condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 1.180331 0.575722 1.78494 8 h after light 5.54249 3.86363 7.22135 4 h after dark 1.7238799999999999 1.72048 1.72728 8 h after dark 3.177575 2.87549 3.47966 12 h after dark 1.144061 0.291572 1.99655