Ranking Statistics
247 score78.2of 100
- New York median
- 96.1the median score of 1,432 stations
- Scoring higher
- 1,249stations in New York
- Sharing its score
- 6ranks 1,250 to 1,255
- Points deducted
- 21.818.3 reports received, 2.8 continuity, 0.8 forecast check
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; New York median 100.0, 100.0, 92.5
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 3547.816.7 of 35 pointsNew York median 99.4107 of 224 scheduled reports received in 7 days
- Arrivalweight 10100.010.0 of 10 pointsNew York median 90.8half its reports arrived within 20 s
- Continuityweight 1071.97.2 of 10 pointsNew York median 100.0longest silence 5.5 h, on a schedule of one report every 45 min
- Accuracyweight 20-20.0 of 20 points, at the medianNew York median 100.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianNew York median 100.0-
- Forecast checkweight 10-9.3 of 10 points, at the medianNew York median 92.5-
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 (2.3 h), none for 72 (54 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: 107 of 224 scheduled reports received, 47.7%.