Antietam Creek at Sharpsburg

Ranking Statistics

247 score94.9of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

282stations in Maryland

Sharing its score

4ranks 283 to 286

Points deducted

5.13.5 arrival, 0.8 forecast check, 0.6 reports received, 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

CPPM2rank 283; ahead on reports received 98.5% against 98.2%

Next below

BISM2rank 286; behind on reports received 98.2% against 92.2%

Sharing its rank

1other stations, equal on every measure

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 pointsMaryland median 82.1165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1064.86.5 of 10 pointsMaryland median 94.0half its reports arrived within 28 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.