condition mean min max 2 h after light 171.48266666666666 134.296 211.677 6 h after light 184.505 160.748 213.535 10 h after light 129.67995 93.9081 215.544 14 h after light 91.89958333333334 66.3698 112.356 18 h after light 105.378 86.7889 131.041 2 h after dark 102.5921 80.7708 123.052