Warwick River at Shellabarger Dr

Ranking Statistics

247 score97.2of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

596stations in Virginia

Sharing its score

22ranks 597 to 618

Points deducted

2.81.0 reports received, 1.0 arrival, 0.5 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

WNRV2rank 608; ahead on reports received 97.2% against 97.1%

Next below

LITV2rank 610; behind on reports received 97.1% against 96.2%

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 3597.134.0 of 35 pointsVirginia median 97.9816 of 840 scheduled reports received in 7 days
2. Arrivalweight 1090.29.0 of 10 pointsVirginia median 92.7half its reports arrived within 15 min
3. Continuityweight 1095.19.5 of 10 pointsVirginia median 100.0longest silence 42 min, on a schedule of one report every 12 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.