Ranking Statistics
247 score80.7of 100
- Nebraska median
- 93.9the median score of 681 stations
- Scoring higher
- 576stations in Nebraska
- Sharing its score
- 2ranks 577 to 578
- Points deducted
- 19.314.6 reports received, 3.3 forecast check, 1.4 continuity
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Nebraska median 100.0, 100.0, 67.4
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.
- Reports receivedweight 3558.320.4 of 35 pointsNebraska median 99.498 of 168 scheduled reports received in 7 days
- Arrivalweight 10100.010.0 of 10 pointsNebraska median 80.2half its reports arrived within 18 s
- Continuityweight 1085.78.6 of 10 pointsNebraska median 100.0longest silence 4.7 h, on a schedule of one report every 60 min
- Accuracyweight 20-20.0 of 20 points, at the medianNebraska median 100.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianNebraska median 100.0-
- 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.
How each part is scored
- Reports received
- Full marks for every scheduled report received, none for none, in proportion between
- Arrival
- Full marks for a median arrival within 10 min, none at 60 min
- Continuity
- Full marks for a longest silence of 3 reports or less (3 h), none for 72 (72 h)
- Accuracy
- Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
- Instrument checks
- Full marks for no reading failed, none for 5 per cent or more
- Forecast check
- Full marks within 2 °F of the forecast on average, none at 8 °F
The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 98 of 168 scheduled reports received, 58.3%.