Chicago Alert #279

Ranking Statistics

247 score80.7of 100

California median

91.6the median score of 4,465 stations

Scoring higher

3,515stations in California

Sharing its score

23ranks 3,516 to 3,538

Points deducted

19.37.0 continuity, 5.6 reports received, 3.0 arrival, 2.9 accuracy, 0.8 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4

Next above

BHOC1rank 3,516; ahead on reports received 86.3% against 83.9%

Next below

EDNC1rank 3,525; behind on median arrival 24 min 57 s against 24 min 58 s

Sharing its rank

7other 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 3583.929.4 of 35 pointsCalifornia median 98.5141 of 168 scheduled reports received in 7 days
2. Arrivalweight 1070.17.0 of 10 pointsCalifornia median 81.2half its reports arrived within 25 min
3. Continuityweight 1029.73.0 of 10 pointsCalifornia median 100.0longest silence 28 h, on a schedule of one report every 60 min
4. Accuracyweight 20-17.1 of 20 points, at the medianCalifornia median 85.6-
5. Instrument checksweight 15-15.0 of 15 points, at the medianCalifornia median 100.0-
6. Forecast checkweight 10-9.2 of 10 points, at the medianCalifornia median 92.4-

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