Sitka

Ranking Statistics

247 score69.3of 100

Alaska median

96.0the median score of 1,023 stations

Scoring higher

997stations in Alaska

Sharing its score

2ranks 998 to 999

Points deducted

30.721.0 reports received, 8.5 continuity, 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

ARCA2rank 997; ahead on 247 score 69.5 against 69.3

Next below

CHMA2rank 999; behind on reports received 39.8% against 30.9%

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 3539.914.0 of 35 pointsAlaska median 98.867 of 168 scheduled reports received in 7 days
2. Arrivalweight 1088.48.8 of 10 pointsAlaska median 86.1half its reports arrived within 16 min
3. Continuityweight 1015.21.5 of 10 pointsAlaska median 100.0longest silence 44.5 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.