Months. 1817 | 1818 |. 1819 | 1820 | 1821 | 1922 on 
January «te 21 1.1 ren ees 43| 23) 24. 
February Pear 2.0 4.0 - + 3.9 4.3) 33 
, Moses 
March --+ | sr] 45 {POS 46 | 24} Sa | 
April arr 2.771; 26 21 3.45] 321° 35 
May = { 88) 475 | 79 | 72 | 35 | ee 
June irre a6| 18 | 34 + 415 235) 36 
July o55| 8.251 3.47] 43 | 40] 36] #96 
105) 4.7| 42 29 | 19} 22] 3.82 
_ (September 42 4.4 1.95 41 |. 79 bs 45-45 
October 2.07 1.2 LoS 10.1 Al Zbet 3.8 
) | 1§ 1.4to } ‘aris 
‘November 5.85 | 3.45 } mead ee | OS TD 45 
‘December 36 |. 1.86 <2 <3 238 |. SB}: 146L..28 
'Inches 30.02 | 48.83] 3112 | 435 | 526 | 39.3 | 46. 
Dr. Darlington’s Pluviometrical Observations. 327 
Synopsis of Pluviometrical observations. 
Thus i it appears that the average quantity of water which 
fell in the time stated, was about forty-sea inches a year. 
The greatest quantity, 52.6 inches} ; Sine in 1821) and the 
least, in any entire year, 39.3 inches (in 1822.) The quan- 
tity, in 1819, was probably still less; Bains only 31.12 ineh- 
es from Jan. 1, to Nov. 
nd by my notes, that the Saeti of snow which fell, 
‘during the above periots was be follows 
In 1818, there wae snow 12. eqnal to. 1.7 of water. 
AS. 5.3 
“© 1819, (to Nov. 
“ 1820, (fom Mah 6.) - - 3 
“ 1821, Sn ee 
« 1822, mi = 22. ie 
snow 113. 12.6 water 
The water which _ in the form of snow, is included in 
the foregoing table 
he number of days of f falling weather, so called, (inclu- 
ding both rain and snow) in those years, is exhibited in the 
following table: by which it appears that the highest num- 
ber i : sant aS 1818) and the lowest, in any entire year, 84, 
(in The average number of days, on which there 
