Nw Branch Anacostia River 1 W Hyattsville

Ranking Statistics

247 score80.6of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

535stations in Maryland

Sharing its score

5ranks 536 to 540

Points deducted

19.416.3 reports received, 1.2 arrival, 0.9 continuity, 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

EW8552rank 537; ahead on reports received 54.7% against 53.2%

Next below

BVLM2rank 539; behind on reports received 53.2% against 51.7%

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 3553.318.7 of 35 pointsMaryland median 82.1358 of 672 scheduled reports received in 7 days
2. Arrivalweight 1088.08.8 of 10 pointsMaryland median 94.0half its reports arrived within 16 min
3. Continuityweight 1090.99.1 of 10 pointsMaryland median 100.0longest silence 60 min, on a schedule of one report every 15 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.