Blackey

Ranking Statistics

247 score96.6of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

677stations in Virginia

Sharing its score

9ranks 678 to 686

Points deducted

3.42.7 arrival, 0.4 forecast check, 0.3 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Virginia median 100.0, 100.0, 96.5

Next above

DMLV2rank 678; ahead on median arrival 23 min 34 s against 23 min 36 s

Next below

SRPV2rank 680; behind on median arrival 23 min 36 s against 23 min 43 s

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 3599.134.7 of 35 pointsVirginia median 97.9666 of 672 scheduled reports received in 7 days
2. Arrivalweight 1072.87.3 of 10 pointsVirginia median 92.7half its reports arrived within 24 min
3. Continuityweight 10100.010.0 of 10 pointsVirginia median 100.0longest silence 36 min, on a schedule of one report every 15 min
4. Accuracyweight 20-20.0 of 20 points, at the medianVirginia median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianVirginia median 100.0-
6. Forecast checkweight 10-9.7 of 10 points, at the medianVirginia median 96.5-

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