Prudence Island - Narragansett Bay

Ranking Statistics

247 score96.6of 100

Rhode Island median

94.7the median score of 154 stations

Scoring higher

60stations in Rhode Island

Sharing its score

1no other station

Points deducted

3.42.1 arrival, 0.8 reports received, 0.3 forecast check, 0.1 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Rhode Island median 99.4, 100.0, 96.8

Next above

PCVR1rank 60; ahead on 247 score 96.8 against 96.6

Next below

HOPR1rank 62; behind on 247 score 96.6 against 96.4

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 3597.634.2 of 35 pointsRhode Island median 98.2164 of 168 scheduled reports received in 7 days
2. Arrivalweight 1078.77.9 of 10 pointsRhode Island median 100.0half its reports arrived within 21 min
3. Continuityweight 10100.010.0 of 10 pointsRhode Island median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-19.9 of 20 points, at the medianRhode Island median 99.4-
5. Instrument checksweight 15-15.0 of 15 points, at the medianRhode Island median 100.0-
6. Forecast checkweight 10-9.7 of 10 points, at the medianRhode Island median 96.8-

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