Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
LCRI2
Latitude
41.88830 N
Longitude
87.60750 W
Elevation
-
Listed
Automatically, on 543 reports in 169 hours over the last seven days
Rank
847of 1,393 in Illinois, Oct 16
Observed
11:39 PMCDT, 40 minutes ago

Ranking Statistics

On the radar over Chicago - Chicago River at LockReflectivityStorm 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

Chicago - Chicago River at Lock Report

Rank 847 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 score94.4of 100

Illinois median
95.9the median score of 1,393 stations
Scoring higher
846stations in Illinois
Sharing its score
5ranks 847 to 851
Points deducted
5.64.0 arrival, 1.1 reports received, 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
IL-TZ-40rank 845; ahead on 247 score 94.5 against 94.4
Next below
IL-CK-429rank 848; behind on reports received 96.9% against 85.7%

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 3597.034.0 of 35 pointsIllinois median 99.1543 of 560 scheduled reports received in 7 days
  2. Arrivalweight 1060.36.0 of 10 pointsIllinois median 96.3half its reports arrived within 30 min
  3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 48 min, on a schedule of one report every 18 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 (54 min), none for 72 (21.6 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
847of 1,393 in Illinois, Oct 16
Schedule
every 18 minon the hour's :09, :27, :39 and :57
Reports received, 24 hours
74 of 8092.5% of its schedule, 85 reports in all
Reports received, 7 days
542 of 56096.7% of its schedule, 648 reports in all
Days reported, 30 days
-
Longest silence, 7 days
48 minfrom Oct 15, 11:39 AM
Latest report
Oct 15, 11:39 PMlocal time
Time to reach Storm Station
30 min9 in 10 within 38 min

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

Its schedule is one report every 18 min, 80 in 24 hours. Two reports in the same 18 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. Chicago - Chicago River at Lock received 96.9 per cent, 543 of 560 scheduled reports, rank 847 of 1,393.WHERE IT RANKS IN ILLINOIS, Oct 16THIS ONE: 96.9%, 543 OF 560, RANK 847 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 Chicago - Chicago River at Lock's rank in Illinois by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 386 of 415; 2026-09-27 rank 385 of 417; 2026-09-28 rank 471 of 517; 2026-09-29 rank 467 of 535; 2026-09-30 rank 471 of 540; 2026-10-01 rank 466 of 542; 2026-10-02 rank 979 of 1,103; 2026-10-03 rank 980 of 1,104; 2026-10-04 rank 959 of 1,162; 2026-10-05 rank 971 of 1,318; 2026-10-06 rank 1,009 of 1,354; 2026-10-07 rank 984 of 1,449; 2026-10-08 rank 967 of 1,399; 2026-10-09 rank 941 of 1,364; 2026-10-10 rank 941 of 1,364; 2026-10-11 rank 822 of 1,359; 2026-10-12 rank 815 of 1,354; 2026-10-13 rank 832 of 1,360; 2026-10-14 rank 839 of 1,356; 2026-10-15 rank 767 of 1,375; 2026-10-16 rank 847 of 1,393.ITS RANK IN ILLINOIS, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Sep 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, 20268471,39396.9%
Oct 15, 20267671,37597.8%
Oct 14, 20268391,35696.2%
Oct 13, 20268321,36095.8%
Oct 12, 20268151,35494.2%
Oct 11, 20268221,35990.3%
Oct 10, 20269411,36487.6%
Oct 9, 20269411,36487.6%
Oct 8, 20269671,39983.5%
Oct 7, 20269841,44983.5%
Oct 6, 20261,0091,35483.2%
Oct 5, 20269711,31884.1%
Oct 4, 20269591,16287.1%
Oct 3, 20269801,10488.6%
Oct 2, 20269791,10388.6%
Oct 1, 202646654288.8%
Sep 30, 202647154090.3%
Sep 29, 202646753592.7%
Sep 28, 202647151792.3%
Sep 27, 202638541791.6%
Sep 26, 202638641585.8%
Reports received at Chicago - Chicago River at Lock, reports from 0.0 to 56.0, the latest 0.0, in reports.REPORTS RECEIVEDreports02040603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Chicago - Chicago River at Lock, reports from 0.0 to 57.0, the latest 0.0, in reports.REPORTS RECEIVEDreports0204060Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16

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

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