St John River at Dickey

Ranking Statistics

247 score96.6of 100

Maine median

94.7the median score of 422 stations

Scoring higher

162stations in Maine

Sharing its score

5ranks 163 to 167

Points deducted

3.42.2 arrival, 0.9 forecast check, 0.2 reports received, 0.1 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Maine median 99.4, 100.0, 91.1

Next above

PEAM1rank 161; ahead on 247 score 96.7 against 96.6

Next below

GLFM1rank 166; behind on reports due 672 against 336, the longer record first

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 3599.434.8 of 35 pointsMaine median 97.6668 of 672 scheduled reports received in 7 days
2. Arrivalweight 1078.07.8 of 10 pointsMaine median 98.8half its reports arrived within 21 min
3. Continuityweight 10100.010.0 of 10 pointsMaine median 100.0longest silence 45 min, on a schedule of one report every 15 min
4. Accuracyweight 20-19.9 of 20 points, at the medianMaine median 99.4-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMaine median 100.0-
6. Forecast checkweight 10-9.1 of 10 points, at the medianMaine median 91.1-

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