condition mean min max 4 h after light 0.0376384 0.0 0.0752768 8 h after light 0.0985631 0.0609892 0.136137 12 h after light 0.14035599999999998 0.131738 0.148974 4 h after dark 0.415471 0.390632 0.44031 8 h after dark 0.3621215 0.228382 0.495861 12 h after dark 0.23890050000000002 0.171308 0.306493