Colorado River below Hoover Dam

Ranking Statistics

247 score96.3of 100

Arizona median

91.5the median score of 1,869 stations

Scoring higher

562stations in Arizona

Sharing its score

7ranks 563 to 569

Points deducted

3.71.0 arrival, 0.9 continuity, 0.7 accuracy, 0.6 forecast check, 0.5 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Arizona median 96.5, 100.0, 93.8

Next above

SCTA3rank 566; ahead on reports received 98.8% against 98.6%

Next below

09510200rank 570; behind on 247 score 96.3 against 96.2

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 pointsArizona median 85.7663 of 672 scheduled reports received in 7 days
2. Arrivalweight 1090.39.0 of 10 pointsArizona median 79.1half its reports arrived within 15 min
3. Continuityweight 1090.99.1 of 10 pointsArizona median 100.0longest silence 60 min, on a schedule of one report every 15 min
4. Accuracyweight 20-19.3 of 20 points, at the medianArizona median 96.5-
5. Instrument checksweight 15-15.0 of 15 points, at the medianArizona median 100.0-
6. Forecast checkweight 10-9.4 of 10 points, at the medianArizona median 93.8-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.