East Branch Brandywine Creek at Downingtown

Ranking Statistics

247 score95.4of 100

Pennsylvania median

94.3the median score of 1,383 stations

Scoring higher

639stations in Pennsylvania

Sharing its score

9ranks 640 to 648

Points deducted

4.63.5 arrival, 0.7 forecast check, 0.4 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

01574700rank 640; ahead on reports received 100% against 98.8%

Next below

HERP1rank 642; behind on reports due 672 against 168, the longer record first

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 3598.834.6 of 35 pointsPennsylvania median 95.8664 of 672 scheduled reports received in 7 days
2. Arrivalweight 1065.06.5 of 10 pointsPennsylvania median 94.8half its reports arrived within 28 min
3. Continuityweight 10100.010.0 of 10 pointsPennsylvania median 100.0longest silence 45 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.