690 



STATE BOARD OF AGRICULTURE. 



to the shore line, iiulicatinji a lajiid rise as one leaves the lake. The 

 highest teuii)orature recorded during this montli of almost unprecedented 

 heat, ranged from !).". to IMI I'\ on the lal^c sliore, to as liigli as 105 and 

 10G° F. in the interior of the h>\ver peninsula. The hot soutliwest winds 

 in traversing Lake Michigan were cooled 10° or more. On the Lake 

 Superior shore, however, temi)eratures were as high or even higher, tlnin 

 further inland, because the Avinds were southwesterly and the lake elfect 

 Avas not felt, while inland the greater elevation of the land tended to 

 reduce the temperature someAvhat. 



-2Q^A(e SupeP?ioR 



-25V30* 



-I5< 



-10° 



CHART V.-Lov;e3t terrperatures recorded during January, 

 1912, one of the coidest months on record in I'iichiga.n. 



To further illustrate the effect of the Great Lakes on temperature 

 five tables are reproduced, herewith, as follows: The mean monthly 

 temperature, mean monthly maxium temperature, mean monthly mini- 

 mum temperature, absolute maximum and absolute minimum tempera- 

 tures at Grand Haven, Michigan, Milwaukee, Wis., and the average of 

 such temperatures at five cities in South Dakota, Wisconsin and Iowa, 



