Ranking Statistics
247 score87.1of 100
- Maine median
- 94.7the median score of 422 stations
- Scoring higher
- 274stations in Maine
- Sharing its score
- 1no other station
- Points deducted
- 12.99.0 reports received, 3.0 continuity, 0.9 forecast check, 0.1 accuracy
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Maine median 99.4, 100.0, 91.1
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 3574.426.0 of 35 pointsMaine median 97.6625 of 840 scheduled reports received in 7 days
- Arrivalweight 10100.010.0 of 10 pointsMaine median 98.8half its reports arrived within 57 s
- Continuityweight 1070.57.1 of 10 pointsMaine median 100.0longest silence 1.5 h, on a schedule of one report every 12 min
- Accuracyweight 20-19.9 of 20 points, at the medianMaine median 99.4-
- Instrument checksweight 15-15.0 of 15 points, at the medianMaine median 100.0-
- Forecast checkweight 10-9.1 of 10 points, at the medianMaine median 91.1-
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 (36 min), none for 72 (14.4 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: 625 of 840 scheduled reports received, 74.4%.