condition mean min max 0 h after light 17.0763 15.7186 18.434 2 h after light 13.3844 13.3095 13.4593 4 h after light 14.12915 12.9116 15.3467 8 h after light 9.04744 6.89228 11.2026 12 h after light 17.1715 15.6988 18.6442 2 h after dark 14.7163 14.1541 15.2785 4 h after dark 16.542299999999997 16.2046 16.88 8 h after dark 20.14795 18.7641 21.5318 12 h after dark 18.0317 16.5913 19.4721