Greenbelt

Ranking Statistics

247 score88.9of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

375stations in Maryland

Sharing its score

2ranks 376 to 377

Points deducted

11.19.1 reports received, 0.8 forecast check, 0.6 arrival, 0.5 continuity, 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

CXLM2rank 376; ahead on reports received 98.2% against 74.1%

Next below

MD017rank 378; behind on 247 score 88.9 against 88.5

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 3574.125.9 of 35 pointsMaryland median 82.1747 of 1,008 scheduled reports received in 7 days
2. Arrivalweight 1094.39.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
3. Continuityweight 1095.19.5 of 10 pointsMaryland median 100.0longest silence 35 min, on a schedule of one report every 10 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.