condition mean min max 1 h after light 17.088216995 16.77720271 17.39923128 3 h after light 15.470832206666666 12.85063634 18.26085482 5 h after light 16.056149163333334 12.98796958 19.70885639 7 h after light 18.384931273333333 16.55666019 20.31876803 9 h after light 20.247203616666667 18.86784893 21.30145064 11 h after light 18.183377253333333 17.55904729 19.31195912 13 h after light 18.055108323333332 17.07298601 19.37981919 15 h after light 18.48305992 16.13948593 21.94196508 1 h after dark 15.173000056666666 14.16670966 15.91007262 3 h after dark 13.538009910000001 12.67983852 14.76706395 5 h after dark 10.8537107 10.08617503 11.91952522 7 h after dark 11.474066526666666 10.6581688 12.33870426