condition mean min max 0 h after light 1.606205 1.37477 1.83764 2 h after light 1.46054 1.44057 1.48051 4 h after light 1.63004 1.57219 1.68789 8 h after light 1.34015 1.25413 1.42617 12 h after light 1.794355 1.58787 2.00084 2 h after dark 1.29989 1.21484 1.38494 4 h after dark 1.227075 0.97999 1.47416 8 h after dark 1.526795 1.4042 1.64939 12 h after dark 1.77721 1.29629 2.25813