Concord - Ygnacio Valley

Ranking Statistics

247 score93.4of 100

California median

91.6the median score of 4,465 stations

Scoring higher

1,525stations in California

Sharing its score

119ranks 1,526 to 1,644

Points deducted

6.63.0 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

GVYC1rank 1,535; ahead on longest silence 60 min against 61 min

Next below

GOCC1rank 1,630; behind on longest silence 61 min against 68 min

Sharing its rank

93other 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 35100.035.0 of 35 pointsCalifornia median 98.5168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1070.47.0 of 10 pointsCalifornia median 81.2half its reports arrived within 25 min
3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 61 min, 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.