condition mean min max 0 h after light 6.104699999999999 5.09254 7.11686 4 h after light 11.14691 9.68992 12.6039 8 h after light 3.049085 2.24236 3.85581 4 h after dark 2.837375 1.49779 4.17696 8 h after dark 9.46636 8.91952 10.0132 12 h after dark 8.788295 8.60785 8.96874