Annual Summary for 1904. 



Pressure. In inches. 



Maximum reduced to freezing, 30.63, Mar. 5, lo A. 



Minimum reduced to freezing, • 28.42, Nov. i3tli, 10 P. 



Maximum reduced to freezing and sea-level, 3o.q6, Mar. 5, 10 A. 



Minimum reduced to freezing and sea-level, 28.73, Nov. 13th, 10 P. 



Mean reduced to freezing and sea-level, 3o-o34 



Annual range, ^-^^ 



*Air Temperature, In degrees Fahr. 



Highest, 94.5, July 19th, 3 p. 



Lowest, . . • —26.0, Jan. 5th, 7:30 A. 



Mean 43-9 



Mean of means of max. and min., 44-o 



Mean sensible (wet bulb), 39-5 



Annual range, 120.5 



Highest mean daily, 79-5> June 26th. 



Lowest mean daily, —12.7, Jan. 5th. 



Mean maximum 54-9 



Mean minimum, 33-i 



Mean daily range, 21.8 



Greatest daily range 49-0, Oct. 17th 



Least daily range, 3.5, March 22d. 



Humidity. 



Mean dew point, 35-5 



Mean force of vapor, 354 



Mean relative humidity, 77-o 



Wind. 



Prevailing direction, West 



Summary. 



South, 20 per cent. 



Northwest 12 " 



North, Northwest, 12 " 



North 10 " 



West 10 " 



Other directions, 36 " 



Total movement, 46-994 in- 

 Greatest daily movement, . ■ . 450 m., Nov. 14th. 



Least daily movement, o m., Jan. 6th. 



Mean daily movement, 128 m. 



Mean hourly velocity, 5-3 ni. 



*Temperature in ground shelter. 



G. W. PATCH, 



Observer. 



Maximum pressure per square foot, 23.5 lbs.=69 

 m. per hour, Feb. 8th, 2 A., W.N. W., Oct. 

 2ist, 12 M., S.S.E. 



Precipitation. In inches. 



Total precipitation, rain or melted snow, . 45.30 

 Number of days on which .01 or more rain 



or melted snow fell, 126 



Snow total in inches, 595 



Weather. 



Mean cloudiness observed, 51 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 2053 hrs.=:46 per cent. 



Number of clear days, 142 



Number of fair days, . . 96 



Number of cloudy days 128 



Bright Sunshine. 



Number of hours recorded, 2401 hrs.=54 per cent. 



Dates of Frosts. 



Last Apr. 23d 



First, Sept. 22d 



Dates of Snotv. 



Last, Apr. 20th 



First Oct. 12th 



Total days of sleighing, 85 



Oales of 50 or More Miles Per Hour. 



Feb. 8, 69 m., W.N.W^ 

 Mar. 3, 54 m., N.W. 

 Apr. 2, 56 m., N.E. 

 Sept. 30, 54 m., W.N.W. 

 Oct. 21,69 m., S.S.E. 



J. E. OSTRANDER, 



Aleteorolozisi. 



