condition mean min max 0 h after light 7.7161550000000005 7.44866 7.98365 2 h after light 37.9855 30.7649 45.2061 4 h after light 9.161850000000001 9.13012 9.19358 8 h after light 3.9814249999999998 1.91653 6.04632 12 h after light 0.13364 0.0 0.26728 2 h after dark 0.434866 0.273976 0.595756 4 h after dark 0.0 0.0 0.0 8 h after dark 0.897975 0.0 1.79595 12 h after dark 1.7812305 0.284071 3.27839