Seneca Rocks - NF SB Potomac River

Ranking Statistics

247 score97.9of 100

West Virginia median

92.4the median score of 711 stations

Scoring higher

86stations in West Virginia

Sharing its score

6ranks 87 to 92

Points deducted

2.10.9 accuracy, 0.6 forecast check, 0.4 arrival, 0.2 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; West Virginia median 95.6, 100.0, 93.9

Next above

NATW2rank 91; ahead on median arrival 11 min 54 s against 11 min 55 s

Next below

03054500rank 93; behind on 247 score 97.9 against 97.7

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 pointsWest Virginia median 89.9167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1096.29.6 of 10 pointsWest Virginia median 87.5half its reports arrived within 12 min
3. Continuityweight 10100.010.0 of 10 pointsWest Virginia median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-19.1 of 20 points, at the medianWest Virginia median 95.6-
5. Instrument checksweight 15-15.0 of 15 points, at the medianWest Virginia median 100.0-
6. Forecast checkweight 10-9.4 of 10 points, at the medianWest Virginia median 93.9-

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