Ranking Statistics
247 score82.1of 100
- North Carolina median
- 95.0the median score of 2,255 stations
- Scoring higher
- 1,794stations in North Carolina
- Sharing its score
- 8ranks 1,795 to 1,802
- Points deducted
- 17.915.2 reports received, 2.7 continuity
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; North Carolina median 100.0, 100.0, 100.0
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 3556.519.8 of 35 pointsNorth Carolina median 92.6285 of 504 scheduled reports received in 7 days
- Arrivalweight 10100.010.0 of 10 pointsNorth Carolina median 95.2half its reports arrived within 18 s
- Continuityweight 1073.37.3 of 10 pointsNorth Carolina median 100.0longest silence 2.3 h, on a schedule of one report every 20 min
- Accuracyweight 20-20.0 of 20 points, at the medianNorth Carolina median 100.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianNorth Carolina median 100.0-
- Forecast checkweight 10-10.0 of 10 points, at the medianNorth Carolina median 100.0-
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 (60 min), none for 72 (24 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: 285 of 504 scheduled reports received, 56.5%.