Fort Gratiot MI - 9014098

Ranking Statistics

247 score94.4of 100

Michigan median

95.5the median score of 979 stations

Scoring higher

533stations in Michigan

Sharing its score

3ranks 534 to 536

Points deducted

5.62.6 reports received, 1.8 arrival, 0.8 forecast check, 0.5 continuity

Counted at the median

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

Next above

TWCM4rank 531; ahead on 247 score 94.5 against 94.4

Next below

MBRM4rank 537; behind on 247 score 94.4 against 94.3

Sharing its rank

2other 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 3592.732.4 of 35 pointsMichigan median 98.2779 of 840 scheduled reports received in 7 days
2. Arrivalweight 1082.08.2 of 10 pointsMichigan median 96.9half its reports arrived within 19 min
3. Continuityweight 1095.19.5 of 10 pointsMichigan median 100.0longest silence 42 min, on a schedule of one report every 12 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.