condition mean min max 2 h after light 15.332816666666666 11.6614 16.7941 6 h after light 15.0192 11.1318 22.2972 10 h after light 13.191148333333333 9.10906 19.5117 14 h after light 11.470575 8.67515 12.715 18 h after light 14.2558 10.3487 17.4442 2 h after dark 10.345756666666666 7.55292 14.1915