Belle Fourche River 4 NW Elm Springs

Ranking Statistics

247 score89.2of 100

South Dakota median

93.1the median score of 806 stations

Scoring higher

515stations in South Dakota

Sharing its score

2ranks 516 to 517

Points deducted

10.84.2 arrival, 3.9 reports received, 2.7 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; South Dakota median 100.0, 100.0, 72.6

Next above

WASS2rank 515; ahead on 247 score 89.3 against 89.2

Next below

EDGS2rank 517; behind on median arrival 30 min 51 s against 30 min 52 s

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 3588.831.1 of 35 pointsSouth Dakota median 98.2199 of 224 scheduled reports received in 7 days
2. Arrivalweight 1058.35.8 of 10 pointsSouth Dakota median 86.0half its reports arrived within 31 min
3. Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 65 min, on a schedule of one report every 45 min
4. Accuracyweight 20-20.0 of 20 points, at the medianSouth Dakota median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianSouth Dakota median 100.0-
6. Forecast checkweight 10-7.3 of 10 points, at the medianSouth Dakota median 72.6-

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