Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
CHSI2
Latitude
37.90000 N
Longitude
89.83330 W
Elevation
-
Listed
Automatically, on 336 reports in 169 hours over the last seven days
Rank
440of 1,393 in Illinois, Oct 16
Observed
4:00 AMCDT, 57 minutes ago
Precipitation today
0in

Ranking Statistics

On the radar over Mississippi River AT ChesterReflectivityStorm 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

Mississippi River AT Chester Report

Rank 440 of 1,393 in Illinois, 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 score98.1of 100

Illinois median
95.9the median score of 1,393 stations
Scoring higher
439stations in Illinois
Sharing its score
16ranks 440 to 455
Points deducted
1.91.3 arrival, 0.5 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Illinois median 100.0, 100.0, 94.7
Next above
TIPrank 439; ahead on 247 score 98.2 against 98.1
Next below
LMTI2rank 442; behind on reports due 336 against 168, the longer record first
Sharing its rank
1other 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 pointsIllinois median 99.1336 of 336 scheduled reports received in 7 days
  2. Arrivalweight 1086.88.7 of 10 pointsIllinois median 96.3half its reports arrived within 17 min
  3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 32 min, on a schedule of one report every 30 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianIllinois median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianIllinois median 100.0-
  6. Forecast checkweight 10-9.5 of 10 points, at the medianIllinois median 94.7-

