TANANA RIVER 2 ESE Tanana River at Nenana

Ranking Statistics

247 score97.6of 100

Alaska median

96.0the median score of 1,025 stations

Scoring higher

363stations in Alaska

Sharing its score

35ranks 364 to 398

Points deducted

2.42.4 arrival

Counted at the median

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

Next above

GRAA2rank 364; ahead on median arrival 21 min 49 s against 21 min 51 s

Next below

ALEA2rank 381; behind on longest silence 60 min against 76 min

Sharing its rank

15other 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 pointsAlaska median 98.8168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1076.37.6 of 10 pointsAlaska median 85.0half its reports arrived within 22 min
3. Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 60 min, on a schedule of one report every 60 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.