condition mean min max 4 h after light 11.045748999999999 7.415597 13.882229999999998 8 h after light 10.683945666666666 4.428357 14.103979999999998 12 h after light 9.761731666666666 4.647513 17.81249 16 h after light 10.096114 3.539372 15.296339999999999 4 h after dark 10.662249333333333 9.994958 11.78781 8 h after dark 6.045278333333333 1.557787 8.353276