Harlem

Ranking Statistics

247 score93.9of 100

Montana median

91.1the median score of 1,053 stations

Scoring higher

186stations in Montana

Sharing its score

14ranks 187 to 200

Points deducted

6.12.7 accuracy, 2.1 forecast check, 0.7 arrival, 0.6 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Montana median 86.7, 100.0, 78.7

Next above

SWLM8rank 196; ahead on median arrival 13 min 36 s against 13 min 37 s

Next below

BHDM8rank 201; behind on 247 score 93.9 against 93.8

Sharing its rank

3other 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 3598.234.4 of 35 pointsMontana median 98.8165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1092.89.3 of 10 pointsMontana median 80.4half its reports arrived within 14 min
3. Continuityweight 10100.010.0 of 10 pointsMontana median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-17.3 of 20 points, at the medianMontana median 86.7-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMontana median 100.0-
6. Forecast checkweight 10-7.9 of 10 points, at the medianMontana median 78.7-

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