Grafton - WF Big Blue River

Ranking Statistics

247 score92.4of 100

Nebraska median

93.9the median score of 681 stations

Scoring higher

440stations in Nebraska

Sharing its score

4ranks 441 to 444

Points deducted

7.63.3 arrival, 3.3 forecast check, 1.1 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Nebraska median 100.0, 100.0, 67.4

Next above

LMTN1rank 441; ahead on median arrival 26 min 37 s against 26 min 39 s

Next below

AUBN1rank 444; behind on reports received 97.0% against 87.5%

Sharing its rank

1other 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 3597.034.0 of 35 pointsNebraska median 99.4163 of 168 scheduled reports received in 7 days
2. Arrivalweight 1066.76.7 of 10 pointsNebraska median 80.2half its reports arrived within 27 min
3. Continuityweight 10100.010.0 of 10 pointsNebraska median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianNebraska median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianNebraska median 100.0-
6. Forecast checkweight 10-6.7 of 10 points, at the medianNebraska median 67.4-

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