condition mean min max 0 h after light 22.028 20.7775 23.2785 2 h after light 13.9986 13.5898 14.4074 4 h after light 7.921595 7.24524 8.59795 8 h after light 10.021275 8.75365 11.2889 12 h after light 12.106135 8.95217 15.2601 2 h after dark 13.955515 9.18423 18.7268 4 h after dark 20.76135 18.9254 22.5973 8 h after dark 31.61575 26.2621 36.9694 12 h after dark 27.00205 24.0102 29.9939