condition mean min max 0 h after light 17.66205 16.9131 18.411 4 h after light 16.5592 12.8131 20.3053 8 h after light 30.6764 26.9971 34.3557 4 h after dark 29.53745 26.2971 32.7778 8 h after dark 24.40985 23.8992 24.9205 12 h after dark 19.241500000000002 18.6219 19.8611