Elgin

Ranking Statistics

247 score98.8of 100

Illinois median

95.9the median score of 1,393 stations

Scoring higher

398stations in Illinois

Sharing its score

3ranks 399 to 401

Points deducted

1.20.7 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

DECrank 399; ahead on reports due 168 against 7, the longer record first

Next below

06Crank 401; behind on reports received 100% against 99.8%

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 99.17 of 7 scheduled reports received in 7 days
2. Arrivalweight 1092.99.3 of 10 pointsIllinois median 96.3half its reports arrived within 3.9 h
3. Continuityweight 10100.010.0 of 10 pointsIllinois median 100.0longest silence 24 h, on a schedule of one report every 24 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.