Crab Creek at at Irby

Ranking Statistics

247 score94.1of 100

Washington median

93.9the median score of 1,451 stations

Scoring higher

705stations in Washington

Sharing its score

16ranks 706 to 721

Points deducted

5.93.4 arrival, 1.0 accuracy, 0.9 forecast check, 0.6 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Washington median 95.0, 100.0, 90.8

Next above

SULW1rank 710; ahead on median arrival 26 min 45 s against 26 min 53 s

Next below

CDCW1rank 722; behind on 247 score 94.1 against 94.0

Sharing its rank

6other 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 pointsWashington median 98.7165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1066.26.6 of 10 pointsWashington median 90.6half its reports arrived within 27 min
3. Continuityweight 10100.010.0 of 10 pointsWashington median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-19.0 of 20 points, at the medianWashington median 95.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianWashington median 100.0-
6. Forecast checkweight 10-9.1 of 10 points, at the medianWashington median 90.8-

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