Williamstown

Ranking Statistics

247 score94.6of 100

Massachusetts median

92.1the median score of 744 stations

Scoring higher

281stations in Massachusetts

Sharing its score

15ranks 282 to 296

Points deducted

5.43.5 arrival, 1.4 forecast check, 0.4 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

SDMM3rank 282; ahead on median arrival 27 min 33 s against 27 min 34 s

Next below

KNGM3rank 292; behind on median arrival 27 min 34 s against 27 min 35 s

Sharing its rank

1other 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 3598.834.6 of 35 pointsMassachusetts median 85.7166 of 168 scheduled reports received in 7 days
2. Arrivalweight 1064.96.5 of 10 pointsMassachusetts median 100.0half its reports arrived within 28 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.