Annual Summary for 1905. 



Pressure. In inches. 



Maximum reduced to freezing, 30-54, Dec. i, ii A. 



Minimum reduced to freezing, • • 2S.91, Apr. 6th, 10 A. 



Maximum reduced to freezing and sea-level 30-86, Dec. i, 11 A. 



Minimum reduced to freezing and sea-level, 29.22, Apr. 6th, 10 A. 



Mean reduced to freezing and sea-level, 3o-oi9 



Annual range, 1-64 



*Air Temperature. In degrees Fahr. 



Highest, 93-0, July loth, 2:30 p. 



Lowest, . . • —13.0, Jan. 24th, 7:30 a. 



Mean, 45-8 



Mean of means of max. and min., 46.1 



Mean sensible (wet bulb), 41. i 



Annual range, 106.0 



Highest mean daily, 81.5, July i8th. 



Lowest mean daily, 1.7, Jan- 5th. 



Mean maximum, 57-i 



Mean minimum, 35.0 



Mean daily range, 22.1 



Greatest daily range, 45-o, June 9th 



Least daily range, 3.0, Jnne 12th. 



Humidity . 



Mean dew point, 37-3 



Mean force of vapor, 365 



Mean relative humidity, 76.5 



Wind. 



Prevailing direction, West 



Summary. 



West, Northwest, 13 per cent. 



South, Southwest, 11 " 



South 10 " " 



Northwest, 9 " " 



West 8 " 



Other directions, 49 " " 



Total movement, 46.442 m. 



Greatest daily movement, . . . 475 m., Jan. 4th. 



Least daily movement i m., June 22d. 



Mean daily movement, 127 m. 



Mean hourly velocity, 5-3 m- 



*Temperature in ground shelter. 



C. H. CHADWICK, 



Observer. 



Maximum pressure per square foot, 23.5 lbs.=69 

 m. per hour, Jan. 4th, 9 A., W.N.W. 



Precipitation. In inches. 

 Total precipitation, rain or melted snow, . 38.S0 

 Number of days on which .01 or more rain 



or melted snow fell, 122 



Snow total in inches, 40.0 



Weather. 



Mean cloudiness observed 49 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 1977 hrs.=44per cent. 



Number of clear days, 130 



Number of fair days, . . . .' 128 



Number of cloudy days, 107 



Bright Sunshine. 



Number of hours recorded, 2477 hrs.=56 per cent. 

 Dates of Frosts. 



Last, May 24th 



First ' Sept. 15th 



Dates of Snow. 



Last, May ist 



First Nov. 9th 



Total days of sleighing, 64 



Gales of SO or More Miles Per Hour, 



Jan. 4th, 69 m., N.N.W. ; 7th, 52 m., E.S.E. ; 



25th, 60 m., N.N.W.; 26th, 50 m., N.W. 

 Feb. i8th, 60 m., W. 

 Mar. 19, 57 m., N.E. 

 Apr. 17, 60 m., W. 

 Dec. 30, 53 m., W. 



J. E. OSTRANDER, 



Meteorologist. 



