condition mean min max 4 h after light 16.8923 14.075 19.7096 8 h after light 12.06747 9.80314 14.3318 12 h after light 12.588550000000001 12.2857 12.8914 4 h after dark 22.2919 20.0052 26.3146 8 h after dark 18.8228 13.4374 28.2788 12 h after dark 20.7945 17.9638 22.5235