Storm Station

At a river or reservoir gauge

DCP network, identified by the register

Identifier
AOPC1
Latitude
37.69986 N
Longitude
121.77368 W
Elevation
-
Listed
Automatically, on 550 reports in 147 hours over the last seven days
Rank
3,490of 4,072 in California, Oct 4

On the radar over Arroyo Las Positas near LivermoreReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 413 instruments in California stand at one.

Station charts

Arroyo Las Positas near Livermore Report

Rank 3,490 of 4,072 in California, Oct 4. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

247 score80.7of 100

  1. Reports receivedweight 3581.8550 of 672 scheduled reports received in 7 days
  2. Arrivalweight 1061.6half its reports arrived within 29 min
  3. Continuityweight 1059.1longest silence 2.8 h, on a schedule of one report every 15 min
  4. Accuracyweight 20--
  5. Instrument checksweight 15--
  6. Forecast checkweight 10--

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

Rank
3,490of 4,072 in California, Oct 4
Schedule
every 15 minon the hour's :00, :15, :30 and :45
Reports received, 24 hours
80 of 9683.3% of its schedule
Reports received, 7 days
542 of 67280.6% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
2 h 45 minfrom Sep 27, 5:30 PM
Latest report
Oct 4, 5:45 AMlocal time
Time to reach Storm Station
29 min9 in 10 within 30 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every 15 min, 96 in 24 hours. Two reports in the same 15 min count as one received.

Chart of the 4,072 ranked stations in California on Oct 4 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 86; 10 to 19 per cent, 52; 20 to 29 per cent, 8; 30 to 39 per cent, 43; 40 to 49 per cent, 36; 50 to 59 per cent, 54; 60 to 69 per cent, 151; 70 to 79 per cent, 116; 80 to 89 per cent, 218; 90 to 99 per cent, 2,244; 100 per cent, 1,064. Arroyo Las Positas near Livermore received 81.8 per cent, 550 of 672 scheduled reports, rank 3,490 of 4,072.WHERE IT RANKS IN CALIFORNIA, Oct 4THIS ONE: 81.8%, 550 OF 672, RANK 3,490 OF 4,072PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101001,0000 to 98610 to 195220 to 29830 to 394340 to 493650 to 595460 to 6915170 to 7911680 to 8921890 to 992,2441001,064STATIONS, LOG SCALE
Chart of Arroyo Las Positas near Livermore's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-04: 2026-09-26 rank 2,876 of 3,089; 2026-09-27 rank 2,906 of 3,141; 2026-09-28 rank 3,080 of 3,395; 2026-09-29 rank 3,097 of 3,460; 2026-09-30 rank 3,117 of 3,491; 2026-10-01 rank 3,193 of 3,586; 2026-10-02 rank 3,512 of 3,944; 2026-10-03 rank 3,509 of 3,944; 2026-10-04 rank 3,490 of 4,072.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP11,0002,0003,0004,000Sep 26Sep 28Sep 30Oct 2Oct 4
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%1,064
90 to 99%2,244
80 to 89%218
70 to 79%116
60 to 69%151
50 to 59%54
40 to 49%36
30 to 39%43
20 to 29%8
10 to 19%52
0 to 9%86
DayRankStations rankedShare received
Oct 4, 20263,4904,07281.8%
Oct 3, 20263,5093,94481.6%
Oct 2, 20263,5123,94481.6%
Oct 1, 20263,1933,58681.7%
Sep 30, 20263,1173,49182.9%
Sep 29, 20263,0973,46083.9%
Sep 28, 20263,0803,39584.0%
Sep 27, 20262,9063,14183.9%
Sep 26, 20262,8763,08984.0%
Reports received at Arroyo Las Positas near Livermore, reports from 0.0 to 4.0, the latest 0.0, in reports.REPORTS RECEIVEDreports012349 AM12 PM3 PM6 PM9 PMOct 43 AM6 AM
Reports received at Arroyo Las Positas near Livermore, reports from 0.0 to 4.0, the latest 0.0, in reports.REPORTS RECEIVEDreports01234Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4

The instrumentWhat an instrument is FB-INS-001

What it seesMoon and tides FB-CLK-003Hurricane FB-EVT-043Nor'easter FB-EVT-066Flash flood FB-EVT-100Coastal flood FB-EVT-105

Near Arroyo Las Positas near Livermore

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