condition mean min max 3 h after light 3.10312 0.0 4.85821 6 h after light 1.9695833333333332 0.0 4.57152 9 h after light 3.28444 1.45048 6.44119 12 h after light 4.709855 0.0 7.3965 3 h after dark 3.18216 0.0 6.10749 6 h after dark 5.5686 1.78772 9.2561 9 h after dark 2.5944 0.0 5.33928 12 h after dark 4.394905 1.74166 7.04815