condition mean min max 0 h after light 1.321265 1.15008 1.49245 4 h after light 0.3135825 0.0 0.627165 8 h after light 0.0584815 0.0 0.116963 4 h after dark 0.0565985 0.0 0.113197 8 h after dark 0.5677185 0.565336 0.570101 12 h after dark 0.0001532805 0.0 0.000306561