Ducktrap River at Lincolnville

Ranking Statistics

247 score97.2of 100

Maine median

94.7the median score of 422 stations

Scoring higher

125stations in Maine

Sharing its score

13ranks 126 to 138

Points deducted

2.81.6 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

LWYM1rank 128; ahead on median arrival 17 min 36 s against 17 min 52 s

Next below

CNHM1rank 137; behind on reports received 99.4% against 98.8%

Sharing its rank

5other 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 97.6167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1084.38.4 of 10 pointsMaine median 98.8half its reports arrived within 18 min
3. Continuityweight 10100.010.0 of 10 pointsMaine median 100.0longest silence 2 h, on a schedule of one report every 60 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.