condition mean min max 0 h after light 12.39585 10.904 13.8877 2 h after light 12.62575 12.3281 12.9234 4 h after light 14.15435 13.1723 15.1364 8 h after light 12.624749999999999 12.5612 12.6883 12 h after light 22.5865 21.5944 23.5786 2 h after dark 19.9122 18.4796 21.3448 4 h after dark 16.77165 14.3179 19.2254 8 h after dark 17.9578 16.842 19.0736 12 h after dark 12.4334 11.5881 13.2787