Hemlock Falls Dam

Ranking Statistics

247 score98.6of 100

Michigan median

95.5the median score of 979 stations

Scoring higher

252stations in Michigan

Sharing its score

9ranks 253 to 261

Points deducted

1.40.8 forecast check, 0.6 arrival

Counted at the median

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

Next above

PLGM4rank 253; ahead on median arrival 12 min 58 s against 13 min 2 s

Next below

DRMrank 259; behind on reports received 100% against 99.8%

Sharing its rank

4other 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 98.2168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1093.99.4 of 10 pointsMichigan median 96.9half its reports arrived within 13 min
3. Continuityweight 10100.010.0 of 10 pointsMichigan median 100.0longest silence 70 min, on a schedule of one report every 60 min
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.