condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0930875 0.0 0.186175 8 h after light 0.0 0.0 0.0 12 h after light 0.1450535 0.0 0.290107 2 h after dark 0.0640345 0.0 0.128069 4 h after dark 0.0951455 0.0 0.190291 8 h after dark 0.152369 0.0 0.304738 12 h after dark 0.103173 0.0 0.206346