condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.04645 0.0 0.13935 9 h after light 0.042851 0.0 0.128553 12 h after light 0.03323025 0.0 0.132921 3 h after dark 0.05431033333333333 0.0 0.162931 6 h after dark 0.07771333333333333 0.0 0.23314 9 h after dark 0.0 0.0 0.0 12 h after dark 0.125638 0.0 0.251276