Ranking Statistics
247 score83.5of 100
- New Hampshire median
- 92.0the median score of 385 stations
- Scoring higher
- 232stations in New Hampshire
- Sharing its score
- 1no other station
- Points deducted
- 16.58.1 reports received, 4.9 continuity, 2.4 forecast check, 1.0 arrival, 0.2 accuracy
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; New Hampshire median 98.9, 100.0, 76.1
- Next above
- LSPrank 232; ahead on 247 score 83.7 against 83.5
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 3576.826.9 of 35 pointsNew Hampshire median 94.3774 of 1,008 scheduled reports received in 7 days
- Arrivalweight 1090.39.0 of 10 pointsNew Hampshire median 100.0half its reports arrived within 15 min
- Continuityweight 1051.55.2 of 10 pointsNew Hampshire median 100.0longest silence 2.3 h, on a schedule of one report every 10 min
- Accuracyweight 20-19.8 of 20 points, at the medianNew Hampshire median 98.9-
- Instrument checksweight 15-15.0 of 15 points, at the medianNew Hampshire median 100.0-
- Forecast checkweight 10-7.6 of 10 points, at the medianNew Hampshire median 76.1-
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 (30 min), none for 72 (12 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: 774 of 1,008 scheduled reports received, 76.7%.