Big Sioux River 1 NW Akron

Ranking Statistics

247 score93.6of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

665stations in Iowa

Sharing its score

1no other station

Points deducted

6.43.4 arrival, 1.6 forecast check, 1.4 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Iowa median 100.0, 100.0, 83.8

Next above

HTCI4rank 665; ahead on 247 score 93.7 against 93.6

Next below

FLCI4rank 667; behind on 247 score 93.6 against 93.5

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 3596.033.6 of 35 pointsIowa median 99.0215 of 224 scheduled reports received in 7 days
2. Arrivalweight 1066.06.6 of 10 pointsIowa median 82.9half its reports arrived within 27 min
3. Continuityweight 10100.010.0 of 10 pointsIowa median 100.0longest silence 63 min, on a schedule of one report every 45 min
4. Accuracyweight 20-20.0 of 20 points, at the medianIowa median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianIowa median 100.0-
6. Forecast checkweight 10-8.4 of 10 points, at the medianIowa median 83.8-

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