Potts Creek near Covington

Ranking Statistics

247 score97.7of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

521stations in Virginia

Sharing its score

29ranks 522 to 550

Points deducted

2.31.8 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

WLMV2rank 525; ahead on longest silence 90 min against 120 min

Next below

BNDV2rank 532; behind on median arrival 18 min 52 s against 18 min 53 s

Sharing its rank

5other 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 3599.434.8 of 35 pointsVirginia median 97.9167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1082.38.2 of 10 pointsVirginia median 92.7half its reports arrived within 19 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.