condition mean min max 3 h after light 39.93633333333333 34.9021 44.8844 6 h after light 34.513799999999996 28.3767 40.4755 9 h after light 39.5287 37.7803 42.4848 12 h after light 46.973275 43.3108 52.6353 3 h after dark 57.5543 54.4219 61.9236 6 h after dark 51.8718 46.48 55.9413 9 h after dark 38.05243333333333 34.6778 44.0574 12 h after dark 36.4381 35.2802 37.596