condition mean min max 0 h after light 16.9291 16.6744 17.1838 2 h after light 8.54735 8.50062 8.59408 4 h after light 15.4189 14.0763 16.7615 8 h after light 11.37495 10.4179 12.332 12 h after light 14.854500000000002 14.6308 15.0782 2 h after dark 16.9137 16.5387 17.2887 4 h after dark 18.24595 17.9654 18.5265 8 h after dark 25.0321 23.1599 26.9043 12 h after dark 22.1391 20.4594 23.8188