James River 3 W Grace City

Ranking Statistics

247 score96.0of 100

North Dakota median

94.3the median score of 312 stations

Scoring higher

97stations in North Dakota

Sharing its score

9ranks 98 to 106

Points deducted

4.02.3 arrival, 1.8 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; North Dakota median 100.0, 100.0, 82.5

Next above

DLCN8rank 98; ahead on median arrival 21 min 12 s against 21 min 31 s

Next below

LWDN8rank 107; behind on 247 score 96.0 against 95.9

Sharing its rank

7other 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 pointsNorth Dakota median 98.2168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1077.07.7 of 10 pointsNorth Dakota median 86.7half its reports arrived within 22 min
3. Continuityweight 10100.010.0 of 10 pointsNorth Dakota median 100.0longest silence 60 min, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianNorth Dakota median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianNorth Dakota median 100.0-
6. Forecast checkweight 10-8.3 of 10 points, at the medianNorth Dakota median 82.5-

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