USGS Stream Gage at Arroyo Valle Bl Lang Cyn near Livermore

Ranking Statistics

247 score94.4of 100

California median

91.6the median score of 4,465 stations

Scoring higher

1,021stations in California

Sharing its score

71ranks 1,022 to 1,092

Points deducted

5.62.9 accuracy, 2.0 arrival, 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

YVVC1rank 1,029; ahead on longest silence 66 min against 76 min

Next below

CVHrank 1,077; behind on reports received 100% against 99.6%

Sharing its rank

45other 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 1080.48.0 of 10 pointsCalifornia median 81.2half its reports arrived within 20 min
3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 76 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.