Walnut - Arroyo Tapo

Ranking Statistics

247 score94.1of 100

California median

91.6the median score of 4,465 stations

Scoring higher

1,256stations in California

Sharing its score

35ranks 1,257 to 1,291

Points deducted

5.92.9 accuracy, 1.9 arrival, 0.8 forecast check, 0.5 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

DGFC1rank 1,285; ahead on median arrival 14 min 26 s against 19 min 15 s

Next below

VTUC1rank 1,288; behind on median arrival 19 min 15 s against 29 min 49 s

Sharing its rank

1other 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 3598.734.5 of 35 pointsCalifornia median 98.5663 of 672 scheduled reports received in 7 days
2. Arrivalweight 1081.58.2 of 10 pointsCalifornia median 81.2half its reports arrived within 19 min
3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 45 min, 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.