xlii BOAED OF AGRICULTURE. [P. D.No. 4. 



Miscellaneous Data for 1908. 



Barometric Pressure [reduced to Sea Level). — Mean, 30.01 

 inches ; highest, 30.76 inches, February 10 : lowest, 29.01 inches, Feb- 

 ruary 1. 



Temperature. — Greatest daily range, 37°, May 11; least daily 

 range, 4°, May 7, July 25, October 26, November 11. Greatest 

 monthly range, 62°, February; least monthly range, 39°, July. 

 Highest mean temperature of three consecutive days, 83°, July 5-7; 

 lowest mean temperature of three consecutive days, 11°, Febru- 

 ary 3—5. 



Precipitation. — Longest period without precipitation, 16 days, 

 September 12—27. Longest period with precipitation, 7 days, March 

 13-19. 



Frost. — In spring, last killing frost occurred on April 21 ; in 

 autiunn, first killing frost occurred on November 2. 



Snow. — Greatest snowfall in twenty-four hours, 3.9 inches, Feb- 

 ruary 19. Greatest depth of snow on the ground, 3.7 inches, Janu- 

 ary 24 and February 19. Last snow in spring occurred on April 20 ; 

 first snow in autumn occurred on November 13. 



Thunderstorms. — First thunderstorm, March 15; last thunder- 

 storm, August 13. 



J. W. SMITH, District Forecaster. 



