condition mean min max 0 h after light 66.33505 63.1053 69.5648 2 h after light 60.0574 47.5301 72.5847 4 h after light 51.10405 48.0489 54.1592 8 h after light 32.32065 30.7381 33.9032 12 h after light 27.07325 26.0096 28.1369 2 h after dark 41.67975 40.8792 42.4803 4 h after dark 26.60555 24.7841 28.427 8 h after dark 36.4159 34.2764 38.5554 12 h after dark 62.7508 58.8616 66.64