condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.10972216666666666 0.0 0.345758 10 h after light 0.0 0.0 0.0 14 h after light 0.07755816666666666 0.0 0.465349 18 h after light 0.025229666666666668 0.0 0.151378 2 h after dark 0.0412045 0.0 0.247227