Annual Summary for 1899. 



Presstire. In inches. 



Maximum reduced to freezing 



Minimum reduced to freeezing, 



Maximum reduced to freezing and sea-level, 

 Minimum reduced to freezing and sea-level, 

 Mean reduced to freezing and sea-level, . . • 

 Annual range, 



. 30.57 Jan. 2, 9 A. 

 2S.79, Dec. 24, 8 p. 

 . 30.92, Jan. 2, 9 A. 

 29.10, Dec. 24, 8 P. 



30.011 



1.82 



*Air Temperature. In degrees Fahr. 



Highest, 93-0, June 5th, 3 p. 



Lowest, -21.5, Jan. 2d, 6 A. 



Mean, 4<^-8 



Mean of means of max. and min., 47.2 



Mean sensible (wet bulb) 43.7 



Annual range, ii4-5 



Highest mean daily Si. 5, June 6th 



Lowest mean daily, -0.5, Feb. nth 



Mean maximum, 57-8 



Mean minimum, 36.6 



Mean daily range, 21.2 



Greatest daily range, 47.0, April 29 



Least daily range, 4.5, Mar. 15th, Nov. 15th. Dec- 



5th. 



Humiditi/. 



Mean dew point 40.1 



Mean force of vapor, 420 



Mean relative humidity, 75.6 



Wind. 



Prevailing direction, West, south west 



Summary. 



Nortli, iS per cent. 



North west 15 " 



South south west 72 " 



South west, II 



South 10 



West 10 •' 



Other directions 24 " 



Total movement, 47110. m. 



Greatest daily movement 449. Feb. 13th 



Least daily movement, 4. Dec. 18th 



Mean daily movement, 129. 



Mean hourly velocity 3.2 



♦Temperature in ground shelter. 



Maximum pressure per square foot, 22 lbs, =66 

 m. per hour. Mar. 7th, 12 m. ; N. E. 



I'recipitation. In inches. 

 Total precipitation, rain or melted snow, . 41.49 

 Number of days on which .01 or more rain 



or melted snow fell, no 



Snow total in inches 52 



Weatlier, 



Mean cloudiness observed, 54 per cent 



Total cloudiness recorded by Sun Thermom- 

 eter, . 2210 hrs, =50 per cent 



Number of clear days, 81 



Number of fair days, 139 



No. of cloudy days, 135 



Briffht SimsUine. 



Number of hours recorded. 2245 hrs. =50 per cent 



Dates of -Frosts. 



Last May 4th 



First, • Sept. 14th 



Dates of Snow. 



Last, April 16th 



First Nov. 12th 



Total days of sleighing 51 



Gales of 50 or More Miles I'er Hour. 



Jan. 52 m.. 7tli. N. W: 60 m. i^th, N. W. : 64 m. 



27th. N. W. 

 Feb. 51 m., 10th, W ; 55 m., 13th, N. 

 Mar. 66 m., 7th, ,N. E: 62 m.. 20th, N. : 61 m.. 



29th, N. VV.; 53 m., 30th, W. 

 Dec. 56 m., i2th. S. W. 



]. E. OSTRANDER. Meteorolooist. 



A. A. MONAHAN, Observer. 



