condition mean min max 4 h after light 506.65083949999996 336.820039 676.48164 8 h after light 487.8890935 315.078211 660.699976 12 h after light 625.555037 510.273127 740.836947 4 h after dark 662.89732 640.18249 685.61215 8 h after dark 651.9087415 604.235641 699.581842 12 h after dark 529.959994 529.959994 529.959994