Big Creek Lake 2 NNW Polk City

Ranking Statistics

247 score95.9of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

331stations in Iowa

Sharing its score

18ranks 332 to 349

Points deducted

4.12.3 arrival, 1.6 forecast check, 0.2 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

RBMI4rank 332; ahead on reports due 504 against 168, the longer record first

Next below

SUXrank 350; behind on 247 score 95.9 against 95.8

Sharing its rank

16other 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 pointsIowa median 99.0167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1076.87.7 of 10 pointsIowa median 82.9half its reports arrived within 22 min
3. Continuityweight 10100.010.0 of 10 pointsIowa 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 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.