Patapsco River at Ellicott City

Ranking Statistics

247 score98.4of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

87stations in Maryland

Sharing its score

10ranks 88 to 97

Points deducted

1.60.8 forecast check, 0.6 arrival, 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

LTCM2rank 93; ahead on longest silence 63 min against 65 min

Next below

CGSrank 97; behind on reports received 100% against 99.6%

Sharing its rank

1other 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 35100.035.0 of 35 pointsMaryland median 82.1168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1094.19.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 65 min, on a schedule of one report every 60 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.