condition mean min max 0 h after light 18.8444 17.464 20.2248 2 h after light 13.5762 13.3684 13.784 4 h after light 12.5891 11.561 13.6172 8 h after light 9.544425 8.60795 10.4809 12 h after light 12.126100000000001 11.6287 12.6235 2 h after dark 17.72985 15.8457 19.614 4 h after dark 20.862450000000003 20.3457 21.3792 8 h after dark 26.67265 26.2617 27.0836 12 h after dark 29.09045 26.1269 32.054