condition mean min max 4 h after light 257.1311666666667 241.7894 269.4142 8 h after light 223.22806666666668 176.2992 303.2488 12 h after light 203.3723 158.3289 236.715 16 h after light 282.439 244.9617 336.6988 4 h after dark 360.5007 325.6555 387.7519 8 h after dark 194.9733 128.6966 249.9054