Park River at Grafton

Ranking Statistics

247 score94.9of 100

North Dakota median

94.3the median score of 312 stations

Scoring higher

132stations in North Dakota

Sharing its score

17ranks 133 to 149

Points deducted

5.13.3 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

PRTN8rank 132; ahead on 247 score 95.2 against 94.9

Next below

UHMN8rank 136; behind on median arrival 26 min 37 s against 26 min 38 s

Sharing its rank

2other 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 1066.86.7 of 10 pointsNorth Dakota median 86.7half its reports arrived within 27 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.