Castle Shannon 3Rivers

Ranking Statistics

247 score56.9of 100

Pennsylvania median

94.3the median score of 1,383 stations

Scoring higher

1,345stations in Pennsylvania

Sharing its score

1no other station

Points deducted

43.131.7 reports received, 9.7 continuity, 1.1 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

EW4814rank 1,345; ahead on 247 score 57.4 against 56.9

Next below

USCP1rank 1,347; behind on 247 score 56.9 against 56.8

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 359.53.3 of 35 pointsPennsylvania median 95.887 of 916 scheduled reports received in 7 days
2. Arrivalweight 1089.48.9 of 10 pointsPennsylvania median 94.8half its reports arrived within 15 min
3. Continuityweight 103.00.3 of 10 pointsPennsylvania median 100.0longest silence 12 h, on a schedule of one report every 11 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.