condition mean min max 4 h after light 0.0698173 0.0509733 0.0886613 8 h after light 0.22602 0.161564 0.290476 12 h after light 0.17125295 0.0706039 0.271902 4 h after dark 0.288747 0.132881 0.398566 8 h after dark 0.13132133333333335 0.0 0.275889 12 h after dark 0.16841566666666669 0.121634 0.204764