city          latitude  JanTemp AprTemp AugTemp  
MiamiFL           26      67      75      83
HoustonTX         30      50      68      82
MobileAL          31      50      68      82
DallasTX          33      43      66      85
PhoenixAZ         33      54      70      92
LosAngelesCA      34      58      63      75
MemphisTN         35      40      63      81
NorfolkVA         37      39      57      77
SanFranciscoCA    38      49      56      64
BaltimoreMD       39      32      53      76
KansasCityMO      39      28      55      76
WashingtonDC      39      31      53      74
PittsburghPA      40      25      50      71
ClevelandOH       41      25      48      70
NewYorkNY         41      32      53      76
BostonMA          42      29      48      72
SyracuseNY        43      22      46      68
MinneapolisMN     45      12      46      71
PortlandOR        46      40      51      69
DuluthMN          47       7      39      64