90 



Lake Maxmkuckee, Physical and Biological Survey 



AIR TEMPERATURES FOR APRIL, 1903 



AVERAGE AIR TEMPERATURES FOR APRIL 



May 



Sky: — Of 35 observations made in 1900, 21 record the sky as 

 clear, and 14 as cloudy; of 95 in 1901, 23 record the sky as clear 

 and 72 as cloudy; of 31 records in 1902 we have 15 clear and 16 

 cloudy; and of 76 records for 1903 we have 49 clear and 27 cloudy, 

 making- a total of 108 records for clear and 129 of cloudy, the 

 cloudy periods being somewhat in excess of the clear ones. 



