North Walnut Creek 2 WNW Urbandale 92nd Dr

Ranking Statistics

247 score72.7of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

1,032stations in Iowa

Sharing its score

1no other station

Points deducted

27.320.1 reports received, 4.0 continuity, 1.6 forecast check, 1.5 arrival

Counted at the median

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

Next above

RTOI4rank 1,032; ahead on 247 score 72.8 against 72.7

Next below

CIDrank 1,034; behind on 247 score 72.7 against 72.6

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 3542.514.9 of 35 pointsIowa median 99.093 of 219 scheduled reports received in 7 days
2. Arrivalweight 1085.18.5 of 10 pointsIowa median 82.9half its reports arrived within 17 min
3. Continuityweight 1059.76.0 of 10 pointsIowa median 100.0longest silence 8.3 h, on a schedule of one report every 46 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.