condition mean min max 4 h after light 1313.395 1229.547 1480.997 8 h after light 1025.9485333333332 699.2665 1433.524 12 h after light 1147.6016666666667 995.862 1346.056 16 h after light 1037.6786666666667 1012.5830000000001 1078.862 4 h after dark 2229.0719999999997 1780.4589999999998 2513.2129999999997 8 h after dark 2003.0373333333332 1448.905 2603.574