Ranking Statistics
247 score77.4of 100
- Connecticut median
- 91.2the median score of 362 stations
- Scoring higher
- 286stations in Connecticut
- Sharing its score
- 2ranks 287 to 288
- Points deducted
- 22.616.4 reports received, 3.5 continuity, 2.2 accuracy, 0.5 forecast check
- Counted at the median
- Forecast checknot measured at this station; Connecticut median 95.5
- Next below
- FW1809rank 288; behind on reports received 53.1% against 45.6%
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 3553.118.6 of 35 pointsConnecticut median 85.7262 of 493 scheduled reports received in 7 days
- Arrivalweight 10100.010.0 of 10 pointsConnecticut median 100.0half its reports arrived within 20 s
- Continuityweight 1064.66.5 of 10 pointsConnecticut median 100.0longest silence 3.1 h, on a schedule of one report every 20 min
- Accuracyweight 2089.017.8 of 20 pointsConnecticut median 97.5its temperature against the airport station KHFD, 11.1 miles away, over 173 readings: typical difference 3.3 °F beyond a steady offset of -1.5 °F
- Instrument checksweight 15100.015.0 of 15 pointsConnecticut median 100.00 of 173 readings failed their check against its reference station
- Forecast checkweight 10-9.6 of 10 points, at the medianConnecticut median 95.5-
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 (60 min), none for 72 (24 h)
- Accuracy
- Full marks within 2.6 °F of its reference, typically, none beyond 9.1 °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: 262 of 493 scheduled reports received, 53.1%.