condition mean min max 0 h after light 8.585305 7.70479 9.46582 2 h after light 3.549055 3.46926 3.62885 4 h after light 2.89093 2.26309 3.51877 8 h after light 4.521595 4.513 4.53019 12 h after light 7.54721 7.18825 7.90617 2 h after dark 8.516075 4.91005 12.1221 4 h after dark 10.52814 9.54168 11.5146 8 h after dark 14.908999999999999 14.5421 15.2759 12 h after dark 12.08175 12.0758 12.0877