Marias River 6 S Shelby

Ranking Statistics

247 score91.4of 100

Montana median

91.1the median score of 1,053 stations

Scoring higher

486stations in Montana

Sharing its score

20ranks 487 to 506

Points deducted

8.63.8 arrival, 2.7 accuracy, 2.1 forecast check

Counted at the median

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

Next above

TSTM8rank 487; ahead on median arrival 28 min 51 s against 28 min 58 s

Next below

WYSrank 498; behind on reports received 100% against 99.8%

Sharing its rank

6other 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 35100.035.0 of 35 pointsMontana median 98.8168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1062.16.2 of 10 pointsMontana median 80.4half its reports arrived within 29 min
3. Continuityweight 10100.010.0 of 10 pointsMontana median 100.0longest silence 60 min, 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.