condition mean min max 4 h after light 0.2717705 0.23884 0.304701 8 h after light 0.29100349999999997 0.248796 0.333211 12 h after light 0.1291888 0.0895676 0.16881 4 h after dark 0.07398765 0.0299363 0.118039 8 h after dark 0.051498 0.0443644 0.0586316 12 h after dark 0.2367475 0.203824 0.269671