condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.054407575 0.0 0.124403 3 h after dark 0.10285966666666667 0.0 0.205716 6 h after dark 0.03189193333333333 0.0 0.0512443 9 h after dark 0.10075333333333332 0.0 0.30226 12 h after dark 0.14152215 0.0793153 0.203729