condition mean min max 4 h after light 0.4370765 0.372973 0.50118 8 h after light 0.389742 0.271914 0.50757 12 h after light 0.454169 0.164454 0.743884 4 h after dark 2.77349 1.42911 4.11787 8 h after dark 1.1899199999999999 1.07653 1.30331 12 h after dark 1.38711 1.17033 1.60389