Ranking Statistics
247 score85.6of 100
- Georgia median
- 94.6the median score of 1,307 stations
- Scoring higher
- 977stations in Georgia
- Sharing its score
- 24ranks 978 to 1,001
- Points deducted
- 14.49.8 reports received, 4.6 arrival
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Georgia median 100.0, 100.0, 100.0
- Sharing its rank
- 1other stations, equal on every measure
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 3572.025.2 of 35 pointsGeorgia median 88.4121 of 168 scheduled reports received in 7 days
- Arrivalweight 1054.45.4 of 10 pointsGeorgia median 86.8half its reports arrived within 33 min
- Continuityweight 10100.010.0 of 10 pointsGeorgia median 100.0longest silence 75 min, on a schedule of one report every 60 min
- Accuracyweight 20-20.0 of 20 points, at the medianGeorgia median 100.0-
- Instrument checksweight 15-15.0 of 15 points, at the medianGeorgia median 100.0-
- Forecast checkweight 10-10.0 of 10 points, at the medianGeorgia median 100.0-
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 (3 h), none for 72 (72 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: 121 of 168 scheduled reports received, 72.0%.