20 NNW NWLON Station near Prudhoe Bay

Ranking Statistics

247 score90.4of 100

Alaska median

96.0the median score of 1,023 stations

Scoring higher

771stations in Alaska

Sharing its score

6ranks 772 to 777

Points deducted

9.64.6 continuity, 3.2 reports received, 1.8 arrival

Counted at the median

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

Next above

TCOA2rank 773; ahead on reports received 97.1% against 90.8%

Next below

LHFA2rank 775; behind on reports received 90.8% against 79.1%

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 3590.831.8 of 35 pointsAlaska median 98.8763 of 840 scheduled reports received in 7 days
2. Arrivalweight 1082.38.2 of 10 pointsAlaska median 86.1half its reports arrived within 19 min
3. Continuityweight 1053.95.4 of 10 pointsAlaska median 100.0longest silence 2.6 h, on a schedule of one report every 12 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.