condition mean min max 2 h after light 0.030522833333333332 0.0 0.183137 6 h after light 0.0 0.0 0.0 10 h after light 0.0304125 0.0 0.182475 14 h after light 0.0640515 0.0 0.192421 18 h after light 0.05268233333333333 0.0 0.316094 2 h after dark 0.0272145 0.0 0.163287