condition mean min max 0 h after light 12.8918 10.9274 14.8562 2 h after light 6.249689999999999 5.82668 6.6727 4 h after light 6.518705000000001 4.84866 8.18875 8 h after light 11.288250000000001 11.0242 11.5523 12 h after light 10.20757 9.40244 11.0127 2 h after dark 9.59852 8.47724 10.7198 4 h after dark 10.623725 7.95275 13.2947 8 h after dark 23.1036 21.9712 24.236 12 h after dark 13.085999999999999 12.9225 13.2495