readings that pass a check. For an airfield, the check the forecast engine runs the next day: each reading against the stations around it, as weather services check their own. For any other station, a reading 20 F or more from its reference fails, unless the two stand 3,000 ft or more apart.Full marks: none failed. No marks: 5% failed.
Forecast checkweight 10How closely its temperature matched Storm Station's forecast for the same hours, checked the next day, for every airfield the forecast engine scores. A station whose readings stray far from a forecast its neighbours confirm is one to doubt.Full marks: within 2 F on average. No marks: 8 F.

A part is scored once the week holds 24 readings or comparisons for it. A part that cannot be measured where a station stands counts at the middle of its state's measured stations, so the station is neither lifted nor sunk by it. A part measured nowhere in the state is left out, and the others carry its weight.

From score to rank

Each state's stations are ranked by their score, to the tenth. At an equal score the longer record comes first: a station that sent 2,016 of 2,016 reports has shown more than one that sent 7 of 7. Then the faster arrival, then the shorter silence. Ties on all of them share a rank, as a race is scored: three stations tied for third are all third, and the next is sixth.

A station is ranked once its week holds enough reports to measure: 12, or 3 days for a gauge that reports once a day. The rank is made again every day, so a station that falls silent or starts to read wrong drops, and one that recovers climbs back. Every page shows the same ranking: a station's rank here, in its state's list and on its own page come from one run, and a new run reaches them together. Each station's page shows its score part by part, with the figures behind each.

The same figures as data

/api/ranks for a state and /api/rank for one station, its score in parts; the developer page has every field.