Mottville Dam

Ranking Statistics

247 score99.2of 100

Michigan median

95.5the median score of 979 stations

Scoring higher

20stations in Michigan

Sharing its score

177ranks 21 to 197

Points deducted

0.80.8 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Michigan median 100.0, 100.0, 92.3

Next above

JXNrank 22; ahead on reports due 168 against 28, the longer record first

Next below

SSMM4rank 27; behind on reports due 28 against 7, the longer record first

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 35100.035.0 of 35 pointsMichigan median 98.228 of 28 scheduled reports received in 7 days
2. Arrivalweight 10100.010.0 of 10 pointsMichigan median 96.9half its reports arrived within 13 min
3. Continuityweight 10100.010.0 of 10 pointsMichigan median 100.0longest silence 6.1 h, on a schedule of one report every 6 h
4. Accuracyweight 20-20.0 of 20 points, at the medianMichigan median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMichigan median 100.0-
6. Forecast checkweight 10-9.2 of 10 points, at the medianMichigan median 92.3-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.