condition mean min max 4 h after light 12.838011 10.564067 15.111955 8 h after light 11.406933 10.908754 11.905112 12 h after light 12.0459645 11.867156 12.224773 4 h after dark 12.1107265 11.785883 12.43557 8 h after dark 10.902061 9.936966 11.867156 12 h after dark 9.690626 9.690626 9.690626