Burr Oak Creek 4 N Perkins

Ranking Statistics

247 score92.8of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

719stations in Iowa

Sharing its score

4ranks 720 to 723

Points deducted

7.24.3 arrival, 1.6 forecast check, 1.3 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

SHAI4rank 720; ahead on reports received 99.4% against 96.4%

Next below

AESI4rank 723; behind on reports received 96.4% against 93.7%

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 3596.433.7 of 35 pointsIowa median 99.0162 of 168 scheduled reports received in 7 days
2. Arrivalweight 1057.15.7 of 10 pointsIowa median 82.9half its reports arrived within 31 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.