Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
361004112024300
Latitude
36.16797 N
Longitude
112.04548 W
Elevation
3,924 ft
Rank
850of 1,869 in Arizona, Oct 16
Observed
11:00 PMMST, 1 hour ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Bright Angel Precip Blw Cottonwood Campgd In GcnpReflectivityStorm 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

Bright Angel Precip Blw Cottonwood Campgd In Gcnp Report

Rank 850 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 score92.5of 100

Arizona median
91.5the median score of 1,869 stations
Scoring higher
849stations in Arizona
Sharing its score
1no other station
Points deducted
7.55.0 reports received, 0.7 continuity, 0.7 accuracy, 0.6 forecast check, 0.5 arrival
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Arizona median 96.5, 100.0, 93.8
Next above
NWNA3rank 849; ahead on 247 score 92.6 against 92.5
Next below
AZ-PM-397rank 851; behind on 247 score 92.5 against 92.3

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 3585.730.0 of 35 pointsArizona median 85.7432 of 504 scheduled reports received in 7 days
  2. Arrivalweight 1095.09.5 of 10 pointsArizona median 79.1half its reports arrived within 13 min
  3. Continuityweight 1093.09.3 of 10 pointsArizona median 100.0longest silence 75 min, on a schedule of one report every 20 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 (60 min), none for 72 (24 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
850of 1,869 in Arizona, Oct 16
Schedule
every 20 minon the hour's :00, :20, :25, :40 and :45
Reports received, 24 hours
32 of 7244.4% of its schedule, 33 reports in all
Reports received, 7 days
419 of 50483.1% of its schedule, 428 reports in all
Days reported, 30 days
-
Longest silence, 7 days
75 minfrom Oct 13, 9:00 AM
Latest report
Oct 16, 6:00 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 20 min, 72 in 24 hours. Two reports in the same 20 min 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. Bright Angel Precip Blw Cottonwood Campgd In Gcnp received 85.7 per cent, 432 of 504 scheduled reports, rank 850 of 1,869.WHERE IT RANKS IN ARIZONA, Oct 16THIS ONE: 85.7%, 432 OF 504, RANK 850 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 Bright Angel Precip Blw Cottonwood Campgd In Gcnp's rank in Arizona by how it reported, day by day, from 2026-10-07 to 2026-10-16: 2026-10-07 rank 1,396 of 1,508; 2026-10-08 rank 1,080 of 1,221; 2026-10-09 rank 889 of 1,661; 2026-10-10 rank 890 of 1,661; 2026-10-11 rank 838 of 1,656; 2026-10-12 rank 742 of 1,722; 2026-10-13 rank 227 of 1,762; 2026-10-14 rank 687 of 1,845; 2026-10-15 rank 997 of 1,880; 2026-10-16 rank 850 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, 20268501,86985.7%
Oct 15, 20269971,88092.0%
Oct 14, 20266871,84592.6%
Oct 13, 20262271,76298.0%
Oct 12, 20267421,72284.1%
Oct 11, 20268381,65669.8%
Oct 10, 20268901,66156.1%
Oct 9, 20268891,66155.7%
Oct 8, 20261,0801,22128.1%
Oct 7, 20261,3961,50813.8%

Station report

Bright Angel Precip Blw Cottonwood Campgd In Gcnp, 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 3,924 ft above sea level, 13 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 25.91 inHg and the temperature at 45.0 F.

Section from sea level of where Bright Angel Precip Blw Cottonwood Campgd In Gcnp stands in the atmosphere, height to scale: the station 3,924 feet above sea level with 13 per cent of the air below it; the standard atmosphere's pressure there, 25.91 inches of mercury, and temperature, 45.0 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 361004112024300FIG. D WHERE BRIGHT ANGEL PRECIP BLW COTTONWOOD CAMPGD IN GCNP 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 ATMOSPHEREBRIGHT ANGEL PRECIP BLW COTTONWOOD CAMPGD IN GCNP13 PER CENT OF THE AIR BELOW IT3,924 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 HERE25.91 inHgSTANDARD TEMPERATURE HERE45.0 FTITLEBright Angel Precip Blw Cottonwood Campgd In Gcnp, the columnSTATION REPORT · DCP 361004112024300TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-361004112024300-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 16 the noon sun stands 45 degrees above the horizon at 36.17 N, and the day is 11 h 06 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 Bright Angel Precip Blw Cottonwood Campgd In Gcnp, angles true: on Oct 16 it stands 45 degrees above the horizon, against 77 at the June solstice, 54 at the equinoxes and 30 at the December solstice; the day is 11 h 06 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 361004112024300FIG. E THE SUN AT BRIGHT ANGEL PRECIP BLW COTTONWOOD CAMPGD IN GCNPELEVATION 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 54°DECEMBER SOLSTICE 30°OCT 16, 45°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 06 MINLEVEL GROUND TAKES 70 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 36.17 N; THE SUN'S DECLINATION -9.1°TITLEBright Angel Precip Blw Cottonwood Campgd In Gcnp, the sunSTATION REPORT · DCP 361004112024300TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-361004112024300-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 3,924 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Bright Angel Precip Blw Cottonwood Campgd In Gcnp, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 361004112024300FIG. 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 SCALETITLEBright Angel Precip Blw Cottonwood Campgd In Gcnp, the instrumentSTATION REPORT · DCP 361004112024300TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-361004112024300-3DRAWN 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

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