Huron River AT Ann Arbor

Ranking Statistics

247 score96.8of 100

Michigan median

95.4the median score of 1,000 stations

Scoring higher

387stations in Michigan

Sharing its score

12ranks 388 to 399

Points deducted

3.21.4 arrival, 1.0 reports received, 0.8 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Michigan median 100.0, 100.0, 91.6

Next above

WMSM4rank 398; ahead on reports received 97.6% against 97.1%

Next below

CRDM4rank 400; behind on 247 score 96.8 against 96.6

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 3597.234.0 of 35 pointsMichigan median 98.8653 of 672 scheduled reports received in 7 days
2. Arrivalweight 1085.78.6 of 10 pointsMichigan median 98.0half its reports arrived within 17 min
3. Continuityweight 10100.010.0 of 10 pointsMichigan median 100.0longest silence 45 min, on a schedule of one report every 15 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 91.6-

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