156 



TRANSACTIONS OP THE 



MEAN SUMMER TEMPERATURE. 



The mean temperature in the following table is for the Summer 

 months and for the Summer season, showing bj^ their mean temper- 

 ature that 1866 was the warmest — 74.8°; and the coldest to have been 

 1880 — 69.1°; the mean average for thirty- one years is 71.8°; the sea- 

 son of 1866 being 3° above the mean average, and 1880 being 2.7° 

 below the mean average for the past thirty-one years. It also appears 

 that the mean average temperature for the past thirty-one years for 

 June, July, and August was in the seventies, which gives us to under- 

 stand that the three Summer months are usually of even degrees of 

 temperature, with July a little the warmest of the three: 



