Storm Station

At a river or reservoir gauge

DCP network, identified by the register

Identifier
415518087583000
Latitude
41.92170 N
Longitude
87.97507 W
Elevation
-
Rank
937of 1,359 in Illinois, Oct 11
Observed
11:00 PMCDT, 18 minutes ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Addison Wwtf At AddisonReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 137 instruments in Illinois stand at one.

Station charts

Addison Wwtf At Addison Report

Rank 937 of 1,359 in Illinois, 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 score88.7of 100

Illinois median
94.3the median score of 1,359 stations
Scoring higher
913stations in Illinois
Sharing its score
24ranks 914 to 937
Points deducted
11.310.0 reports received, 0.6 arrival, 0.4 accuracy, 0.3 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Illinois median 97.8, 100.0, 97.0
Next above
420354088170500rank 917; ahead on median arrival 12 min 48 s against 12 min 50 s
Next below
05536195rank 938; behind on 247 score 88.7 against 88.5

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 3571.425.0 of 35 pointsIllinois median 96.1120 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1094.39.4 of 10 pointsIllinois median 94.4half its reports arrived within 13 min
  3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 64 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-19.6 of 20 points, at the medianIllinois median 97.8-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianIllinois median 100.0-
  6. Forecast checkweight 10-9.7 of 10 points, at the medianIllinois median 97.0-

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 (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
937of 1,359 in Illinois, Oct 11
Schedule
every houron the hour's :00
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
124 of 16873.8% of its schedule, 126 reports in all
Days reported, 30 days
-
Longest silence, 7 days
1 hourfrom Oct 5, 11:00 PM
Latest report
Oct 11, 4:00 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 1,359 ranked stations in Illinois 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, 2; 10 to 19 per cent, 30; 20 to 29 per cent, 8; 30 to 39 per cent, 11; 40 to 49 per cent, 68; 50 to 59 per cent, 161; 60 to 69 per cent, 14; 70 to 79 per cent, 172; 80 to 89 per cent, 156; 90 to 99 per cent, 372; 100 per cent, 365. Addison Wwtf At Addison received 71.4 per cent, 120 of 168 scheduled reports, rank 937 of 1,359.WHERE IT RANKS IN ILLINOIS, Oct 11THIS ONE: 71.4%, 120 OF 168, RANK 937 OF 1,359PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9210 to 193020 to 29830 to 391140 to 496850 to 5916160 to 691470 to 7917280 to 8915690 to 99372100365STATIONS, LOG SCALE
Chart of Addison Wwtf At Addison's rank in Illinois by how it reported, day by day, from 2026-10-07 to 2026-10-11: 2026-10-07 rank 1,331 of 1,449; 2026-10-08 rank 1,263 of 1,399; 2026-10-09 rank 1,018 of 1,364; 2026-10-10 rank 1,016 of 1,364; 2026-10-11 rank 937 of 1,359.ITS RANK IN ILLINOIS, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Oct 7Oct 8Oct 9Oct 10Oct 11
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%365
90 to 99%372
80 to 89%156
70 to 79%172
60 to 69%14
50 to 59%161
40 to 49%68
30 to 39%11
20 to 29%8
10 to 19%30
0 to 9%2
DayRankStations rankedShare received
Oct 11, 20269371,35971.4%
Oct 10, 20261,0161,36457.1%
Oct 9, 20261,0181,36456.5%
Oct 8, 20261,2631,39928.5%
Oct 7, 20261,3311,44914.2%

Station report

Addison Wwtf At Addison, in 2 sheets

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

1The sun

Contents

On Oct 11 the noon sun stands 41 degrees above the horizon at 41.92 N, and the day is 11 h 08 min long. Level ground there takes 65 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Addison Wwtf At Addison, angles true: on Oct 11 it stands 41 degrees above the horizon, against 72 at the June solstice, 48 at the equinoxes and 25 at the December solstice; the day is 11 h 08 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 415518087583000FIG. E THE SUN AT ADDISON WWTF AT ADDISONELEVATION 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 72°EQUINOXES 48°DECEMBER SOLSTICE 25°OCT 11, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 08 MINLEVEL GROUND TAKES 65 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 41.92 N; THE SUN'S DECLINATION -7.2°TITLEAddison Wwtf At Addison, the sunSTATION REPORT · DCP 415518087583000TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 1 of 2DATE2026-10-11IDSR-415518087583000-1DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

2The instrument

Contents

A data collection platform. Its sensors, as its network builds them.

Elevation of a data collection platform, Addison Wwtf At Addison, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 415518087583000FIG. 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 SCALETITLEAddison Wwtf At Addison, the instrumentSTATION REPORT · DCP 415518087583000TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 2 of 2DATE2026-10-11IDSR-415518087583000-2DRAWN 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 Addison Wwtf At Addison

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