condition mean min max 0 h after light 1.518175 1.31969 1.71666 2 h after light 0.61829 0.495765 0.740815 4 h after light 0.6635555 0.377301 0.94981 8 h after light 1.0769099999999998 1.07486 1.07896 12 h after light 2.3661950000000003 1.6568 3.07559 2 h after dark 2.626475 1.96956 3.28339 4 h after dark 2.45365 2.2197 2.6876 8 h after dark 3.735315 3.6979 3.77273 12 h after dark 2.30516 2.14509 2.46523