Big Dalton Dam Alert #419

Ranking Statistics

247 score73.2of 100

California median

90.9the median score of 4,461 stations

Scoring higher

3,997stations in California

Sharing its score

3ranks 3,998 to 4,000

Points deducted

26.817.5 reports received, 3.4 accuracy, 3.3 continuity, 1.7 arrival, 0.9 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; California median 83.2, 100.0, 90.8

Next above

EW2082rank 3,997; ahead on 247 score 73.3 against 73.2

Next below

FW4751rank 3,999; behind on reports received 50.1% against 48.8%

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 3550.117.5 of 35 pointsCalifornia median 98.8361 of 720 scheduled reports received in 7 days
2. Arrivalweight 1082.78.3 of 10 pointsCalifornia median 81.1half its reports arrived within 19 min
3. Continuityweight 1067.06.7 of 10 pointsCalifornia median 100.0longest silence 2 h, on a schedule of one report every 14 min
4. Accuracyweight 20-16.6 of 20 points, at the medianCalifornia median 83.2-
5. Instrument checksweight 15-15.0 of 15 points, at the medianCalifornia median 100.0-
6. Forecast checkweight 10-9.1 of 10 points, at the medianCalifornia 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.