Squannacook River at West Groton

Ranking Statistics

247 score95.4of 100

Massachusetts median

92.1the median score of 744 stations

Scoring higher

256stations in Massachusetts

Sharing its score

15ranks 257 to 271

Points deducted

4.62.5 arrival, 1.4 forecast check, 0.6 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Massachusetts median 100.0, 100.0, 85.6

Next above

HNTM3rank 258; ahead on median arrival 22 min 33 s against 22 min 36 s

Next below

INDM3rank 267; behind on longest silence 120 min against 121 min

Sharing its rank

7other 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 3598.234.4 of 35 pointsMassachusetts median 85.7165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1074.87.5 of 10 pointsMassachusetts median 100.0half its reports arrived within 23 min
3. Continuityweight 10100.010.0 of 10 pointsMassachusetts median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianMassachusetts median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMassachusetts median 100.0-
6. Forecast checkweight 10-8.6 of 10 points, at the medianMassachusetts median 85.6-

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