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 (1.5 h), none for 72 (36 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
440of 1,393 in Illinois, Oct 16
Schedule
every 30 minon the hour's :00 and :30
Reports received, 24 hours
48 of 48100% of its schedule
Reports received, 7 days
336 of 336100% of its schedule
Days reported, 30 days
30 of 30
Longest silence, 7 days
31 minfrom Oct 9, 11:59 PM
Latest report
Oct 16, 4:30 AMlocal time
Time to reach Storm Station
17 min9 in 10 within 17 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 1,393 ranked stations in Illinois 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, 2; 10 to 19 per cent, 8; 20 to 29 per cent, 28; 30 to 39 per cent, 5; 40 to 49 per cent, 83; 50 to 59 per cent, 144; 60 to 69 per cent, 25; 70 to 79 per cent, 91; 80 to 89 per cent, 143; 90 to 99 per cent, 339; 100 per cent, 525. Mississippi River AT Chester received 100.0 per cent, 336 of 336 scheduled reports, rank 440 of 1,393.WHERE IT RANKS IN ILLINOIS, Oct 16THIS ONE: 100.0%, 336 OF 336, RANK 440 OF 1,393PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9210 to 19820 to 292830 to 39540 to 498350 to 5914460 to 692570 to 799180 to 8914390 to 99339100525STATIONS, LOG SCALE
Chart of Mississippi River AT Chester's rank in Illinois by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 46 of 415; 2026-09-27 rank 43 of 417; 2026-09-28 rank 36 of 517; 2026-09-29 rank 39 of 535; 2026-09-30 rank 40 of 540; 2026-10-01 rank 226 of 542; 2026-10-02 rank 546 of 1,103; 2026-10-03 rank 546 of 1,104; 2026-10-04 rank 449 of 1,162; 2026-10-05 rank 404 of 1,318; 2026-10-06 rank 410 of 1,354; 2026-10-07 rank 388 of 1,449; 2026-10-08 rank 379 of 1,399; 2026-10-09 rank 355 of 1,364; 2026-10-10 rank 354 of 1,364; 2026-10-11 rank 330 of 1,359; 2026-10-12 rank 355 of 1,354; 2026-10-13 rank 402 of 1,360; 2026-10-14 rank 419 of 1,356; 2026-10-15 rank 436 of 1,375; 2026-10-16 rank 440 of 1,393.ITS RANK IN ILLINOIS, DAY BY DAYRANK, FIRST AT THE TOP1200400600Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%525
90 to 99%339
80 to 89%143
70 to 79%91
60 to 69%25
50 to 59%144
40 to 49%83
30 to 39%5
20 to 29%28
10 to 19%8
0 to 9%2
DayRankStations rankedShare received
Oct 16, 20264401,393100.0%
Oct 15, 20264361,375100.0%
Oct 14, 20264191,35699.4%
Oct 13, 20264021,36099.4%
Oct 12, 20263551,35499.4%
Oct 11, 20263301,35999.4%
Oct 10, 20263541,36499.4%
Oct 9, 20263551,36499.4%
Oct 8, 20263791,39999.1%
Oct 7, 20263881,44999.7%
Oct 6, 20264101,35499.7%
Oct 5, 20264041,31899.7%
Oct 4, 20264491,16299.7%
Oct 3, 20265461,10499.6%
Oct 2, 20265461,10399.6%
Oct 1, 202622654299.6%
Sep 30, 202640540100.0%
Sep 29, 202639535100.0%
Sep 28, 202636517100.0%
Sep 27, 202643417100.0%
Sep 26, 202646415100.0%
Precipitation at Mississippi River AT Chester, precipitation from 0.00 to 0.11, the latest 0.00, in inches.PRECIPITATIONin0.000.050.100.156 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Reports received at Mississippi River AT Chester, reports from 1.0 to 3.0, the latest 3.0, in reports.REPORTS RECEIVEDreports01236 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Fri 16, 4 AM0.003
Fri 16, 3 AM0.002
Fri 16, 2 AM0.003
Fri 16, 1 AM0.002
Fri 16, 12 AM0.001
Thu 15, 11 PM0.002
Thu 15, 10 PM0.002
Thu 15, 9 PM0.032
Thu 15, 8 PM0.112
Thu 15, 7 PM0.002
Thu 15, 6 PM0.002
Thu 15, 5 PM0.002
Thu 15, 4 PM0.002
Thu 15, 3 PM0.002
Thu 15, 2 PM0.002
Thu 15, 1 PM0.082
Thu 15, 12 PM0.002
Thu 15, 11 AM0.002
Thu 15, 10 AM0.002
Thu 15, 9 AM0.002
Thu 15, 8 AM0.002
Thu 15, 7 AM0.002
Thu 15, 6 AM0.002
Thu 15, 5 AM0.002
Precipitation at Mississippi River AT Chester, precipitation from 0.00 to 1.59, the latest 0.00, in inches.PRECIPITATIONin0.000.501.001.502.00Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Mississippi River AT Chester, reports from 1.0 to 3.0, the latest 3.0, in reports.REPORTS RECEIVEDreports0123Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Fri 16, 4 AM0.003
