condition mean min max 4 h after light 226.751799 222.962625 230.540973 8 h after light 199.92408849999998 176.303076 223.545101 12 h after light 223.815245 214.217272 233.413218 4 h after dark 195.358787 175.141793 215.575781 8 h after dark 183.59722399999998 168.847441 198.347007 12 h after dark 239.802014 239.802014 239.802014