condition mean min max 2 h after light 1.187055 0.0 3.33641 6 h after light 2.09459 0.0 5.9596 10 h after light 0.6936420000000001 0.0 2.04632 14 h after light 2.8075883333333334 1.16528 5.34729 18 h after light 1.2367006666666667 0.0 2.87933 2 h after dark 1.7344833333333334 0.0 4.958