condition mean min max 4 h after light 1.16926 1.03299 1.2939 8 h after light 1.490554 0.404712 2.91641 12 h after light 1.4428366666666668 1.00329 1.91887 4 h after dark 2.0403700000000002 1.56956 2.96727 8 h after dark 1.2951296666666667 0.541169 2.16256 12 h after dark 1.55347 1.09903 2.07231