METEOROLOGICAL OBSERVATORY 



llatcli Experiment Station, 



MASSACHUSETTS AGRICULTURAL COLLEGE, 



Latitude, 4->° 23' 48.5" N. Longitiule, 72* 31' 10" VV. 



Height of instruments above ground, 51 ft. Above sea level, 260 ft. 



BULLETIN No. 83. 



NOVEMBER, 1895. 



MONTHLY SUiVlMARY. 



I'ressure. In hiclies. 

 Actujil maximum reailing, . . :50.-13, 4tli,-.'Sth 

 Actual miiiinuim reading, . . 28.98, 20tli,-21st 



Mean reduced to sea level, 3(i.l87 



Monthly range 1.45 



*A.ir Tetnpernture. In Degrees Falir. 



Highest 69,8th; 11, TthandSthj 



Lowest, 22; 15, 22d 



Mean, 41.1 



.Monthly Range 47. ; 57. 



Ilighest mean daily 63.6, 



Lowest mean daily, 26.1, 



Mean maximum, 47.4; 



Mean minimum, .34.8; 



Mean daily range 12.6; 



Greatest daily range, .... 27. 2fith; 33. 



Least daily range, 4, 2d; 8, 



Iliiniiditij. 



Mean dew point, 



Mean force of vapor 



Mean relative humidity, 



Wind. 

 Prevailing Directions. 



North, 20 per c 



•South 13 " 



.North West, 17 " 



North North West, 10 " 



West, North West, 10 " 



Other directions, 30 " 



8th 

 22dS 

 .50.3 

 30.9 

 19.4 

 5th 

 2l8t 



34.4 

 .274 

 80.5 



ITotal movement, 41,56 ni. 



Greatest daily movement, . . . 402 ni., 2l8t 



Least daily movement, 21m.; 4th 



Mean daily movement, 138.5 m 



Mean hourly velocity 5.8 m . 



Maximum pressure per square foot, 22 lbs.= 

 67 m. per hour,21st, 10 a.m. 



* Precipitation . In inches. 



Total precipitation, 4.49,5.36 



Weather. 

 Mean (;loudiness observed, ... 61 per cent. 



Number of clear days, 5 



Numberof fair days, 11 



Number of cloiidj' diiys, 14 



Total cloudiness recorded by the Sun Ther- 



mometer, . . . 183 hours or 62.3 per cent. 

 Number of days on which .01 inch or more 



rain fell 13 



I Urifflit SntiKhine. 



Number of Hours recordeil, . . . Ill or 37. 7^6 

 Rain, 1st, 2d, 8th, 9th, lOth, 14th, l.Mh, 17th, 



20th, 21st, 22d, .'Sd, 24th, 25th, 26tli. 

 Oalfs, of 35 or more miles perhour, 46, 1st, 



N.W.; 35, 10th, N.W.; 67, 2lst, W.N.W.; 



,58, 26th, S.W.; 38,30th, N. 



Snoif, 3 in. 2d; 20th, 21st, a trace. 



Solar Ifalo, 22d. 



Lunar Halo, 1st. 



Rainhoir, ]5th. 



Verji hear}/ fog, 19th evening. 



Hail, 23d, 2.5th. 



*The first figui-es denote readings at top of tower, the second at base. 



