Piney Run

Ranking Statistics

247 score64.5of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

682stations in Maryland

Sharing its score

1no other station

Points deducted

35.528.5 reports received, 5.5 continuity, 0.8 forecast check, 0.5 arrival, 0.2 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1

Next above

MD085rank 682; ahead on 247 score 64.8 against 64.5

Next below

MD028rank 684; behind on 247 score 64.5 against 64.4

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 3518.56.5 of 35 pointsMaryland median 82.193 of 504 scheduled reports received in 7 days
2. Arrivalweight 1094.89.5 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
3. Continuityweight 1045.44.5 of 10 pointsMaryland median 100.0longest silence 5.7 h, on a schedule of one report every 20 min
4. Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
6. Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-

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