Annual Summary for 1913. 



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 reduced to freezing and sea-level, . . . 

 Annual range, 



30.56, Mar. iSth, 8 a. 



28.25. Jan. 3rd, 6 p. 



. 30.88, Mar. i8th, 8 A. 



. 28.55, Jan. 3rd, 6 p. 



30-037 



2.33 



*Air Temperature. In degrees Fahr. 



Highest, loo.o, July ist,3 P. 



Lowest, — 4.5, Feb. loth, 7:30 a. 



Mean hourly, 49.3 



Mean of means of max. and min., 49.6 



Mean sensible (wet bulb) , 44.2 



Annual range, 104.5 



Highest mean daily 81.8, Julyi 



Lowest mean daily, 7.1, Feb. 10 



Mean maximum 60.3 



Mean minimum, 38.9 



Mean daily range, 21.4 



Greatest daily range, 45.0, July 10 



Least daily range, 3.5, Nov. 16 



Humidity. 



Mean dew point, 40.1 



Mean force of vapor, 397 



Mean relative humidity, 75.7 



Wind. 



Prevailing direction, West 



Summary. 



Northwest, 11 per cent. 



South, 13 " " 



North Northwest, 9 " " 



Other directions, 67 " " 



Total movement, 55.i2o m 



Greatest daily movement, 642 m., Jan. 4 



Least daily movement 9 m., Sept. 5 



Mean daily movement, 151 m 



Mean hourly velocity, 6.3 m 



♦Temperature in ground shelter. 



Maximum pressure per square foot, 27.0 lbs.^73 

 m. per hour, July 23rd, 5 p., S.S.W. 



Maximum velocity for 5 minutes, 48 m. per 

 hour, Jan. 3rd, 3 P., S.W.; Mar. 27th, 9 P.,W. 



Precipita iou. In inches. 

 Total precipitation, rain or melted snow, . 39.50 

 Number of days on which .01 or more rain 



or melted snow fell, 135 



Snow total in inches, 26.5 



Weather. 



Mean cloudiness observed, 50 per cent. 



Total cloudiness recorded by Sun Thermom- 

 eter, 2031 hrs.^46 per cent. 



Number of clear days, 105 



Number of fair days, . . 144 



Number of cloudy days, 116 



Bright Sunshine- 

 Number of hours recorded,2423 hrs.^54 per cent 



Dates of Frosts. 



Last, May 15th 



First, Sept. loth 



Dates of Snow. 



Last, April 9th 



First, Oct. 31st 



Total days of sleighing, .... 23 



Gales of 50 or More Miles Per Hour. 



Jan. 3d, 6om., S.W.; 4th, 54m., S.W.; i8th, 58m., 

 W.S.W.; Feb. ist, 52m., W.N.W.; 12th, 50m., 

 W.N.W.; Mar. 20th, 64m, W.N.W.; 31st, 

 68m, S.W.; Apr. ist, 58111, VV.N.W.; July 23d, 

 73m, S.S.W.; Oct. 14th, 68m, N.N.E.; 

 Nov. gth, 53m, S.E. 23d, 54ni, N. W. 



E. K. DEXTER, 



Observer. 



J. E. OSTRANDER, 



Meteorologist. 



