condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.11644145 0.0567959 0.176087 8 h after light 0.1441265 0.117278 0.170975 4 h after dark 0.084864 0.0 0.169728 8 h after dark 0.0855796 0.0567342 0.114425 12 h after dark 0.0281375 0.0 0.056275