condition mean min max 4 h after light 74.581587 38.951807 110.211367 8 h after light 89.0128225 83.29891 94.726735 12 h after light 95.9148185 60.289888 131.539749 4 h after dark 111.559857 107.430554 115.68916 8 h after dark 66.830133 57.390729 76.269537 12 h after dark 76.772055 76.772055 76.772055