condition mean min max 0 h after light 2.89949 0.0 5.79898 4 h after light 2.85365 0.0 5.7073 8 h after light 5.8097449999999995 5.72699 5.8925 4 h after dark 0.0 0.0 0.0 8 h after dark 2.874575 0.0 5.74915 12 h after dark 0.0 0.0 0.0