BULLETIN No. 43 1. 



.F.S I", WI/\:do. 



NOVEMBER. 1924 



Meteorological Observations 



AT THE 



MASSACHUSETTS 



ACKICULTUIUL EXrElllMENT 



STATION. 



Latitude, 42° 23' 48,5" N. Longitude 72* 31' 10" W. 



fleight of barometer above ground, ji ft. Above sea level, 27J.5 ft. 

 Height oj Wind Instruments 1^2 ft. Time used, IphMer. 



MONTHLY SUMMARY. 



Prpssuie. In inches. 



Maximum reduced to freezing 30.27, gth, 9 A. 

 Minimum reduced to freezing, 2S.90, .23rd 5 a. 

 Reduced maximum reading, 30.58, gth, 9 A. 

 Reduced minimum reading, 29.23, 23d, 5 A. 



Mean semi-daily reduced 30060 



Montlily range 1.38 



Air Temperature. In Degrees Fahr. 



Highest 750, ist 2:30 p., 



7th. 3 p. 



Lowest 4 5, 19th, 7:30 A. 



Mean liourly 40.5 



Mean of means of max. and min 40.5 



Mean sensible (wet bulb) 33 S 



Monthly range 70.5 



Highest mean daily . . . . ' 59.7, 7th 



Lowest mean daily 19.2, 17th 



Mean maximum 51.5 



Mean minimum 29.5 



Mean daily range 22.0 



Greatest daily range 36.5, iith,;igth 



Least daily range 6.5,24th 



Wind, 



Total movement 



4779m 



Greatest daily movement 494m, 17th 



Least daily movement 3om,ioth 



Mean daily movement 159m 



Mean hourly velocity 6.6ni 



Maximum pressure per square foot, 15.0 lbs = 



55m per hour, 17th, i A., N.N.W. 

 Maximum velocity for 5 minutes, 30m per 



hour, 17th, I A., N.N.W. 

 Prevailing direction. West Southwest. 



Summary. 



South Southwest 27 per cent 



North Northwest 13 " " 



South 10 " " 



Othei directions So " " 



Weather. 



Mean cloudiness observed .... 44 per cent 

 Total cloudiness recorded by the Sun 



Thermometer . , 163 hours = 55 per cent. 



Number of clear days 6 



Number of fair days ii 



Number of cloudy days 13 



Hnmidity. 



Mean dew point 28.1 



Mean force of vapor 238 



Mean relative hnmidity 70 9Kain. 12th, 14th. 15th, 22d, 23d, 24th, 30th 



Snow. 9th, 15th, 17th, 24th, 29th. 



Bright Sunshine. 



Number hours recorded, 135 = 45 per cent. 



Precipitation. In inches. 



Total precipitation, in inches 2.57 



Total snow, in inches 9.0 



Number of days on which .01 inch or more 



rain fell 5 



Days of sleighing 2 



Frosts before the 16th, 5th, loth, nth, 13th, 



15th. 

 Gales. 39m., 2d, N.N.W.; 44m.. 3d, N.N.W.; 



37m., 8th, N.; 36m, 14th, W.N.W.; 45ni-. 



j6th, N.W.: 55m., 17th, N.N.W.: 40m., 



22d, S.E. 



