Copper Slough at Champaign

Ranking Statistics

247 score95.2of 100

Illinois median

95.9the median score of 1,393 stations

Scoring higher

753stations in Illinois

Sharing its score

3ranks 754 to 756

Points deducted

4.84.3 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

RVFI2rank 752; ahead on 247 score 95.3 against 95.2

Next below

CMTI2rank 756; behind on reports received 100% against 98.8%

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 99.1168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1057.15.7 of 10 pointsIllinois median 96.3half its reports arrived within 31 min
3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 76 min, 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.