condition mean min max 4 h after light 477.43152599999996 446.338232 508.52482 8 h after light 493.87495750000005 468.408303 519.341612 12 h after light 499.63127 456.586515 542.676025 4 h after dark 464.116672 460.770518 467.462826 8 h after dark 432.4437195 376.288619 488.59882 12 h after dark 376.30898 376.30898 376.30898