UNIVERSITY OF WYOMING 



Agricultural Experiment Station 



LARAMIE, WYOMING. 



NO. 100 



SEPTEMBER, 1913 



Meteorology for I wenty Years 



. By HENRY G. KNIGHT and J. C. FITTERER 



Bulletins will be sent free upon request. Address Director Experi- 

 ment Station, Laramie, Wyoming. 



