condition mean min max 4 h after light 0.636197 0.0 1.0103 8 h after light 1.112643 0.229002 2.3089 12 h after light 1.0818416666666666 0.757815 1.41914 4 h after dark 1.0959276666666666 0.491328 1.93272 8 h after dark 0.860667 0.512361 1.2265 12 h after dark 0.7548353333333333 0.469438 1.2121