Ranking Statistics
247 score87.7of 100
- Wisconsin median
- 93.9the median score of 1,323 stations
- Scoring higher
- 942stations in Wisconsin
- Sharing its score
- 4ranks 943 to 946
- Points deducted
- 12.310.4 reports received, 1.3 continuity, 0.6 forecast check, 0.1 accuracy
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Wisconsin median 99.7, 100.0, 94.2
- Next above
- SMCW3rank 943; ahead on reports received 73.3% against 70.2%
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 3570.224.6 of 35 pointsWisconsin median 86.3354 of 504 scheduled reports received in 7 days
- Arrivalweight 10100.010.0 of 10 pointsWisconsin median 100.0half its reports arrived within 5 min
- Continuityweight 1087.28.7 of 10 pointsWisconsin median 100.0longest silence 1.5 h, on a schedule of one report every 20 min
- Accuracyweight 20-19.9 of 20 points, at the medianWisconsin median 99.7-
- Instrument checksweight 15-15.0 of 15 points, at the medianWisconsin median 100.0-
- Forecast checkweight 10-9.4 of 10 points, at the medianWisconsin median 94.2-
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 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: 354 of 504 scheduled reports received, 70.2%.