Storm Station

Beside a road

RWIS network, identified by the register

Identifier
E470H
Latitude
39.55156 N
Longitude
104.77786 W
Elevation
5,774 ft
Rank
1,923of 2,540 in Colorado, Oct 11
Observed
1:50 AMMDT, 30 minutes ago
Road surface
wet
Pavement temperature
67.1F

Ranking Statistics

On the radar over Cherry CreekReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

Beside a road

Drawn as the kind of place it stands at. 177 instruments in Colorado stand at one.

Station charts

Cherry Creek Report

Rank 1,923 of 2,540 in Colorado, Oct 11. 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.

Ranking Statistics

247 score80.4of 100

Colorado median
91.0the median score of 2,540 stations
Scoring higher
1,922stations in Colorado
Sharing its score
2ranks 1,923 to 1,924
Points deducted
19.69.6 reports received, 5.2 accuracy, 3.3 continuity, 1.0 arrival, 0.5 forecast check
Counted at the median
Forecast checknot measured at this station; Colorado median 95.0
Next above
FTHC2rank 1,922; ahead on 247 score 80.5 against 80.4
Next below
FW8940rank 1,924; behind on reports received 72.6% against 55.4%

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3572.625.4 of 35 pointsColorado median 97.7366 of 504 scheduled reports received in 7 days
  2. Arrivalweight 1090.39.0 of 10 pointsColorado median 84.4half its reports arrived within 15 min
  3. Continuityweight 1067.26.7 of 10 pointsColorado median 100.0longest silence 2.8 h, on a schedule of one report every 20 min
  4. Accuracyweight 2073.914.8 of 20 pointsColorado median 79.0its temperature against the airport station KAPA, 3.8 miles away, over 214 readings: typical difference 3.6 °F beyond a steady offset of -1.8 °F
  5. Instrument checksweight 15100.015.0 of 15 pointsColorado median 100.00 of 214 readings failed their check against its reference station
  6. Forecast checkweight 10-9.5 of 10 points, at the medianColorado median 95.0-

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

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (60 min), none for 72 (24 h)
Accuracy
Full marks within 1.9 °F of its reference, typically, none beyond 8.4 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
Rank
1,923of 2,540 in Colorado, Oct 11
Days reported, 30 days
0 of 30
Time to reach Storm Station
15 min9 in 10 within 25 min
Against its reference, 30 days
-1.7 °Fcooler than the airport station KAPA, 3.8 miles away, on average over 226 readings; typical difference 3.9 °F; also compared with 1 other reference station

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 366 of 504 scheduled reports received, 72.6%.

Against its reference: each temperature this station reports is compared with the nearest airport or climate reference station that reported within half an hour, up to 15 miles away. The figure is its reading less the reference's, on average, as both were reported; the typical difference is the root mean square. The difference in height is shown where both heights are known.

Chart of the 2,540 ranked stations in Colorado on Oct 11 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, 3; 10 to 19 per cent, 35; 20 to 29 per cent, 28; 30 to 39 per cent, 12; 40 to 49 per cent, 107; 50 to 59 per cent, 212; 60 to 69 per cent, 171; 70 to 79 per cent, 180; 80 to 89 per cent, 203; 90 to 99 per cent, 1,025; 100 per cent, 564. Cherry Creek received 72.6 per cent, 366 of 504 scheduled reports, rank 1,923 of 2,540.WHERE IT RANKS IN COLORADO, Oct 11THIS ONE: 72.6%, 366 OF 504, RANK 1,923 OF 2,540PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101001,0000 to 9310 to 193520 to 292830 to 391240 to 4910750 to 5921260 to 6917170 to 7918080 to 8920390 to 991,025100564STATIONS, LOG SCALE
Chart of Cherry Creek's rank in Colorado by how it reported, day by day, from 2026-10-06 to 2026-10-11: 2026-10-06 rank 2,607 of 2,610; 2026-10-07 rank 2,553 of 2,582; 2026-10-08 rank 2,511 of 2,564; 2026-10-09 rank 2,404 of 2,531; 2026-10-10 rank 2,403 of 2,531; 2026-10-11 rank 1,923 of 2,540.ITS RANK IN COLORADO, DAY BY DAYRANK, FIRST AT THE TOP11,0002,0003,000Oct 6Oct 7Oct 8Oct 9Oct 10Oct 11
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%564
90 to 99%1,025
80 to 89%203
70 to 79%180
60 to 69%171
50 to 59%212
40 to 49%107
30 to 39%12
20 to 29%28
10 to 19%35
0 to 9%3
DayRankStations rankedShare received
Oct 11, 20261,9232,54072.6%
Oct 10, 20262,4032,53159.1%
Oct 9, 20262,4042,53158.9%
Oct 8, 20262,5112,56432.7%
Oct 7, 20262,5532,58220.6%
Oct 6, 20262,6072,6107.1%

Station report

Cherry Creek, in 3 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The column

Contents

At 5,774 ft above sea level, 19 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 24.18 inHg and the temperature at 38.4 F.

Section from sea level of where Cherry Creek stands in the atmosphere, height to scale: the station 5,774 feet above sea level with 19 per cent of the air below it; the standard atmosphere's pressure there, 24.18 inches of mercury, and temperature, 38.4 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT E470HFIG. D WHERE CHERRY CREEK STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHERECHERRY CREEK19 PER CENT OF THE AIR BELOW IT5,774 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE24.18 inHgSTANDARD TEMPERATURE HERE38.4 FTITLECherry Creek, the columnSTATION REPORT · RWIS E470HTYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-11IDSR-E470H-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 11 the noon sun stands 43 degrees above the horizon at 39.55 N, and the day is 11 h 12 min long. Level ground there takes 68 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Cherry Creek, angles true: on Oct 11 it stands 43 degrees above the horizon, against 74 at the June solstice, 50 at the equinoxes and 27 at the December solstice; the day is 11 h 12 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT E470HFIG. E THE SUN AT CHERRY CREEKELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 74°EQUINOXES 50°DECEMBER SOLSTICE 27°OCT 11, 43°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 12 MINLEVEL GROUND TAKES 68 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.55 N; THE SUN'S DECLINATION -7.2°TITLECherry Creek, the sunSTATION REPORT · RWIS E470HTYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-11IDSR-E470H-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A road weather station, 5,774 ft above sea level. Its sensors, as its network builds them.

Elevation of a road weather station, Cherry Creek, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT E470HFIG. F THE INSTRUMENTELEVATION OF A ROAD WEATHER STATION, EACH SENSOR WITH WHAT IT READTHE ROAD, IN SECTIONPAVEMENT SENSOR, SET IN THE ROAD-PROBE UNDER THE ROAD-AIR TEMPERATURE ON THE TOWER-WIND AT THE TOP OF THE TOWER-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECherry Creek, the instrumentSTATION REPORT · RWIS E470HTYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-11IDSR-E470H-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

The instrumentWhat an instrument is FB-INS-001Stevenson screen and siting FB-INS-009

What it seesLapse rates and stability FB-ENG-005Water vapour as a gas FB-ENG-011Blizzard FB-EVT-081Ice storm FB-EVT-084Heat wave and heat dome FB-EVT-130Fire weather FB-EVT-139High wind FB-EVT-150Humidity variables FB-WAT-002Fog types FB-WAT-020

Near Cherry Creek

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