Big Sioux River at Sioux Falls Maple Street

Ranking Statistics

247 score96.9of 100

South Dakota median

93.1the median score of 806 stations

Scoring higher

118stations in South Dakota

Sharing its score

3ranks 119 to 121

Points deducted

3.12.7 forecast check, 0.2 reports received, 0.2 arrival

Counted at the median

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

Next above

MRLS2rank 119; ahead on reports received 100% against 99.4%

Next below

8D3rank 122; behind on 247 score 96.9 against 96.8

Sharing its rank

1other 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 3599.434.8 of 35 pointsSouth Dakota median 98.2167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1098.29.8 of 10 pointsSouth Dakota median 86.0half its reports arrived within 11 min
3. Continuityweight 10100.010.0 of 10 pointsSouth Dakota median 100.0longest silence 2 h, 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.