Annual Summary for 1922. 



Pressure. In inches. 



Maximum reduced to freezing, 30-36, Jan. 25th, 10 A. 



Minimum reduced to freezing • 2S.60. Oct. nth, 12 P. 



Maximum reduced to freezing and sea-level, 30-7o, Jan. 25th, 10 a. 



Minimum reduced to freezing and sea-level, 2S.92, Oct. nth, 121'. 



Mean semi-daily reduced to freezing and sea-level, 30-058 



Annual range, . . , 1.78 



*Air Temperature. In degrees Falir. 



Highest, 94.0, July i2th, 4:00 P. 



Lowest, — 13-5, Feb. 18th, 7:30 A. 



Mean hourly, 47-2 



Mean of means of max. and min., 47. S 



Mean sensible (wet bulb) , 43-° 



Annual range, • 107.5 



Highest mean daily 76.7, Aug. 16 



Lowest mean daily, — 0.8, Feb. 17 



Mean maximum, 58-3 



Mean minimum, 37-3 



Mean daily range, 21.0 



Greatest daily range, 43-5. Apr. 10 



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



Huinitlity. 



Mean dew point, 3'5-2 



Mean force of vapor 380 



Mean relative humidity, 78-7 



Wind. 



Prevailing direction, West 



Summary. 



South Southwest 19 per cent 



Northwest 12 " 



North 10 " " 



West Northwest 10 " " 



Southwest 10 " " 



Other directions, 39 " " 



Total movement, 49.970 m 



Greatest daily movement 467 m., Dec. 6 



Least daily movement, 12 ni., Jan. 17 



Mean daily movement, 137 m 



Mean hourly velocity 5-7 n: 



Maximum pressure per square foot, 30.0 lbs., = 



78 111. per hour, Jan. 22d, 12 m., VV. 

 Maximum velocity for 5 minutes, 42 m. per 



hour, Jan. 22d, 12 M., \V.; June 12th, 2 i'., 



W.N.W. 



Temperature in ground shelter. 



Precipitation. In inches. 

 Total precipitation, rain or melted snow, . 45.94 



Snow total in inches, 58S 



Number of days on which .01 or more rain 

 or melted snow fell, 120 



Weather. 



Mean cloudiness observed 45 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 1932 hrs. ^43 per cent. 



Number of clear days, 117 



Number of fair days, 127 



Number of cloudy days 121 



Bright Sunshine- 

 Number of hours recorded, 2522 hrs.:=57 per cent. 



Daes of Frosts. 



Last, May i2tli 



First Sept. 19th 



Sates of Snow. 



Last April 23d 



First, Nov. 24th 



Total days of sleighing, 74 



Gales of 50 or More Miles Per Hour. 



Jan. 22d, 7Sm., W.; Mar. 7th, 63111., S.: April 2otli, 

 53111., W.N.W.; June 12th, 56m., W.X.W.; 

 July Sth, S7ni., S.S.W.: Dec. 29th, 57m., N. 



G. E. LINDSKOG, 



Observer. 



J. E. OSTRANDER, 



Meteorologist. 



