condition mean min max 0 h after light 67.2847 65.0441 69.5253 4 h after light 65.98975 63.4386 68.5409 8 h after light 69.28479999999999 63.3814 75.1882 4 h after dark 98.4472 85.1754 111.719 8 h after dark 86.59035 85.0293 88.1514 12 h after dark 61.66935 60.6862 62.6525