Tanana River at Tetlin Bridge

Ranking Statistics

247 score98.2of 100

Alaska median

96.0the median score of 1,023 stations

Scoring higher

280stations in Alaska

Sharing its score

26ranks 281 to 306

Points deducted

1.81.4 arrival, 0.4 reports received

Counted at the median

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

Next above

TKTA2rank 302; ahead on longest silence 120 min against 121 min

Next below

ABWA2rank 305; behind on reports received 98.8% against 98.6%

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 3598.834.6 of 35 pointsAlaska median 98.8166 of 168 scheduled reports received in 7 days
2. Arrivalweight 1086.48.6 of 10 pointsAlaska median 86.1half its reports arrived within 17 min
3. Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 2 h, 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.