condition mean min max 4 h after light 0.1054145 0.041904 0.168925 8 h after light 0.12729089999999998 0.0458248 0.208757 12 h after light 0.521057 0.498869 0.543245 4 h after dark 0.734193 0.51874 0.949646 8 h after dark 2.955975 2.82774 3.08421 12 h after dark 0.631849 0.589043 0.674655