Allegheny River AT Port Allegany

Ranking Statistics

247 score97.1of 100

Pennsylvania median

94.3the median score of 1,383 stations

Scoring higher

409stations in Pennsylvania

Sharing its score

12ranks 410 to 421

Points deducted

2.91.5 arrival, 0.7 forecast check, 0.6 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Pennsylvania median 100.0, 100.0, 92.9

Next above

SHNP1rank 418; ahead on median arrival 17 min 39 s against 17 min 40 s

Next below

01447720rank 420; behind on median arrival 17 min 40 s against 17 min 49 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 3598.234.4 of 35 pointsPennsylvania median 95.8165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1084.78.5 of 10 pointsPennsylvania median 94.8half its reports arrived within 18 min
3. Continuityweight 10100.010.0 of 10 pointsPennsylvania 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 medianPennsylvania median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianPennsylvania median 100.0-
6. Forecast checkweight 10-9.3 of 10 points, at the medianPennsylvania median 92.9-

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