Appomattox River at Farmville

Ranking Statistics

247 score92.4of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

986stations in Virginia

Sharing its score

6ranks 987 to 992

Points deducted

7.63.4 reports received, 3.1 continuity, 0.7 arrival, 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

CPKrank 990; ahead on reports received 90.2% against 90.1%

Next below

SHDrank 992; behind on reports received 90.1% against 89.0%

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 3590.231.6 of 35 pointsVirginia median 97.9606 of 672 scheduled reports received in 7 days
2. Arrivalweight 1092.69.3 of 10 pointsVirginia median 92.7half its reports arrived within 14 min
3. Continuityweight 1069.16.9 of 10 pointsVirginia median 100.0longest silence 2 h, 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.