Annual Summary for 1902. 



Pressure. In inches. 



Maximum reduced to freezing, 30.42, Dec. 15th, lo A. 



Minimum reduced to freezing, • . 28.54, Feb. 17th, 11 P. 



Maximum reduced to freezing and sea^level 30.75, Dec. 15th, 10 A. 



Minimum reduced to freezing and sea-level, 28.S6, Feb. 2d, 6 p., 17th, 11 p. 



Mean reduced to freezing and sea-level, 29.954 



Annual range, 1.89 



*Air Temperature. In degrees Fahr. 



Highest, gi.o, May 23d, 4 p. 



Lowest, . . • — 15.0, Dec. loth, i a. 



Mean, 47.3 



Mean of means of max. and min 47.2 



Mean sensible (wet bulb) , 43.1 



Annual range, 106.0 



Highest mean daily 79.0, July 9th. 



Lowest mean daily, — 6.0, Dec. 9th. 



Mean maximum 57.6 



Mean minimum, 36.9 



Mean daily range, 20.7 



Greatest daily range, ..... 54.0, Dec. 10th. 

 Least daily range, 3.0 Nov. 27th. 



Hutnldlty . 



Mean dew point 37.7 



Mean force of vapor, 402 



Mean relative humidity, 71.6 



Wind. 



Prevailing direction, Northwest. 



Summary. 



West, 12 per cent. 



East, Northeast, 10 " " 



West, Southwest, 10 " " 



North, 9 " " 



Northwest, 9 " " 



Other directions, 50 " " 



Total movement, 4843S m. 



Greatest daily movement, . . . 596 m., :.Mar. 19th. 



Least daily movement 3 m., Dec. 7th. 



Mean daily movement, 132.7 m. 



Mean hourly velocity, 5.53 m. 



^Temperature in ground shelter. 



S. C. BACON, 



Obsen'er. 



Maximum pressure per square foot, 24.0 lbs.^69 

 m. per hour, Feb. 3d, 4 p. m., N.N.W.; Mar. 

 19th, 3 p, M., E.N.E. 



Precipitation. In inches. 

 Total precipitation, rain or melted snow, . 46.99 

 Number of days on which .01 or more rain 



or melted snow fell, 144 



Snow total in inches, 57.0 



Weather. 



Mean cloudiness observed, 60 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 2589=58 per cent. 



Number of clear days, 73 



Number of fair days, 113 



Number of cloudy days 179 



Br iff lit Sunshine. 



Number of hours recorded, . . 1864=42 per cent. 



Dates of Frosts. 



Last, May 14th. 



First, Sept. 6th. 



Dates of Snou'. 



Last, Apr. 2d. 



First, Oct. 29th. 



Total days of sleighing, 44 



Gales of SO or More Miles Per Hour. 



Feb. 60 m., 2d, N.N.W.; 69 ni, 3d, N.N.W., 



Mar. 6g m., 19th, E.N.E. 



Apr. 53 m., 27th, N. W. 



June 50 m., 3d, E.N.E.; 55 m., 26th, N. 



Dec. 50 m., 8th, W.S.W. 



J. E. OSTRANDER, 



Meteorolo^isf. 



