Shabbona 5 NNE

Ranking Statistics

247 score92.2of 100

Illinois median

95.9the median score of 1,393 stations

Scoring higher

914stations in Illinois

Sharing its score

7ranks 915 to 921

Points deducted

7.87.3 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

WDSI2rank 916; ahead on reports due 168 against 84, the longer record first

Next below

54808rank 919; behind on median arrival 90 min 51 s against 90 min 52 s

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 99.184 of 84 scheduled reports received in 7 days
2. Arrivalweight 1027.02.7 of 10 pointsIllinois median 96.3half its reports arrived within 1.5 h
3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 3 h, on a schedule of one report every 2 h
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.