Nippersink Creek at Spring Grove

Ranking Statistics

247 score96.6of 100

Illinois median

95.9the median score of 1,393 stations

Scoring higher

644stations in Illinois

Sharing its score

3ranks 645 to 647

Points deducted

3.41.5 reports received, 1.4 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

NBOI2rank 645; ahead on reports received 99.4% against 95.8%

Next below

421747088270701rank 647; behind on reports received 95.8% against 93.4%

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 3595.833.5 of 35 pointsIllinois median 99.1161 of 168 scheduled reports received in 7 days
2. Arrivalweight 1086.18.6 of 10 pointsIllinois median 96.3half its reports arrived within 17 min
3. Continuityweight 1099.710.0 of 10 pointsIllinois median 100.0longest silence 3 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.