Fri 16, 3 AM0.002
Fri 16, 2 AM0.003
Fri 16, 1 AM0.002
Fri 16, 12 AM0.001
Thu 15, 11 PM0.002
Thu 15, 10 PM0.002
Thu 15, 9 PM0.032
Thu 15, 8 PM0.112
Thu 15, 7 PM0.002
Thu 15, 6 PM0.002
Thu 15, 5 PM0.002
Thu 15, 4 PM0.002
Thu 15, 3 PM0.002
Thu 15, 2 PM0.002
Thu 15, 1 PM0.082
Thu 15, 12 PM0.002
Thu 15, 11 AM0.002
Thu 15, 10 AM0.002
Thu 15, 9 AM0.002
Thu 15, 8 AM0.002
Thu 15, 7 AM0.002
Thu 15, 6 AM0.002
Thu 15, 5 AM0.002
Thu 15, 4 AM0.002
Thu 15, 3 AM0.002
Thu 15, 2 AM0.002
Thu 15, 1 AM0.002
Thu 15, 12 AM0.002
Wed 14, 11 PM0.002
Wed 14, 10 PM0.002
Wed 14, 9 PM0.002
Wed 14, 8 PM0.002
Wed 14, 7 PM0.002
Wed 14, 6 PM0.002
Wed 14, 5 PM0.002
Wed 14, 4 PM0.002
Wed 14, 3 PM0.002
Wed 14, 2 PM0.002
Wed 14, 1 PM0.002
Wed 14, 12 PM0.002
Wed 14, 11 AM0.002
Wed 14, 10 AM0.002
Wed 14, 9 AM0.092
Wed 14, 8 AM0.122
Wed 14, 7 AM1.592
Wed 14, 6 AM0.002
Wed 14, 5 AM0.002
Wed 14, 4 AM0.002
Wed 14, 3 AM0.002
Wed 14, 2 AM0.002
Wed 14, 1 AM0.002
Wed 14, 12 AM0.002
Tue 13, 11 PM0.002
Tue 13, 10 PM0.002
Tue 13, 9 PM0.002
Tue 13, 8 PM0.002
Tue 13, 7 PM0.002
Tue 13, 6 PM0.002
Tue 13, 5 PM0.002
Tue 13, 4 PM0.002
Tue 13, 3 PM0.002
Tue 13, 2 PM0.002
Tue 13, 1 PM0.002
Tue 13, 12 PM0.002
Tue 13, 11 AM0.002
Tue 13, 10 AM0.002
Tue 13, 9 AM0.002
Tue 13, 8 AM0.002
Tue 13, 7 AM0.002
Tue 13, 6 AM0.002
Tue 13, 5 AM0.002
Tue 13, 4 AM0.002
Tue 13, 3 AM0.002
Tue 13, 2 AM0.002
Tue 13, 1 AM0.002
Tue 13, 12 AM0.002
Mon 12, 11 PM0.002
Mon 12, 10 PM0.002
Mon 12, 9 PM0.002
Mon 12, 8 PM0.002
Mon 12, 7 PM0.002
Mon 12, 6 PM0.002
Mon 12, 5 PM0.002
Mon 12, 4 PM0.002
Mon 12, 3 PM0.002
Mon 12, 2 PM0.002
Mon 12, 1 PM0.002
Mon 12, 12 PM0.002
Mon 12, 11 AM0.002
Mon 12, 10 AM0.002
Mon 12, 9 AM0.002
Mon 12, 8 AM0.002
Mon 12, 7 AM0.002
Mon 12, 6 AM0.002
Mon 12, 5 AM0.002
Mon 12, 4 AM0.002
Mon 12, 3 AM0.002
Mon 12, 2 AM0.002
Mon 12, 1 AM0.002
Mon 12, 12 AM0.002
Sun 11, 11 PM0.002
Sun 11, 10 PM0.002
Sun 11, 9 PM0.002
Sun 11, 8 PM0.002
Sun 11, 7 PM0.002
Sun 11, 6 PM0.002
Sun 11, 5 PM0.002
Sun 11, 4 PM0.002
Sun 11, 3 PM0.002
Sun 11, 2 PM0.002
Sun 11, 1 PM0.002
Sun 11, 12 PM0.002
Sun 11, 11 AM0.002
Sun 11, 10 AM0.002
Sun 11, 9 AM0.002
Sun 11, 8 AM0.002
Sun 11, 7 AM0.002
Sun 11, 6 AM0.002
Sun 11, 5 AM0.002
Sun 11, 4 AM0.002
Sun 11, 3 AM0.002
Sun 11, 2 AM0.002
Sun 11, 1 AM0.002
Sun 11, 12 AM0.002
Sat 10, 11 PM0.002
Sat 10, 10 PM0.002
Sat 10, 9 PM0.002
Sat 10, 8 PM0.002
Sat 10, 7 PM0.002
Sat 10, 6 PM0.002
Sat 10, 5 PM0.002
Sat 10, 4 PM0.002
Sat 10, 3 PM0.002
Sat 10, 2 PM0.002
Sat 10, 1 PM0.002
Sat 10, 12 PM0.002
Sat 10, 11 AM0.002
Sat 10, 10 AM0.002
Sat 10, 9 AM0.002
Sat 10, 8 AM0.002
Sat 10, 7 AM0.002
Sat 10, 6 AM0.002
Sat 10, 5 AM0.002
Sat 10, 4 AM0.002
Sat 10, 3 AM0.002
Sat 10, 2 AM0.002
Sat 10, 1 AM0.002
Sat 10, 12 AM0.002
Fri 9, 11 PM0.002
Fri 9, 10 PM0.002
Fri 9, 9 PM0.002
Fri 9, 8 PM0.002
Fri 9, 7 PM0.002
Fri 9, 6 PM0.002
Fri 9, 5 PM0.002
Fri 9, 4 PM0.002
Fri 9, 3 PM0.002
Fri 9, 2 PM0.002
Fri 9, 1 PM0.002
Fri 9, 12 PM0.002
Fri 9, 11 AM0.002
Fri 9, 10 AM0.002
Fri 9, 9 AM0.002
Fri 9, 8 AM0.002
Fri 9, 7 AM0.002
Fri 9, 6 AM0.002
Fri 9, 5 AM0.002
Precipitation at Mississippi River AT Chester, precipitation from 0.00 to 0.90, the latest 0.00, in inches.PRECIPITATIONin0.000.250.500.751.00Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 160.00
Oct 150.11
Oct 140.90
Oct 130.00
Oct 120.00
Oct 110.00
Oct 100.00
Oct 90.00
Oct 80.00
Oct 70.00
Oct 60.00
Oct 50.00
Oct 40.00
Oct 30.00
Oct 20.13
Oct 10.00
Sep 300.00
Sep 290.00
Sep 280.00
Sep 270.00
Sep 260.00
Sep 250.00
Sep 240.00
Sep 230.00
Sep 220.00
Sep 210.00
Sep 200.00
Sep 190.00
Sep 180.00
Sep 170.00

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 River AT Chester

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