condition mean min max 4 h after light 48.505053333333336 34.499190000000006 57.16013 8 h after light 1205.2858333333334 739.8735 1470.691 12 h after light 8607.407 6406.744000000001 10807.32 16 h after light 2688.07 2129.84 3143.417 4 h after dark 954.0551666666667 903.3644 994.5998 8 h after dark 164.26346666666666 120.2178 188.1642