METEOROLOGICAL TABLES. 399 



CLIMATE OF BOSTON AND ITS VICINITY. 



The Boston Traveller for March 23 contains a very elaborate communication on mete- 

 orological subjects, understood to be from the pen of R. T. Paine. Esq., who is well known 

 as a diligent and accurate observer. The following are extracts from his paper. 



Temperature in 1849, at Boston. Amherst, and Cambridge, Mass., 



and Greenwich, England. 



The mean temperature of each month in 1849, in Boston (lat. 42- 21'), at the observa- 

 tories at Amherst and Cambridge, Mass., and at that of Greenwich, were as follows: 

 Amherst and Cambridge being situated about 75 and 4 miles westerly from us, in latitudes 

 exceeding our o\vn by 1 and 2~minutes only ; but that of Greenwich (51 29') is more than 

 nine degrees greater. 



Jan. Feb. Mar. Apr. May. June. 



Boston, . 24%2 2289 3322 4539 5365 6757 



Amherst, . . . 20.02 13.50 35.37 43.49 53.42 63.63 



Cambridge, . . 21.05 18.20 35.80 43.50 53.00 67.60 



Greenwich, . . 40.10 43.2 42.5 43.2 54.0 57.9 



July. Aug. Sept. Oct. Nov. Dec. Year. 



Boston, . 7110 69^32 6217 5127 4760 3l67 4393 



Amherst, . . . 72.09 G3.S5 60.05 47.03 44.03 23.40 46.65 



Cambridge, . . 71.60 69.20 60.00 49.20 45.00 28.90 47.04 



Greenwich, . . 62.1 62.9 53.8 51.1 44.1 39.1 49.92 



The quantity of rain, including melted snow, was as follows, in inches : 



Jan. Feb. Mar. Apr. May. June. 



Amherst, . . . 0.99 0.99 4.21 2.24 3.61 1.53 



Cambridge, . . 0.72 1.46 6.90 1.24 2.76 1.37 



Greenwich, . . 1.59 2.20 0.45 2.20 3.90 0.20 



July. Aug. Sept. Oct. Nov. Dec. Year. 



Amherst, . . . 2.25 7.86 1.40 6.36 3.65 3.36 43.45 



Cambridge, . . 1.17 6.52 213 7.56 5.43 3.73 41.04 



Greenwich, . . 2.90 0.45 3.30 2.70 1.55 2.4C 23.84 



The quantity of snow in each month was, in inches, at 



Jan. Feb. Mar. Apr. Dec. Year. 



Boston, . . 0.5 8.5 1.0 0.2 4.0 14.2 



Amherst, . . 3.0 13.0 10.0 2.5 14.0 42.5 



Boston. Amherst. Cambridge. Greenwich. 



Thermometer highest, July 13, 96* July 13, 93 July 13, 9S July, 841 

 lowest, Jan. 11, 1 Feb. 20, 10 Feb. 20, 7 Dec. 23, 18.8 



Range in 1849, 97J 103 105 65} 



At Boston, on June 22, thermometer 95^; at Philadelphia, 102 ; and above 90 for nine 

 hours in Brooklyn, N. Y. 



At the celebrated Franconia (lat. 44 10'), at the foot of, and surrounded by, the White 

 Mountains, the thermometer rose on July 13 to 102, or about 140 higher than on the 6th 

 of February following. 



In Boston, on the 20th of February, 1349 (the coldest morning at Cambridge), the ther- 

 mometer stood at ; and at Cambridge, on Jan. 11, 4f. 



Boston. Greenwich. 



In 1349, barometer highest, Feb. 27-23, 30.90 Feb. 11, . . 30.91 

 lowest, Dec. 23, 29.02 Sept. 12, . . . 29.07 



Range, . . .1.83 1.84 



The altitudeof the barometer at Greenwich, on Feb. 11, was as high as has been observed 

 there within the last 71 years. "In Dec., 1778, the reduced reading was 30.90." More- 

 over, "the average reading at Greenwich from the 1st till the 18th of February was 30.55; 

 or fully half an inch above its average value." In Boston, this very great addition to the 

 usual weight of the atmosphere began on Feb. 13, the day it ended at Greenwich, and 

 continued also 17 days, till the 7th of March ; the mean reduced altituds of the barome- 



