Storm Station

At a river or reservoir gauge

DCP network, identified by the register

Identifier
07195400
Latitude
36.14472 N
Longitude
94.49472 W
Elevation
933 ft
Rank
547of 681 in Arkansas, Oct 11
Observed
3:00 AMCDT, 41 minutes ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Illinois River at Hwy. 16 near Siloam SpringsReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 113 instruments in Arkansas stand at one.

Station charts

Illinois River at Hwy. 16 near Siloam Springs Report

Rank 547 of 681 in Arkansas, 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 score84.2of 100

Arkansas median
93.0the median score of 681 stations
Scoring higher
546stations in Arkansas
Sharing its score
11ranks 547 to 557
Points deducted
15.89.8 reports received, 4.6 arrival, 0.9 forecast check, 0.6 accuracy
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Arkansas median 96.8, 100.0, 91.5
Next above
AR-PK-1rank 546; ahead on 247 score 84.3 against 84.2
Next below
PBOA4rank 558; behind on 247 score 84.2 against 84.0
Sharing its rank
10other 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 3572.025.2 of 35 pointsArkansas median 97.6121 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1054.45.4 of 10 pointsArkansas median 80.9half its reports arrived within 33 min
  3. Continuityweight 10100.010.0 of 10 pointsArkansas median 100.0longest silence 61 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-19.4 of 20 points, at the medianArkansas median 96.8-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianArkansas median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianArkansas median 91.5-

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
547of 681 in Arkansas, Oct 11
Schedule
every houron the hour's :00
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
130 of 16877.3% of its schedule, 131 reports in all
Days reported, 30 days
-
Longest silence, 7 days
1 hourfrom Oct 5, 10:00 PM
Latest report
Oct 11, 8:00 AMlocal time
Time to reach Storm Station
33 min9 in 10 within 33 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 681 ranked stations in Arkansas 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, 1; 10 to 19 per cent, 11; 20 to 29 per cent, 2; 30 to 39 per cent, 7; 40 to 49 per cent, 20; 50 to 59 per cent, 46; 60 to 69 per cent, 20; 70 to 79 per cent, 137; 80 to 89 per cent, 46; 90 to 99 per cent, 273; 100 per cent, 118. Illinois River at Hwy. 16 near Siloam Springs received 72.0 per cent, 121 of 168 scheduled reports, rank 547 of 681.WHERE IT RANKS IN ARKANSAS, Oct 11THIS ONE: 72.0%, 121 OF 168, RANK 547 OF 681PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 191120 to 29230 to 39740 to 492050 to 594660 to 692070 to 7913780 to 894690 to 99273100118STATIONS, LOG SCALE
Chart of Illinois River at Hwy. 16 near Siloam Springs's rank in Arkansas by how it reported, day by day, from 2026-10-07 to 2026-10-11: 2026-10-07 rank 668 of 700; 2026-10-08 rank 662 of 701; 2026-10-09 rank 597 of 686; 2026-10-10 rank 596 of 686; 2026-10-11 rank 547 of 681.ITS RANK IN ARKANSAS, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Oct 7Oct 8Oct 9Oct 10Oct 11
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%118
90 to 99%273
80 to 89%46
70 to 79%137
60 to 69%20
50 to 59%46
40 to 49%20
30 to 39%7
20 to 29%2
10 to 19%11
0 to 9%1
DayRankStations rankedShare received
Oct 11, 202654768172.0%
Oct 10, 202659668657.7%
Oct 9, 202659768657.1%
Oct 8, 202666270129.1%
Oct 7, 202666870014.8%

Station report

Illinois River at Hwy. 16 near Siloam Springs, 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 933 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 Illinois River at Hwy. 16 near Siloam Springs stands in the atmosphere, height to scale: the station 933 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 07195400FIG. D WHERE ILLINOIS RIVER AT HWY. 16 NEAR SILOAM SPRINGS 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 ATMOSPHEREILLINOIS RIVER AT HWY. 16 NEAR SILOAM SPRINGS3 PER CENT OF THE AIR BELOW IT933 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 FTITLEIllinois River at Hwy. 16 near Siloam Springs, the columnSTATION REPORT · DCP 07195400TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-11IDSR-07195400-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 11 the noon sun stands 47 degrees above the horizon at 36.14 N, and the day is 11 h 17 min long. Level ground there takes 73 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Illinois River at Hwy. 16 near Siloam Springs, angles true: on Oct 11 it stands 47 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 17 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 07195400FIG. E THE SUN AT ILLINOIS RIVER AT HWY. 16 NEAR SILOAM SPRINGSELEVATION 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 11, 47°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 17 MINLEVEL GROUND TAKES 73 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 36.14 N; THE SUN'S DECLINATION -7.2°TITLEIllinois River at Hwy. 16 near Siloam Springs, the sunSTATION REPORT · DCP 07195400TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-11IDSR-07195400-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 933 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Illinois River at Hwy. 16 near Siloam Springs, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 07195400FIG. 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 SCALETITLEIllinois River at Hwy. 16 near Siloam Springs, the instrumentSTATION REPORT · DCP 07195400TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-11IDSR-07195400-3DRAWN 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

Near Illinois River at Hwy. 16 near Siloam Springs

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