Black Mtn

Ranking Statistics

247 score59.0of 100

California median

91.6the median score of 4,465 stations

Scoring higher

4,293stations in California

Sharing its score

2ranks 4,294 to 4,295

Points deducted

41.025.0 reports received, 7.5 continuity, 4.9 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

GW0974rank 4,293; ahead on 247 score 59.1 against 59.0

Next below

VICC1rank 4,295; behind on reports received 28.5% against 14.7%

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 3528.610.0 of 35 pointsCalifornia median 98.564 of 224 scheduled reports received in 7 days
2. Arrivalweight 1051.15.1 of 10 pointsCalifornia median 81.2half its reports arrived within 34 min
3. Continuityweight 1025.52.6 of 10 pointsCalifornia median 100.0longest silence 24 h, on a schedule of one report every 45 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.