22 



Kansas Academy of Science. 



Tlie dampest month was December, humidity 76.38; the driest month was 

 March, humidity 52.88. On the 28th, 29th and 30th of March the air was 

 exceedingly dry, the percentage of moisture at 2 p. M. on the hitter date 

 sinking to 3.8, or less than one twenty-fifth of the amount required for satu- 

 ration. There were only six fogs during the year. 



FORCE OP VAPOR (iN INCHES.) 



Mean for the year 0.308 ; at 7 a. m. 0.302 ; at 2 p. m. 0.300 ; at 9 p. m. 0.321 ; 

 greatest, 0.983 at 2 p. m. July 5; least, 0.012 at 7 a. m. January 29; highest 

 monthly mean in June, 0.619; lowest in January, 0.091. 



The following table gives the mean temperature, the extremes of temper- 

 ature, relative humidity, and rainfall for each month of the year 1873; also 

 a comparison with preceding years : 



