condition mean min max 4 h after light 23.82475 23.3118 24.3377 8 h after light 24.0574 23.3158 24.799 12 h after light 21.46595 21.1391 21.7928 4 h after dark 26.5587 26.026 27.0914 8 h after dark 21.71085 21.6453 21.7764 12 h after dark 28.4415 26.5452 30.3378