condition mean min max 0 h after light 4.79438 4.21045 5.37831 2 h after light 2.505715 2.39883 2.6126 4 h after light 3.103835 3.09686 3.11081 8 h after light 2.931355 2.81242 3.05029 12 h after light 4.780715 4.57592 4.98551 2 h after dark 6.105525 5.83835 6.3727 4 h after dark 5.227085000000001 5.10878 5.34539 8 h after dark 6.924705 6.81641 7.033 12 h after dark 5.035435 4.83854 5.23233