condition mean min max 4 h after light 153.7083695 101.232062 206.184677 8 h after light 119.4679805 106.847443 132.088518 12 h after light 102.542293 99.892317 105.192269 4 h after dark 72.0847535 36.805166 107.364341 8 h after dark 85.1491735 44.099208 126.199139 12 h after dark 156.306793 156.306793 156.306793