Gann Valley

Ranking Statistics

247 score94.1of 100

South Dakota median

93.1the median score of 806 stations

Scoring higher

320stations in South Dakota

Sharing its score

29ranks 321 to 349

Points deducted

5.93.1 arrival, 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

RCBS2rank 326; ahead on median arrival 25 min 38 s against 25 min 39 s

Next below

BFGS2rank 331; behind on median arrival 25 min 39 s against 25 min 51 s

Sharing its rank

3other 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 pointsSouth Dakota median 98.2168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1068.76.9 of 10 pointsSouth Dakota median 86.0half its reports arrived within 26 min
3. Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 80 min, on a schedule of one report every 60 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.