Dan River at Riverwalk Trail in Danville

Ranking Statistics

247 score98.2of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

437stations in Virginia

Sharing its score

34ranks 438 to 471

Points deducted

1.81.2 arrival, 0.4 forecast check, 0.2 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

USPV2rank 450; ahead on median arrival 15 min 54 s against 15 min 55 s

Next below

CSQV2rank 459; behind on median arrival 15 min 55 s against 15 min 56 s

Sharing its rank

4other stations, equal on every measure

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 3599.334.8 of 35 pointsVirginia median 97.9667 of 672 scheduled reports received in 7 days
2. Arrivalweight 1088.28.8 of 10 pointsVirginia median 92.7half its reports arrived within 16 min
3. Continuityweight 10100.010.0 of 10 pointsVirginia median 100.0longest silence 30 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.