Sperryville - NF Thorton River

Ranking Statistics

247 score96.0of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

757stations in Virginia

Sharing its score

12ranks 758 to 769

Points deducted

4.01.8 continuity, 1.2 arrival, 0.7 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

MLWV2rank 763; ahead on reports received 98.8% against 98.0%

Next below

COOV2rank 765; behind on reports received 98.0% against 97.6%

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 3598.134.3 of 35 pointsVirginia median 97.9659 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 1082.38.2 of 10 pointsVirginia median 100.0longest silence 79 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.