Mason

Ranking Statistics

247 score77.2of 100

Illinois median

95.9the median score of 1,393 stations

Scoring higher

1,288stations in Illinois

Sharing its score

2ranks 1,289 to 1,290

Points deducted

22.811.7 reports received, 8.5 arrival, 2.2 continuity, 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

BEEI2rank 1,288; ahead on 247 score 77.3 against 77.2

Next below

IL-MCH-94rank 1,290; behind on reports received 66.6% against 42.8%

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 3566.723.3 of 35 pointsIllinois median 99.1112 of 168 scheduled reports received in 7 days
2. Arrivalweight 1015.41.5 of 10 pointsIllinois median 96.3half its reports arrived within 52 min
3. Continuityweight 1078.27.8 of 10 pointsIllinois median 100.0longest silence 6 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.