Rock Creek 21 NW Opheim

Ranking Statistics

247 score89.0of 100

Montana median

91.1the median score of 1,053 stations

Scoring higher

652stations in Montana

Sharing its score

2ranks 653 to 654

Points deducted

11.02.7 continuity, 2.7 accuracy, 2.1 forecast check, 2.1 reports received, 1.4 arrival

Counted at the median

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

Next above

LDSM8rank 653; ahead on reports received 98.8% against 94.0%

Next below

CMBM8rank 655; behind on 247 score 89.0 against 88.9

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 3594.032.9 of 35 pointsMontana median 98.8158 of 168 scheduled reports received in 7 days
2. Arrivalweight 1085.98.6 of 10 pointsMontana median 80.4half its reports arrived within 17 min
3. Continuityweight 1073.37.3 of 10 pointsMontana median 100.0longest silence 7 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.