Cullman-NAHRC

Ranking Statistics

247 score92.7of 100

Alabama median

95.6the median score of 798 stations

Scoring higher

529stations in Alabama

Sharing its score

4ranks 530 to 533

Points deducted

7.36.6 arrival, 0.5 forecast check, 0.2 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Alabama median 100.0, 100.0, 95.4

Next above

S2177rank 528; ahead on 247 score 92.8 against 92.7

Next below

S2173rank 531; behind on median arrival 42 min 59 s against 43 min 3 s

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 3599.434.8 of 35 pointsAlabama median 98.8167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1034.03.4 of 10 pointsAlabama median 87.5half its reports arrived within 43 min
3. Continuityweight 10100.010.0 of 10 pointsAlabama median 100.0longest silence 61 min, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianAlabama median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianAlabama median 100.0-
6. Forecast checkweight 10-9.5 of 10 points, at the medianAlabama median 95.4-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.