Ponaganset Rvr

Ranking Statistics

247 score95.5of 100

Rhode Island median

94.7the median score of 154 stations

Scoring higher

74stations in Rhode Island

Sharing its score

2ranks 75 to 76

Points deducted

4.54.1 arrival, 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

FDLR1rank 73; ahead on 247 score 95.6 against 95.5

Next below

HARR1rank 77; behind on 247 score 95.5 against 94.8

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 35100.035.0 of 35 pointsRhode Island median 98.2168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1059.45.9 of 10 pointsRhode Island median 100.0half its reports arrived within 30 min
3. Continuityweight 10100.010.0 of 10 pointsRhode Island median 100.0longest silence 60 min, 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.