condition mean min max 3 h after light 37.4057 35.4601 41.2612 6 h after light 52.8436 34.6555 68.1199 9 h after light 67.64986666666667 58.7002 82.3017 12 h after light 78.0955 37.0547 97.5329 3 h after dark 105.5911 95.9993 111.117 6 h after dark 91.73326666666667 86.1744 101.543 9 h after dark 62.61573333333333 53.2826 68.2804 12 h after dark 30.576 26.1915 34.9605