condition mean min max 4 h after light 13.6626 13.4949 13.8303 8 h after light 10.001005 9.83081 10.1712 12 h after light 14.6463 13.3598 15.9328 4 h after dark 13.577 12.084 15.07 8 h after dark 16.210900000000002 15.9345 16.4873 12 h after dark 16.2702 15.9284 16.612