condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0238424 0.0 0.0715272 12 h after light 0.03188475 0.0 0.127539 3 h after dark 0.09628326666666666 0.0 0.206694 6 h after dark 0.027286833333333333 0.0 0.0818605 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0