condition mean min max 0 h after light 81.9563 74.8786 89.034 2 h after light 89.41065 88.9598 89.8615 4 h after light 73.358 71.275 75.441 8 h after light 80.80935 77.8459 83.7728 12 h after light 87.89235 87.6084 88.1763 2 h after dark 81.4142 78.5651 84.2633 4 h after dark 73.64555 73.4721 73.819 8 h after dark 64.99515 59.2545 70.7358 12 h after dark 78.5317 74.5315 82.5319