Annual Summary for 1923. 



Pressure. 



Maximum reduced to freezing, 



Minimum reduced to freezing, 



Maximum reduced to freezing and sea-level, . . . 

 Minimum reduced to freezing and sea-level, . . . 

 Mean semi-daily reduced to freezing and sea-level 

 Annual range, 



*Air Temperature. In degrees Fahr. 



Highest, 97-0, June 19th. 3:00 p. 



Lewdest, —12.0, Jan. 31st, 6:00 a. 



Mean hourly, 46-6 



Mean of means of max. and min., 4^.S 



Mean sensible (wet bulb), 4i-4 



Annual range, i09-0 



Highest mean daily 81.7, June 20th 



Lowest mean daily, 3-8, Feb. iS 



Mean maximum, 58-5 



Mean minimum, 35-' 



Mean daily range 23.4 



Greatest daily range 49.o.Sept. 23rd. 



Least daily range, 3-5. Nov. 7th. 



Huuiidity. 



Mean dew point, 36-9 



Mean force of vapor, 369 



Mean relative humidity, 75-5 



Wind. 



Prevaihng direction, .... West, Northwest 



Summary. 



North 12 per cent 



North Northwest n " 



South 12 " 



South Southwest 12 " " 



Northwest 12 " " 



Other directions, 41 " " 



Total movement, 48,864 m 



Greatest daily movement, .... 40Sm., Mar.sth 

 Least daily movement, .... 18 m., Nov. i6th 



Mean daily movement, i34 m 



Mean hourly velocity, 5.6 m 



Maximum pressure per square foot, 22. 5 lbs.,= 



67 m. per hour, Apr. 29th. i a., S- S. W. 

 Maximum velocity for 5 minutes, 36 m. per 



hour. Mar. 28th, 2 p., W.N.W.: Apr. 29th, 



I A. S.S.W. 



In inches. 



30.52, Jan. 22nd, II A. 

 28.98. Dec. 28th, 12 M. 

 30.84, Jan. 22nd, II A. 

 29.29, Dec. 2Sth, 12 M. 



30.020 



1-55 



Precipitation. In inches. 

 Total precipitation, rain or melted snow, . 39.49 



Snow total in inches, 63.7 



Number of days on which .01 or more rain 

 or melted snow fell, 125 



Weather. 



Mean cloudiness observed, 4; per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 16S6 hrs.=38 per cent. 



Number of clear days, 141 



Number of fair days, 131 



Number of cloudy days 93 



Bright Sunshine- 

 Number of hours recorded, 2773 hrs.=62 per cent 



Dates of Frosts. 



Last • May 24th 



First, Sept. 15th 



Dates of Snow. 



Last, April 15th 



First Nov. 8th 



Total days of sleighing, 86 



Gales of 50 or More Miles Per Hour. 



54 m. Feb. 3d., N. \V. ; 52 m. Mar. 19th.. 

 W. N. W. ; 59 m, Mar. 28th. \V N. W. ; ;52 m. 

 Apr. 24th. N. ; 67 m. Apr. 29th, S. S. W. 



Temperature in ground shelter. 



H. H. SHEPARD 



Observer. 



J. E. OSTRANDER, 



Meteorolo£[isi. 



