condition mean min max 4 h after light 26.789749999999998 22.3689 31.2106 8 h after light 20.7603 20.4017 21.1189 12 h after light 11.275549999999999 10.6955 11.8556 4 h after dark 18.096566666666668 17.1132 19.3913 8 h after dark 17.831333333333333 17.2014 18.1688 12 h after dark 24.966533333333334 23.5062 25.9376