Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
09380000
Latitude
36.86433 N
Longitude
111.58787 W
Elevation
3,109 ft
Rank
854of 1,869 in Arizona, Oct 16
Observed
10:00 PMMST, 25 minutes ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Colorado River At Lees FerryReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 104 instruments in Arizona stand at one.

Station charts

Colorado River At Lees Ferry Report

Rank 854 of 1,869 in Arizona, Oct 16. 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 score92.2of 100

Arizona median
91.5the median score of 1,869 stations
Scoring higher
853stations in Arizona
Sharing its score
1no other station
Points deducted
7.83.8 continuity, 2.1 reports received, 0.7 accuracy, 0.6 forecast check, 0.6 arrival
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Arizona median 96.5, 100.0, 93.8
Next above
AZ-PM-285rank 853; ahead on 247 score 92.3 against 92.2
Next below
AZT19rank 855; behind on 247 score 92.2 against 92.1

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 3594.032.9 of 35 pointsArizona median 85.7158 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1094.39.4 of 10 pointsArizona median 79.1half its reports arrived within 13 min
  3. Continuityweight 1062.16.2 of 10 pointsArizona median 100.0longest silence 10 h, on a schedule of one report every 60 min
  4. Accuracyweight 20-19.3 of 20 points, at the medianArizona median 96.5-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianArizona median 100.0-
  6. Forecast checkweight 10-9.4 of 10 points, at the medianArizona median 93.8-

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 (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °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
854of 1,869 in Arizona, Oct 16
Schedule
every houron the hour's :00
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
158 of 16894.0% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
10 hoursfrom Oct 11, 6:00 AM
Latest report
Oct 16, 5:00 AMlocal time
Time to reach Storm Station
13 min9 in 10 within 32 min

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

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

Chart of the 1,869 ranked stations in Arizona on Oct 16 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, 0; 10 to 19 per cent, 4; 20 to 29 per cent, 23; 30 to 39 per cent, 5; 40 to 49 per cent, 139; 50 to 59 per cent, 240; 60 to 69 per cent, 39; 70 to 79 per cent, 172; 80 to 89 per cent, 421; 90 to 99 per cent, 308; 100 per cent, 518. Colorado River At Lees Ferry received 94.0 per cent, 158 of 168 scheduled reports, rank 854 of 1,869.WHERE IT RANKS IN ARIZONA, Oct 16THIS ONE: 94.0%, 158 OF 168, RANK 854 OF 1,869PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 910 to 19420 to 292330 to 39540 to 4913950 to 5924060 to 693970 to 7917280 to 8942190 to 99308100518STATIONS, LOG SCALE
Chart of Colorado River At Lees Ferry's rank in Arizona by how it reported, day by day, from 2026-10-07 to 2026-10-16: 2026-10-07 rank 1,397 of 1,508; 2026-10-08 rank 1,081 of 1,221; 2026-10-09 rank 895 of 1,661; 2026-10-10 rank 893 of 1,661; 2026-10-11 rank 837 of 1,656; 2026-10-12 rank 916 of 1,722; 2026-10-13 rank 816 of 1,762; 2026-10-14 rank 823 of 1,845; 2026-10-15 rank 1,115 of 1,880; 2026-10-16 rank 854 of 1,869.ITS RANK IN ARIZONA, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Oct 7Oct 9Oct 11Oct 13Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%518
90 to 99%308
80 to 89%421
70 to 79%172
60 to 69%39
50 to 59%240
40 to 49%139
30 to 39%5
20 to 29%23
10 to 19%4
0 to 9%0
DayRankStations rankedShare received
Oct 16, 20268541,86994.0%
Oct 15, 20261,1151,88093.4%
Oct 14, 20268231,84593.4%
Oct 13, 20268161,76292.8%
Oct 12, 20269161,72279.1%
Oct 11, 20268371,65670.2%
Oct 10, 20268931,66155.9%
Oct 9, 20268951,66155.3%
Oct 8, 20261,0811,22127.9%
Oct 7, 20261,3971,50813.6%

Station report

Colorado River At Lees Ferry, 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 3,109 ft above sea level, 11 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.71 inHg and the temperature at 47.9 F.

Section from sea level of where Colorado River At Lees Ferry stands in the atmosphere, height to scale: the station 3,109 feet above sea level with 11 per cent of the air below it; the standard atmosphere's pressure there, 26.71 inches of mercury, and temperature, 47.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 09380000FIG. D WHERE COLORADO RIVER AT LEES FERRY 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 ATMOSPHERECOLORADO RIVER AT LEES FERRY11 PER CENT OF THE AIR BELOW IT3,109 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 HERE26.71 inHgSTANDARD TEMPERATURE HERE47.9 FTITLEColorado River At Lees Ferry, the columnSTATION REPORT · DCP 09380000TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-09380000-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 16 the noon sun stands 44 degrees above the horizon at 36.86 N, and the day is 11 h 05 min long. Level ground there takes 70 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Colorado River At Lees Ferry, angles true: on Oct 16 it stands 44 degrees above the horizon, against 77 at the June solstice, 53 at the equinoxes and 30 at the December solstice; the day is 11 h 05 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 09380000FIG. E THE SUN AT COLORADO RIVER AT LEES FERRYELEVATION 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 77°EQUINOXES 53°DECEMBER SOLSTICE 30°OCT 16, 44°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 05 MINLEVEL GROUND TAKES 70 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 36.86 N; THE SUN'S DECLINATION -9.1°TITLEColorado River At Lees Ferry, the sunSTATION REPORT · DCP 09380000TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-09380000-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 3,109 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Colorado River At Lees Ferry, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 09380000FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEColorado River At Lees Ferry, the instrumentSTATION REPORT · DCP 09380000TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-09380000-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

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

What this instrument measures for

1 place reads it as one of the nearest to it.

Near Colorado River At Lees Ferry

Gauges

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