Big Sioux River 12 NE Florence

Ranking Statistics

247 score93.2of 100

South Dakota median

93.1the median score of 806 stations

Scoring higher

393stations in South Dakota

Sharing its score

9ranks 394 to 402

Points deducted

6.84.0 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

BBDS2rank 393; ahead on 247 score 93.3 against 93.2

Next below

ROBS2rank 399; behind on median arrival 30 min 12 s against 30 min 19 s

Sharing its rank

4other 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 1059.66.0 of 10 pointsSouth Dakota median 86.0half its reports arrived within 30 min
3. Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 65 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.