Chena River near Two Rivers

Ranking Statistics

247 score91.9of 100

Alaska median

96.0the median score of 1,023 stations

Scoring higher

722stations in Alaska

Sharing its score

2ranks 723 to 724

Points deducted

8.14.8 reports received, 3.3 arrival

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Alaska median 100.0, 100.0, 100.0

Next above

PAGArank 722; ahead on 247 score 92.0 against 91.9

Next below

AK905rank 725; behind on 247 score 91.9 against 91.8

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 3586.230.2 of 35 pointsAlaska median 98.8193 of 224 scheduled reports received in 7 days
2. Arrivalweight 1067.06.7 of 10 pointsAlaska median 86.1half its reports arrived within 27 min
3. Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 61 min, on a schedule of one report every 45 min
4. Accuracyweight 20-20.0 of 20 points, at the medianAlaska median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianAlaska median 100.0-
6. Forecast checkweight 10-10.0 of 10 points, at the medianAlaska median 100.0-

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