Ballard

Ranking Statistics

247 score62.9of 100

West Virginia median

92.4the median score of 711 stations

Scoring higher

538stations in West Virginia

Sharing its score

3ranks 539 to 541

Points deducted

37.127.4 reports received, 6.9 continuity, 1.3 arrival, 0.9 accuracy, 0.6 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; West Virginia median 95.6, 100.0, 93.9

Next above

FOUW2rank 538; ahead on 247 score 63.0 against 62.9

Next below

FW9428rank 540; behind on reports received 21.7% against 20.5%

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 3521.77.6 of 35 pointsWest Virginia median 89.973 of 336 scheduled reports received in 7 days
2. Arrivalweight 1086.88.7 of 10 pointsWest Virginia median 87.5half its reports arrived within 17 min
3. Continuityweight 1031.03.1 of 10 pointsWest Virginia median 100.0longest silence 13.4 h, on a schedule of one report every 30 min
4. Accuracyweight 20-19.1 of 20 points, at the medianWest Virginia median 95.6-
5. Instrument checksweight 15-15.0 of 15 points, at the medianWest Virginia median 100.0-
6. Forecast checkweight 10-9.4 of 10 points, at the medianWest Virginia median 93.9-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.