condition mean min max 4 h after light 323.275248 38.027652 608.522844 8 h after light 433.2272245 416.299315 450.155134 12 h after light 373.578155 322.236813 424.919497 4 h after dark 157.4547855 97.616685 217.292886 8 h after dark 38.7559035 24.007841 53.503966 12 h after dark 117.655153 117.655153 117.655153