condition mean min max 2 h after light 0.1946011 0.0 0.389439 6 h after light 0.1036663 0.0 0.315821 10 h after light 0.11172651666666666 0.037142 0.250123 14 h after light 0.09592165 0.0 0.18846 18 h after light 0.08565933333333334 0.0503734 0.130877 2 h after dark 0.17776373333333334 0.0746074 0.294341