condition mean min max 4 h after light 59.5664 58.2157 60.9171 8 h after light 32.1242 30.3604 33.888 12 h after light 32.585899999999995 31.979 33.1928 4 h after dark 17.6791 16.8842 18.474 8 h after dark 22.31425 20.7454 23.8831 12 h after dark 35.74735 34.9961 36.4986