: Jan’y. ray Mareh | April, 
FTECENWIE. 
Hours of observation, 1 A. bet 2 and 9 ©. M. 
pister for ten years ; rE in Boston, (ate) ; Lat. 429 21 N.; Long. 71° 4’ W. from 
“AIISLDIT PDNLIWOULLIY, J, 
an Years. May. | June. Tay] Aug. | Sept. | Oct. Nov. 
4 1820 22.88)31.09|35.27/44.94/55.19|66.40 75,34/70.29/64.71/50.11137.75 
| 1821 20.58/32.53/34.03/43.58156 03/66.52168.22 71.50/63.24|50.24|40.64,.2 
| 1822. 23.28/28.30:38.70/45.15|61 37\( 6.72 72.92/68. 16:66.4'7152.23 44.25 
1823 26.72|22.71|33.57|46.68/53.76165.09|70,87 70.45}58.85|/50.17/36.41 
1824 30.30/29.31/35.76!47.76|55.12'64.94'71.26167.20'62.91151.79|39.83'3 
1825 98.70/31.5 0,04/48.77 56.98'69.82/77.61169.44160.18 53.11'39.76 
1826 29.02/30.92 get 43.56|63.59|67.96,72.92'69.87/64.56 51.87/40.6 62 
| 1827 22.64|28.95'37.38150.33'56.90166.01 71.76\68.97/62.54'52 99'34.99 
be ~ 1828 31.91137.51/37.69144.19156.90/70.10173.58/74.09'64.39151 05/43.67|36.29 : 
| 1829 26.23)|23.11|32 33/46 40/59.88|/66.50\69.64/68.96)58.26 49.97|40.78|37.40 48.29. 
| Mean. 26.23/29°57|36,14146.13157.57167.00'72.41/69.89 62.6015 1.35/39.87/32.38 49.26 
Lo owest, January 25th, 1821; and Poe Ist, 1826—12° below zero. 
Highest, aly 1ith ina 12th, 1825—102 
b9% 
