condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0670325 0.0 0.134065 4 h after light 0.463931 0.271956 0.655906 8 h after light 0.2764155 0.0 0.552831 12 h after light 0.2779955 0.152762 0.403229 2 h after dark 0.074898 0.0 0.149796 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0