Mississippi River at Lansing

Ranking Statistics

247 score94.4of 100

Iowa median

94.7the median score of 1,060 stations

Scoring higher

618stations in Iowa

Sharing its score

11ranks 619 to 629

Points deducted

5.62.3 arrival, 1.7 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

SPII4rank 625; ahead on reports received 98.0% against 95.2%

Next below

AGAI4rank 630; behind on 247 score 94.4 against 94.3

Sharing its rank

3other 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 3595.233.3 of 35 pointsIowa median 99.0160 of 168 scheduled reports received in 7 days
2. Arrivalweight 1077.17.7 of 10 pointsIowa median 82.9half its reports arrived within 21 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.