condition mean min max 4 h after light 173.466944 172.100977 174.832911 8 h after light 209.416603 191.838765 226.994441 12 h after light 188.68868750000001 179.52381 197.853565 4 h after dark 151.98515049999997 131.783179 172.187122 8 h after dark 166.3626865 138.770518 193.954855 12 h after dark 113.096485 113.096485 113.096485