Ipswich River 1 S Ipswich

Ranking Statistics

247 score97.8of 100

Massachusetts median

92.1the median score of 744 stations

Scoring higher

156stations in Massachusetts

Sharing its score

2ranks 157 to 158

Points deducted

2.21.4 forecast check, 0.5 arrival, 0.2 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

MLBM3rank 156; ahead on 247 score 98.0 against 97.8

Next below

SVNM3rank 158; behind on median arrival 12 min 36 s against 12 min 58 s

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 pointsMassachusetts median 85.7167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1094.89.5 of 10 pointsMassachusetts median 100.0half its reports arrived within 13 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.