Gunpowder Falls at Parkton

Ranking Statistics

247 score97.6of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

121stations in Maryland

Sharing its score

8ranks 122 to 129

Points deducted

2.40.8 reports received, 0.8 forecast check, 0.6 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

PRNM2rank 124; ahead on reports received 97.6% against 97.6%

Next below

HDGM2rank 126; behind on median arrival 12 min 58 s against 12 min 59 s

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 3597.634.2 of 35 pointsMaryland median 82.1164 of 168 scheduled reports received in 7 days
2. Arrivalweight 1094.19.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 2 h, on a schedule of one report every 60 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.