Neponset River AT Norwood

Ranking Statistics

247 score87.5of 100

Massachusetts median

92.1the median score of 744 stations

Scoring higher

440stations in Massachusetts

Sharing its score

3ranks 441 to 443

Points deducted

12.54.5 arrival, 4.1 continuity, 2.5 reports received, 1.4 forecast check

Counted at the median

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

Next above

MA-FR-22rank 440; ahead on 247 score 87.6 against 87.5

Next below

MA004rank 442; behind on reports received 92.8% against 86.7%

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 3592.932.5 of 35 pointsMassachusetts median 85.7156 of 168 scheduled reports received in 7 days
2. Arrivalweight 1054.85.5 of 10 pointsMassachusetts median 100.0half its reports arrived within 33 min
3. Continuityweight 1059.15.9 of 10 pointsMassachusetts median 100.0longest silence 11 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.