condition mean min max 0 h after light 4.31138 4.02057 4.60219 2 h after light 3.0784 2.95706 3.19974 4 h after light 2.21752 1.74605 2.68899 8 h after light 2.6217799999999998 1.99725 3.24631 12 h after light 6.345815 4.90703 7.7846 2 h after dark 6.469405 6.44464 6.49417 4 h after dark 5.2904599999999995 4.79368 5.78724 8 h after dark 6.0444949999999995 5.90672 6.18227 12 h after dark 4.141785 3.47686 4.80671