Storm Station
Sign in

At a river or reservoir gauge

DCP network, identified by the register

Identifier
07151000
Latitude
36.67198 N
Longitude
97.30949 W
Elevation
930 ft
Rank
334of 892 in Oklahoma, Oct 17
Observed
1:30 PMCDT, 58 minutes ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Salt Fork Arkansas River at TonkawaReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 129 instruments in Oklahoma stand at one.

Station charts

Salt Fork Arkansas River at Tonkawa Report

Rank 334 of 892 in Oklahoma, Oct 17. 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 score96.8of 100

Oklahoma median
95.8the median score of 892 stations
Scoring higher
333stations in Oklahoma
Sharing its score
32ranks 334 to 365
Points deducted
3.22.6 arrival, 0.6 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Oklahoma median 100.0, 100.0, 93.6
Next above
CMCO2rank 333; ahead on 247 score 96.9 against 96.8
Next below
07164500rank 360; behind on median arrival 22 min 51 s against 22 min 56 s
Sharing its rank
25other stations, equal on every measure

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 35100.035.0 of 35 pointsOklahoma median 99.4168 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1074.37.4 of 10 pointsOklahoma median 92.0half its reports arrived within 23 min
  3. Continuityweight 10100.010.0 of 10 pointsOklahoma median 100.0longest silence 60 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianOklahoma median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianOklahoma median 100.0-
  6. Forecast checkweight 10-9.4 of 10 points, at the medianOklahoma median 93.6-

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
334of 892 in Oklahoma, Oct 17
Schedule
every houron the hour's :30
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
168 of 168100% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
1 hourfrom Oct 10, 7:30 PM
Latest report
Oct 17, 6:30 PMlocal time
Time to reach Storm Station
23 min9 in 10 within 23 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 892 ranked stations in Oklahoma on Oct 17 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, 6; 10 to 19 per cent, 30; 20 to 29 per cent, 5; 30 to 39 per cent, 3; 40 to 49 per cent, 57; 50 to 59 per cent, 90; 60 to 69 per cent, 15; 70 to 79 per cent, 58; 80 to 89 per cent, 68; 90 to 99 per cent, 206; 100 per cent, 354. Salt Fork Arkansas River at Tonkawa received 100.0 per cent, 168 of 168 scheduled reports, rank 334 of 892.WHERE IT RANKS IN OKLAHOMA, Oct 17THIS ONE: 100.0%, 168 OF 168, RANK 334 OF 892PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9610 to 193020 to 29530 to 39340 to 495750 to 599060 to 691570 to 795880 to 896890 to 99206100354STATIONS, LOG SCALE
Chart of Salt Fork Arkansas River at Tonkawa's rank in Oklahoma by how it reported, day by day, from 2026-10-07 to 2026-10-17: 2026-10-07 rank 753 of 868; 2026-10-08 rank 724 of 849; 2026-10-09 rank 637 of 828; 2026-10-10 rank 639 of 828; 2026-10-11 rank 587 of 838; 2026-10-12 rank 527 of 832; 2026-10-13 rank 283 of 832; 2026-10-14 rank 272 of 835; 2026-10-15 rank 312 of 848; 2026-10-16 rank 330 of 859; 2026-10-17 rank 334 of 892.ITS RANK IN OKLAHOMA, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Oct 7Oct 9Oct 11Oct 13Oct 15Oct 17
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%354
90 to 99%206
80 to 89%68
70 to 79%58
60 to 69%15
50 to 59%90
40 to 49%57
30 to 39%3
20 to 29%5
10 to 19%30
0 to 9%6
DayRankStations rankedShare received
Oct 17, 2026334892100.0%
Oct 16, 2026330859100.0%
Oct 15, 2026312848100.0%
Oct 14, 2026272835100.0%
Oct 13, 2026283832100.0%
Oct 12, 202652783286.3%
Oct 11, 202658783872.0%
Oct 10, 202663982857.7%
Oct 9, 202663782857.1%
Oct 8, 202672484929.1%
Oct 7, 202675386814.8%

Station report

Salt Fork Arkansas River at Tonkawa, 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 930 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.93 inHg and the temperature at 55.7 F.

Section from sea level of where Salt Fork Arkansas River at Tonkawa stands in the atmosphere, height to scale: the station 930 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 28.93 inches of mercury, and temperature, 55.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 07151000FIG. D WHERE SALT FORK ARKANSAS RIVER AT TONKAWA 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 ATMOSPHERESALT FORK ARKANSAS RIVER AT TONKAWA3 PER CENT OF THE AIR BELOW IT930 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 HERE28.93 inHgSTANDARD TEMPERATURE HERE55.7 FTITLESalt Fork Arkansas River at Tonkawa, the columnSTATION REPORT · DCP 07151000TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-17IDSR-07151000-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 17 the noon sun stands 44 degrees above the horizon at 36.67 N, and the day is 11 h 03 min long. Level ground there takes 69 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Salt Fork Arkansas River at Tonkawa, angles true: on Oct 17 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 03 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 07151000FIG. E THE SUN AT SALT FORK ARKANSAS RIVER AT TONKAWAELEVATION 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 17, 44°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 03 MINLEVEL GROUND TAKES 69 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 36.67 N; THE SUN'S DECLINATION -9.5°TITLESalt Fork Arkansas River at Tonkawa, the sunSTATION REPORT · DCP 07151000TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-17IDSR-07151000-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 930 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Salt Fork Arkansas River at Tonkawa, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 07151000FIG. 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 SCALETITLESalt Fork Arkansas River at Tonkawa, the instrumentSTATION REPORT · DCP 07151000TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-17IDSR-07151000-3DRAWN 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-100River flood FB-EVT-102Coastal flood FB-EVT-105

Near Salt Fork Arkansas River at Tonkawa

Gauges

Weather instruments

Places