Sandy River near Danville

Ranking Statistics

247 score97.6of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

550stations in Virginia

Sharing its score

19ranks 551 to 569

Points deducted

2.41.6 arrival, 0.4 reports received, 0.4 forecast check

Counted at the median

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

Next above

371459079560300rank 558; ahead on reports due 504 against 168, the longer record first

Next below

HRAV2rank 560; behind on median arrival 18 min 13 s against 18 min 20 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 3598.834.6 of 35 pointsVirginia median 97.9166 of 168 scheduled reports received in 7 days
2. Arrivalweight 1083.68.4 of 10 pointsVirginia median 92.7half its reports arrived within 18 min
3. Continuityweight 10100.010.0 of 10 pointsVirginia median 100.0longest silence 2 h, on a schedule of one report every 60 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.