Annual Summary for 1908. 



Pressure. 



Maximum reduced to freezing, 



Minimum reduced to freezing 



Maximum reduced to freezing and sea-level, . - 

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



Mean reduced to freezing and sea-level, 



Annual range, 



In inches. 



30.49, Feb. 9, S A. 

 28. 56. Jan. S, I A. 



30.83, Feb. 9, 8 A. 



28. 86, Jan. 8, i a. 



30-044 



1.97 



*Air Temperature. In degrees Falir. 



Highest, 96.0, July 12, 1:30 p. 



Lowest, . . • —12.0, Feb. 5, 7 A- 



Mean, 47-6 



Mean of means of max. and min., 4S.0 



Mean sensible (wet bulb) , 42-6 



Annual range, loS.o 



Highest mean daily, 80.0, July 7. 



Lowest mean daily, . •. 0.3, Feb. 5. 



Mean maximum 59-i 



Mean minimum, 36-9 



Mean daily range, 22.1 



Greatest daily range 49-°. Oct. 17. 



Least daily range, 4.0, Nov. 11. 



Humidity . 



Mean dew point, 38.5 



Mean force of vapor 387 



Mean relative humidity, 75-8 



Wind. 



Prevailing direction. 



West Southwest 



Summary. 



South, Southwest 9 per cent. 



West II " 



South, Southeast, 9 " 



Southwest, 9 '■ 



South II " 



West, Northwest n " 



Other directions, 4° " 



Total movement 63.571 ni. 



Greatest daily movement, . . . . 594ni., Feb. 2. 



Least daily movement, 10 m., Oct. 16. 



Mean daily movement i74 in- 

 Mean hourly velocity, 7-2 m. 



^Temperature in ground shelter. 



R. C. LINDBLAD, 



Odsen'er. 



Maximum pressure per square foot, 30.0 lbs.=8o 

 m. per hour, Apr. 11, 6 p., N.N.W. 



Maximum velocity for 5 minutes, 48 m. per 

 hour, July 18, 12 M. S.S.W. 



frecipitation. In inches. 



Total precipitation, rain or melted snow, . 30.6S 

 Number of days on which .0: or more rain 



or melted snow fell, 109 



Snow total in inches, ... .38.5 



Weather. 



Mean cloudiness observed 41 per cent. 



Total cloudiness recorded by .Sun Thermom- 

 eter, 1 71 1 hrs. =39 per cent. 



Number of clear days, 143 



Number of fair days, 130 



Number of cloudy days, 93 



JirUjht Sunshine. 



Numter of hours recorded, 2743 hrs.^61 per cent. 

 Dates of Frosts. 



Last June 3d 



First Sept. i6th 



Dates of Snow. 



Last April 20th 



First Nov. 3d 



Total days of sleighing, 41 



Gales of 50 or More Miles fer Hour. 



Jan. 22d, 53 m., W. N. W.; 27th, 56m., S.W. 

 Feb. 2d, 68 m., N. W.; 7th, 51 m., N.N.W. 

 April 9th. 67 m., W. N. W.; nth, 80m., N.N.W.; 



i2th, 55 m.; N.N.W. 

 May 2d. 51 m., S. 



J. E. OSTRANDER, 



Meteorologist. 



