condition mean min max 4 h after light 48.274913999999995 40.34241 56.207418 8 h after light 54.197218 52.116271 56.278165 12 h after light 65.248694 49.296941 81.200447 4 h after dark 73.65119 56.791062 90.511318 8 h after dark 66.50863799999999 50.038601 82.978675 12 h after dark 57.223915 57.223915 57.223915