Chattahoochee River at Helen

Ranking Statistics

247 score90.7of 100

Georgia median

96.5the median score of 1,277 stations

Scoring higher

944stations in Georgia

Sharing its score

9ranks 945 to 953

Points deducted

9.35.6 reports received, 3.7 arrival

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Georgia median 100.0, 100.0, 100.0

Next above

CCOrank 952; ahead on reports received 88.8% against 83.9%

Next below

GA335rank 954; behind on 247 score 90.7 against 90.6

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.

1. Reports receivedweight 3583.929.4 of 35 pointsGeorgia median 99.4188 of 224 scheduled reports received in 7 days
2. Arrivalweight 1063.16.3 of 10 pointsGeorgia median 84.4half its reports arrived within 28 min
3. Continuityweight 10100.010.0 of 10 pointsGeorgia median 100.0longest silence 61 min, on a schedule of one report every 45 min
4. Accuracyweight 20-20.0 of 20 points, at the medianGeorgia median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianGeorgia median 100.0-
6. 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.