East Nishnabotna River at Red Oak

Ranking Statistics

247 score92.0of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

736stations in Iowa

Sharing its score

2ranks 737 to 738

Points deducted

8.03.4 arrival, 3.0 reports received, 1.6 forecast check

Counted at the median

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

Next above

STBI4rank 736; ahead on 247 score 92.3 against 92.0

Next below

MELI4rank 738; behind on reports received 91.5% against 91.2%

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 3591.532.0 of 35 pointsIowa median 99.0205 of 224 scheduled reports received in 7 days
2. Arrivalweight 1066.16.6 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.