condition mean min max 2 h after light 5.10745 3.75468 7.62266 6 h after light 4.036113333333334 3.65876 4.41758 10 h after light 5.826239999999999 2.76696 13.0636 14 h after light 5.74132 3.47874 7.6684 18 h after light 3.9608499999999998 3.1816 4.97031 2 h after dark 4.72548 2.77901 6.96543