Valley Creek near Bessemer

Ranking Statistics

247 score95.8of 100

Alabama median

95.6the median score of 798 stations

Scoring higher

382stations in Alabama

Sharing its score

12ranks 383 to 394

Points deducted

4.22.3 arrival, 1.5 reports received, 0.5 forecast check

Counted at the median

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

Next above

SRSA1rank 384; ahead on reports received 98.8% against 95.8%

Next below

LGLA1rank 395; behind on 247 score 95.8 against 95.6

Sharing its rank

4other stations, equal on every measure

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 pointsAlabama median 98.8161 of 168 scheduled reports received in 7 days
2. Arrivalweight 1077.17.7 of 10 pointsAlabama median 87.5half its reports arrived within 21 min
3. Continuityweight 10100.010.0 of 10 pointsAlabama median 100.0longest silence 2 h, 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.