Annual Summary for 1925. 



Pressure. In inches. 



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, 



• 30-43. Jan. ist, 8 A. 



28.78. Nov. 13th, 10 A. 



. 30.76, Jan. 1st, 8 A. 

 29.08, Nov. 13th, 10 A. 

 30.022 



*Air Temperature. In degrees Fahr. 



Highest, 97.0, June 7th, 4:00 p. 



Lowest, -13.0, Jan. 29th, 4:00 A. 



Mean hourly, 47-6 



Mean of means of max. and min., 47-6 



Mean sensible (wet bulb) , 43-4 



Annual range, iio.o 



Highest mean daily 86.i, June 6th. 



Lowest mean daily, -o.i, Jan. 24th. 



Mean maximum 58-0 



Mean minimum, 37-2 



Mean daily range, 20.8 



Greatest daily range, 46.5. Mar. 26th. 



Least daily range, 4-o, Sept. i6th. 



Humidity. 



Mean dew point, 40.1 



Mean force of vapor, 380 



Mean relative humidity, 80.5 



Wind. 



Prevailing direction, West 



.Summary. 



South 15 per cent 



South Southwest 13 " " 



North II " " 



North Northeast 10 " " 



Southwest 10 " " 



West 10 " " 



Northwest 10 " " 



Other directions, 21 " " 



Total movement. 53.31 1 m 



Greatest daily movement, .... 682m.,Feb.27th 

 Least daily movement, .... 18 m., Feb. Sth 



Mean daily movement, 146 m 



Mean hourly velocity, 6.1 m 



Maximum pressure per square foot, 22.0 lbs.,= 



66 m. per hour, Oct. 25th. 10 p., W. 

 Maximum velocity for 5 minutes, 42 m. per 

 hour, Oct. 25th, 10 p., \V. 



Precipitation. In inches. 

 Total precipitation, rain or melted snow, . 44.63 



Snow total in inches, 34.5 



Number of days on which .01 or more rain 

 or melted snow fell, 130 



Weather. 



Mean cloudiness observed, 49 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 2100 hrs.^47 per cent. 



Number of clear days, 98 



Number of fair days 14! 



Number of cloudy days 126 



Bright Sunsliine- 



Number of hours recorded, 2361 hrs. =53 per cent 



Dates of Frosts. 



Last, May 26th 



First, Sept. 23rd 



Dates of Snow. 



Last, April 20th 



First Oct. 10th 



Total days of sleighing, 36 



Gales of 50 or More Miles Per Hour. 



Jan. 22d, 52m, N.N. W. 



Feb. 26th, 53m, W.N.W.; 27th, 53m, W.N.W. 



June ist, 51m, N.N.\\'. 



Oct. loth, 53m, N.W.; 25th, 66m, W.; 26th, 55m, 



N.W. 

 Nov. 13th, 59m, E.S.E.; i;th, 56m, S.; i6th, 



64m, S. 

 Dec. gth, 53m, W. 



Temperature in ground shelter. 



JAMES BOWER Jr. 

 Observer. 



E. OSTRANDER, 



MeteoroIos:ist. 



