condition mean min max 2 h after light 0.018385166666666668 0.0 0.110311 6 h after light 0.0 0.0 0.0 10 h after light 0.033828500000000004 0.0 0.202971 14 h after light 0.037760166666666664 0.0 0.124224 18 h after light 0.02213583333333333 0.0 0.132815 2 h after dark 0.0475282 0.0 0.186814