condition mean min max 0 h after light 69.4531 62.472 76.4342 2 h after light 70.83324999999999 67.5951 74.0714 4 h after light 42.4208 41.1751 43.6665 8 h after light 24.250300000000003 24.2343 24.2663 12 h after light 30.483449999999998 30.4404 30.5265 2 h after dark 31.3794 28.9955 33.7633 4 h after dark 28.21255 27.3705 29.0546 8 h after dark 49.172650000000004 48.2671 50.0782 12 h after dark 68.0453 64.1909 71.8997