condition mean min max 4 h after light 5.282745 3.93437 6.63112 8 h after light 26.97295 21.03 32.9159 12 h after light 88.09785 82.0323 94.1634 4 h after dark 29.9891 28.8016 30.9677 8 h after dark 9.557496666666667 9.19697 10.0673 12 h after dark 5.467453333333333 4.77817 5.89498