condition mean min max 3 h after light 2.10865 1.69707 2.52296 6 h after light 4.039306666666667 3.47546 4.47296 9 h after light 4.9872 3.88694 6.03859 12 h after light 4.5613425 2.15986 5.84164 3 h after dark 8.26238 6.41839 9.31216 6 h after dark 3.4636733333333334 2.73787 3.96727 9 h after dark 1.9927266666666668 0.8132 3.18616 12 h after dark 1.0602719999999999 0.983614 1.13693