condition mean min max 2 h after light 1.750985 0.743598 4.7052 6 h after light 2.0066675 0.811833 5.21083 10 h after light 2.2508555 0.562583 5.84787 14 h after light 4.452466666666666 0.42389 11.6983 18 h after light 3.0432361666666665 0.466297 9.25814 2 h after dark 1.7293583333333333 0.469038 3.85961