condition mean min max 2 h after light 0.174385 0.0 0.486824 6 h after light 0.497783 0.25145 0.75328 10 h after light 0.6687483333333334 0.356354 0.893308 14 h after light 0.6520086666666667 0.367599 1.05063 18 h after light 0.3275686666666667 0.201287 0.456009 2 h after dark 0.4149525 0.0 1.19159