Alpha Ridge Landfill

Ranking Statistics

247 score58.8of 100

Maryland median

89.5the median score of 742 stations

Scoring higher

734stations in Maryland

Sharing its score

1no other station

Points deducted

41.230.8 reports received, 9.4 continuity, 0.5 arrival, 0.5 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 100.0, 100.0, 95.1

Next above

GW7571rank 734; ahead on 247 score 59.1 against 58.8

Next below

BTLM2rank 736; behind on 247 score 58.8 against 58.5

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 3512.04.2 of 35 pointsMaryland median 84.4101 of 840 scheduled reports received in 7 days
2. Arrivalweight 1095.19.5 of 10 pointsMaryland median 94.0half its reports arrived within 12 min
3. Continuityweight 105.70.6 of 10 pointsMaryland median 100.0longest silence 12 h, on a schedule of one report every 12 min
4. Accuracyweight 20-20.0 of 20 points, at the medianMaryland median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
6. Forecast checkweight 10-9.5 of 10 points, at the medianMaryland median 95.1-

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