condition mean min max 3 h after light 63.8663 59.4846 67.137 6 h after light 65.7732 53.787 76.6881 9 h after light 66.21369999999999 61.8092 73.1158 12 h after light 71.540375 67.4623 75.1082 3 h after dark 88.19250000000001 84.6679 91.5815 6 h after dark 62.72123333333333 53.4717 71.6428 9 h after dark 44.40383333333333 37.7942 56.2896 12 h after dark 46.073 45.1335 47.0125