Choptank River AT Cambridge

Ranking Statistics

247 score95.0of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

275stations in Maryland

Sharing its score

7ranks 276 to 282

Points deducted

5.02.6 reports received, 1.4 arrival, 0.8 forecast check, 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

APAM2rank 277; ahead on reports received 92.6% against 92.5%

Next below

CPPM2rank 283; behind on 247 score 95.0 against 94.9

Sharing its rank

4other 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 3592.532.4 of 35 pointsMaryland median 82.1777 of 840 scheduled reports received in 7 days
2. Arrivalweight 1086.08.6 of 10 pointsMaryland median 94.0half its reports arrived within 17 min
3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 36 min, on a schedule of one report every 12 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.