94 



HATCH EXPERIMENT STATION. 



[Jan. 



Summary for the Ten Years 1889-98. 



Barometer {Pressure in Inches). 

 Maximum, reduced to freezing, Feb. 26, 1889, 11 a.m 

 Minimum, reduced to freezing, Feb. 8, 1895, 7 a.m., 

 Maximum, reduced to freezing and sea level, Feb. 26, 



11 A.M., .... 

 Minimum, reduced to freezing and sea level, Feb. 8, 



7 A.M., .... 

 Mean, 



Total range. 



Greatest annual range, 1895, 



Least annual range, 1892, . 



Mean annual range, . 



Greatest monthly range, January, 1891, 



Least monthly range, July, 1895, 



Mean monthly range, .... 



Air Temx>cratnre {in. Degrees F, 

 Highest, July 20, 1894, 5 p.m., 

 Lowest, Feb. 3, 1898, 6 a.m.. 



Mean, 



Total range, 



Greatest annual range, 1898, 



Least annual range, 1891, . 



Mean annual range, . 



Greatest monthly range, February, 1898, 



Least monthly range, July, 1897, 



Mean monthly range, .... 



Greatest daily range, Feb. 18, 1892, . 



Least daily range, April 5, 1898, 



Mean daily range, .... 



1889, 

 1895, 



30.650 

 28.240 



30.970 



28.560 

 30.029 

 2.410 

 2.270 

 1.650 

 1.920 

 1.930 

 .510 

 1.090 



98.000 



-19.000 



47.100 



117.000 



115.500 



100.000 



107.000 



73.000 



36.000 



54.900 



52.500 



2.500 



22.100 



Humiditij. 



Mean dew point, 40.200 



Mean force of vapor, .430 



Mean relative humidity, 73.600 



I'7-ecipiiatioti (in Tncfies) 

 Total rain or melted snow, . 

 Total snowfall, .... 

 Greatest annual precipitation, 1897, 

 Least annual precipitation, 1894, 

 Mean annual precipitation. 

 Greatest monthly precipitation, July, 1897, 

 Least monthly precipitation, October, 1892, 

 Mean monthly precipitation, 



460.000 



539.300 



57.050 



32.640 



46.000 



14.510 



.660 



3.830 



