St Mary Canal at Martins Bridge

Ranking Statistics

247 score90.9of 100

Montana median

91.1the median score of 1,053 stations

Scoring higher

540stations in Montana

Sharing its score

16ranks 541 to 556

Points deducted

9.13.7 arrival, 2.7 accuracy, 2.1 forecast check, 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

PHIM8rank 542; ahead on longest silence 90 min against 120 min

Next below

BHRM8rank 552; behind on median arrival 28 min 36 s against 28 min 37 s

Sharing its rank

8other 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 1062.86.3 of 10 pointsMontana median 80.4half its reports arrived within 29 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.