USGS Stream Gage at Alameda C Bl Welch C near Sunol

Ranking Statistics

247 score95.2of 100

California median

91.6the median score of 4,465 stations

Scoring higher

609stations in California

Sharing its score

115ranks 610 to 724

Points deducted

4.82.9 accuracy, 1.0 arrival, 0.8 forecast check, 0.2 reports received

Counted at the median

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

Next above

BUNC1rank 669; ahead on longest silence 110 min against 120 min

Next below

CBDC1rank 711; behind on median arrival 14 min 49 s against 14 min 57 s

Sharing its rank

40other 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 3599.434.8 of 35 pointsCalifornia median 98.5167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1090.49.0 of 10 pointsCalifornia median 81.2half its reports arrived within 15 min
3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 2 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.