Des Plaines - Dempster St Bridge

Ranking Statistics

247 score97.1of 100

Illinois median

95.9the median score of 1,393 stations

Scoring higher

540stations in Illinois

Sharing its score

41ranks 541 to 581

Points deducted

2.91.3 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

HIPI2rank 577; ahead on reports received 97.3% against 97.0%

Next below

COWI2rank 582; behind on 247 score 97.1 against 97.0

Sharing its rank

3other 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 3597.034.0 of 35 pointsIllinois median 99.1163 of 168 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 2 h, on a schedule of one report every 60 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.