North Bristol

Ranking Statistics

247 score98.9of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

242stations in Virginia

Sharing its score

37ranks 243 to 279

Points deducted

1.10.7 arrival, 0.4 forecast check

Counted at the median

Arrival, accuracy, instrument checks, forecast checknot measured at this station; Virginia median 92.7, 100.0, 100.0, 96.5

Next above

WCCV2rank 244; ahead on median arrival 13 min 54 s against 0 s

Next below

BDFV2rank 273; behind on reports due 168 against 7, the longer record first

Sharing its rank

12other 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 35100.035.0 of 35 pointsVirginia median 97.9168 of 168 scheduled reports received in 7 days
2. Arrivalweight 10-9.3 of 10 points, at the medianVirginia median 92.7-
3. Continuityweight 10100.010.0 of 10 pointsVirginia median 100.0longest silence 61 min, 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.