Missouri River 15 NE Helena below Hauser Rsvr

Ranking Statistics

247 score90.5of 100

Montana median

91.1the median score of 1,053 stations

Scoring higher

560stations in Montana

Sharing its score

3ranks 561 to 563

Points deducted

9.53.6 arrival, 2.7 accuracy, 2.1 forecast check, 1.1 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

WRDM8rank 561; ahead on reports received 99.4% against 97.0%

Next below

SCSM8rank 563; behind on median arrival 28 min 9 s against 28 min 10 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 3597.034.0 of 35 pointsMontana median 98.8163 of 168 scheduled reports received in 7 days
2. Arrivalweight 1063.76.4 of 10 pointsMontana median 80.4half its reports arrived within 28 min
3. Continuityweight 10100.010.0 of 10 pointsMontana median 100.0longest silence 3 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.