condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 1.44454 1.30755 1.58153 8 h after light 2.3446949999999998 1.58698 3.10241 4 h after dark 1.26281 1.26032 1.2653 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0