Petersburg

Ranking Statistics

247 score97.0of 100

Alaska median

96.0the median score of 1,023 stations

Scoring higher

431stations in Alaska

Sharing its score

8ranks 432 to 439

Points deducted

3.01.5 arrival, 1.5 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

BRUA2rank 437; ahead on reports received 98.2% against 95.8%

Next below

CRSA2rank 439; behind on reports received 95.8% against 93.4%

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 3595.833.5 of 35 pointsAlaska median 98.8161 of 168 scheduled reports received in 7 days
2. Arrivalweight 1085.08.5 of 10 pointsAlaska median 86.1half its reports arrived within 18 min
3. Continuityweight 10100.010.0 of 10 pointsAlaska median 100.0longest silence 2.5 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.