Storm Station

At a river or reservoir gauge

DCP network, identified by the register

Identifier
GRHI2
Latitude
38.70280 N
Longitude
90.18060 W
Elevation
-
Listed
Automatically, on 328 reports in 169 hours over the last seven days
Rank
492of 1,162 in Illinois, Oct 4

On the radar over Mississippi AT Granite City LD 27 PoolReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 49 instruments in Illinois stand at one.

Station charts

Mississippi AT Granite City LD 27 Pool Report

Rank 492 of 1,162 in Illinois, Oct 4. 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.

247 score97.4of 100

  1. Reports receivedweight 3597.6328 of 336 scheduled reports received in 7 days
  2. Arrivalweight 1090.6half its reports arrived within 15 min
  3. Continuityweight 10100.0longest silence 1.5 h, on a schedule of one report every 30 min
  4. Accuracyweight 20--
  5. Instrument checksweight 15--
  6. Forecast checkweight 10--

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

Rank
492of 1,162 in Illinois, Oct 4
Schedule
every 30 minon the hour's :00 and :30
Reports received, 24 hours
47 of 4897.9% of its schedule
Reports received, 7 days
327 of 33697.3% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
1 h 30 minfrom Sep 30, 10:00 PM
Latest report
Oct 4, 7:30 AMlocal time
Time to reach Storm Station
15 min9 in 10 within 15 min

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

Its schedule is one report every 30 min, 48 in 24 hours. Two reports in the same 30 min count as one received.

Chart of the 1,162 ranked stations in Illinois on Oct 4 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, 32; 20 to 29 per cent, 2; 30 to 39 per cent, 25; 40 to 49 per cent, 12; 50 to 59 per cent, 12; 60 to 69 per cent, 200; 70 to 79 per cent, 22; 80 to 89 per cent, 33; 90 to 99 per cent, 318; 100 per cent, 505. Mississippi AT Granite City LD 27 Pool received 97.6 per cent, 328 of 336 scheduled reports, rank 492 of 1,162.WHERE IT RANKS IN ILLINOIS, Oct 4THIS ONE: 97.6%, 328 OF 336, RANK 492 OF 1,162PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 193220 to 29230 to 392540 to 491250 to 591260 to 6920070 to 792280 to 893390 to 99318100505STATIONS, LOG SCALE
Chart of Mississippi AT Granite City LD 27 Pool's rank in Illinois by how it reported, day by day, from 2026-09-26 to 2026-10-04: 2026-09-26 rank 340 of 415; 2026-09-27 rank 332 of 417; 2026-09-28 rank 384 of 517; 2026-09-29 rank 405 of 535; 2026-09-30 rank 366 of 540; 2026-10-01 rank 373 of 542; 2026-10-02 rank 629 of 1,103; 2026-10-03 rank 629 of 1,104; 2026-10-04 rank 492 of 1,162.ITS RANK IN ILLINOIS, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Sep 26Sep 28Sep 30Oct 2Oct 4
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%505
90 to 99%318
80 to 89%33
70 to 79%22
60 to 69%200
50 to 59%12
40 to 49%12
30 to 39%25
20 to 29%2
10 to 19%32
0 to 9%1
DayRankStations rankedShare received
Oct 4, 20264921,16297.6%
Oct 3, 20266291,10497.2%
Oct 2, 20266291,10397.2%
Oct 1, 202637354297.8%
Sep 30, 202636654098.7%
Sep 29, 202640553598.4%
Sep 28, 202638451798.5%
Sep 27, 202633241797.8%
Sep 26, 202634041595.7%
Reports received at Mississippi AT Granite City LD 27 Pool, reports from 0.0 to 2.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.511.529 AM12 PM3 PM6 PM9 PMOct 43 AM6 AM
Reports received at Mississippi AT Granite City LD 27 Pool, reports from 0.0 to 2.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.511.52Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4

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 Mississippi AT Granite City LD 27 Pool

Gauges

Weather instruments

Places