Upper Iowa River 3 NW Decorah 3NW

Ranking Statistics

247 score88.7of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

768stations in Iowa

Sharing its score

1no other station

Points deducted

11.33.6 reports received, 3.4 arrival, 2.7 continuity, 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

ANPI4rank 768; ahead on 247 score 89.0 against 88.7

Next below

BLFI4rank 770; behind on 247 score 88.7 against 88.4

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 3589.631.4 of 35 pointsIowa median 99.0602 of 672 scheduled reports received in 7 days
2. Arrivalweight 1066.56.7 of 10 pointsIowa median 82.9half its reports arrived within 27 min
3. Continuityweight 1073.37.3 of 10 pointsIowa median 100.0longest silence 1.8 h, on a schedule of one report every 15 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.