Arroyo Las Positas near Livermore

Ranking Statistics

247 score80.9of 100

California median

91.6the median score of 4,465 stations

Scoring higher

3,486stations in California

Sharing its score

17ranks 3,487 to 3,503

Points deducted

19.16.2 reports received, 5.5 continuity, 3.9 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

COSC1rank 3,491; ahead on reports received 83.3% against 82.2%

Next below

CF077rank 3,493; behind on reports received 82.2% against 73.0%

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 3582.328.8 of 35 pointsCalifornia median 98.5553 of 672 scheduled reports received in 7 days
2. Arrivalweight 1061.56.2 of 10 pointsCalifornia median 81.2half its reports arrived within 29 min
3. Continuityweight 1045.44.5 of 10 pointsCalifornia median 100.0longest silence 4.3 h, on a schedule of one report every 15 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.