condition mean min max 0 h after light 6.70169 5.81522 7.58816 2 h after light 4.85063 3.76601 5.93525 4 h after light 4.742795 4.47628 5.00931 8 h after light 5.569655 5.21696 5.92235 12 h after light 12.368500000000001 11.935 12.802 2 h after dark 12.210650000000001 11.7318 12.6895 4 h after dark 12.49385 11.7769 13.2108 8 h after dark 11.551929999999999 8.25856 14.8453 12 h after dark 7.49103 6.39198 8.59008