Ketchikan

Ranking Statistics

247 score97.6of 100

Alaska median

96.0the median score of 1,023 stations

Scoring higher

357stations in Alaska

Sharing its score

37ranks 358 to 394

Points deducted

2.41.3 reports received, 1.2 arrival

Counted at the median

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

Next above

MDEA2rank 391; ahead on reports received 97.0% against 96.4%

Next below

PAHCrank 393; behind on reports received 96.4% against 95.8%

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 3596.433.7 of 35 pointsAlaska median 98.8162 of 168 scheduled reports received in 7 days
2. Arrivalweight 1088.38.8 of 10 pointsAlaska median 86.1half its reports arrived within 16 min
3. Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 2.7 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.