Christina River AT Coochs Bridge

Ranking Statistics

247 score98.1of 100

Delaware median

94.6the median score of 127 stations

Scoring higher

35stations in Delaware

Sharing its score

3ranks 36 to 38

Points deducted

1.91.1 arrival, 0.6 reports received, 0.1 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Delaware median 100.0, 100.0, 98.6

Next above

NEKD1rank 36; ahead on median arrival 15 min 35 s against 15 min 36 s

Next below

DRSD1rank 39; behind on 247 score 98.1 against 97.5

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 3598.234.4 of 35 pointsDelaware median 92.7165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1088.88.9 of 10 pointsDelaware median 99.9half its reports arrived within 16 min
3. Continuityweight 10100.010.0 of 10 pointsDelaware median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianDelaware median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianDelaware median 100.0-
6. Forecast checkweight 10-9.9 of 10 points, at the medianDelaware median 98.6-

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