Monongahela River AT Grays Landing

Ranking Statistics

247 score96.4of 100

Pennsylvania median

94.3the median score of 1,383 stations

Scoring higher

527stations in Pennsylvania

Sharing its score

2ranks 528 to 529

Points deducted

3.61.4 arrival, 0.9 continuity, 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

PNDP1rank 528; ahead on reports received 98.8% against 98.2%

Next below

FCCP1rank 530; behind on 247 score 96.4 against 96.3

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 95.8660 of 672 scheduled reports received in 7 days
2. Arrivalweight 1086.28.6 of 10 pointsPennsylvania median 94.8half its reports arrived within 17 min
3. Continuityweight 1090.99.1 of 10 pointsPennsylvania median 100.0longest silence 60 min, on a schedule of one report every 15 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.