Ranking Statistics
247 score96.5of 100
- North Carolina median
- 95.0the median score of 2,255 stations
- Scoring higher
- 949stations in North Carolina
- Sharing its score
- 13ranks 950 to 962
- Points deducted
- 3.53.5 arrival
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; North Carolina median 100.0, 100.0, 100.0
- Next above
- PLTN7rank 950; ahead on median arrival 11 min 58 s against 27 min 35 s
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 35100.035.0 of 35 pointsNorth Carolina median 92.6168 of 168 scheduled reports received in 7 days
- Arrivalweight 1064.86.5 of 10 pointsNorth Carolina median 95.2half its reports arrived within 28 min
- Continuityweight 10100.010.0 of 10 pointsNorth Carolina median 100.0longest silence 60 min, on a schedule of one report every 60 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 (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: 168 of 168 scheduled reports received, 100%.