Hallowell - Kennebec River

Ranking Statistics

247 score97.5of 100

Maine median

94.7the median score of 422 stations

Scoring higher

108stations in Maine

Sharing its score

8ranks 109 to 116

Points deducted

2.51.2 arrival, 0.9 forecast check, 0.3 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

MXKM1rank 111; ahead on reports received 100% against 99.1%

Next below

BARM1rank 113; behind on reports received 99.1% against 98.8%

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 3599.134.7 of 35 pointsMaine median 97.6666 of 672 scheduled reports received in 7 days
2. Arrivalweight 1088.08.8 of 10 pointsMaine median 98.8half its reports arrived within 16 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.