Allegheny River at Parker

Ranking Statistics

247 score90.9of 100

Pennsylvania median

94.3the median score of 1,383 stations

Scoring higher

771stations in Pennsylvania

Sharing its score

9ranks 772 to 780

Points deducted

9.15.8 reports received, 2.6 arrival, 0.7 forecast check

Counted at the median

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

Next above

MDRP1rank 770; ahead on 247 score 91.0 against 90.9

Next below

CNUP1rank 781; behind on 247 score 90.9 against 90.6

Sharing its rank

8other 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 3583.529.2 of 35 pointsPennsylvania median 95.8187 of 224 scheduled reports received in 7 days
2. Arrivalweight 1074.27.4 of 10 pointsPennsylvania median 94.8half its reports arrived within 23 min
3. Continuityweight 10100.010.0 of 10 pointsPennsylvania median 100.0longest silence 2 h, on a schedule of one report every 45 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.