condition mean min max 0 h after light 74.1389 70.899 77.3788 2 h after light 47.8568 47.0556 48.658 4 h after light 26.071800000000003 25.0742 27.0694 8 h after light 7.877560000000001 5.64192 10.1132 12 h after light 8.297975000000001 7.15405 9.4419 2 h after dark 8.49161 8.11131 8.87191 4 h after dark 7.378985 7.22834 7.52963 8 h after dark 16.94335 14.9797 18.907 12 h after dark 67.3611 66.1495 68.5727