condition mean min max 0 h after light 10.817165 9.21773 12.4166 2 h after light 11.3619 10.9326 11.7912 4 h after light 9.493939999999998 8.75748 10.2304 8 h after light 19.55755 16.6469 22.4682 12 h after light 23.366500000000002 22.6626 24.0704 2 h after dark 20.114199999999997 19.7888 20.4396 4 h after dark 13.8856 12.4941 15.2771 8 h after dark 10.475495 9.99829 10.9527 12 h after dark 11.260200000000001 11.0158 11.5046