Roanoke - Hortons Branch

Ranking Statistics

247 score89.1of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

1,118stations in Virginia

Sharing its score

10ranks 1,119 to 1,128

Points deducted

10.97.2 reports received, 2.5 arrival, 0.9 continuity, 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

VA-MN-38rank 1,120; ahead on reports received 85.7% against 79.4%

Next below

385655077112201rank 1,122; behind on reports received 79.4% against 74.4%

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 3579.527.8 of 35 pointsVirginia median 97.9267 of 336 scheduled reports received in 7 days
2. Arrivalweight 1075.27.5 of 10 pointsVirginia median 92.7half its reports arrived within 22 min
3. Continuityweight 1090.99.1 of 10 pointsVirginia median 100.0longest silence 2 h, on a schedule of one report every 30 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.