condition mean min max 2 h after light 0.3606365 0.161416 0.664365 6 h after light 1.2019138333333332 0.76946 1.80551 10 h after light 0.8995393333333334 0.218095 1.90087 14 h after light 0.6500388333333333 0.171587 1.10278 18 h after light 0.7976989999999999 0.156183 1.84787 2 h after dark 0.4632098333333333 0.164127 1.33902