condition mean min max 4 h after light 2.8888640000000003 2.816193 2.988093 8 h after light 3.611880666666667 2.4384419999999998 5.954437 12 h after light 11.715817999999999 9.378134 12.948839999999999 16 h after light 5.09493 3.453992 6.667567999999999 4 h after dark 3.139017 2.189598 5.029971 8 h after dark 1.4924383333333333 1.44934 1.554095