condition mean min max 2 h after light 1.1526793333333334 0.0 2.22532 6 h after light 0.4136085 0.0 1.20729 10 h after light 0.9116706666666666 0.0 1.71416 14 h after light 1.42498 0.0 3.44863 18 h after light 0.6401936666666667 0.0 1.67455 2 h after dark 0.610965 0.0 1.29487