Riggs Rd./Sligo Creek

Ranking Statistics

247 score88.0of 100

Maryland median

89.5the median score of 742 stations

Scoring higher

401stations in Maryland

Sharing its score

2ranks 402 to 403

Points deducted

12.010.9 reports received, 0.6 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

MD099rank 402; ahead on reports received 83.3% against 68.8%

Next below

MD-SM-3rank 404; behind on 247 score 88.0 against 87.5

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 3568.824.1 of 35 pointsMaryland median 84.4347 of 504 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 10100.010.0 of 10 pointsMaryland median 100.0longest silence 41 min, on a schedule of one report every 20 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.