12 
REPORT or THE 
making a range of 62® in the year. The highest temperature 
of the last 18 years was 87® in July, 1852. The lowest in that 
time was 4®, December, 1860, making a range of 91 degrees. 
The fluctuations of the mercurial column have been great in 
the past year, varying from 28’3 inches to 30*7, making a range 
of 2*4 inches. 
The amount of rain for the year 1865, viz., 23*19 inches was 
nearly a mean quantity. September registered only 0*23 inch, 
less than the fall of that month in any year during the last 
thirty-four years. August, on the other hand, registered 5*28, 
the largest quantity for that month, with two exceptions, in the 
period above named. These exceptions were 6*59 inches in 
1857, and 6*21 in 1845. The mean rain-fall for York of the 
twenty years ending December 31st, 1865, was 23*395 inches. 
The least fall in that time was 17*89 inches in 1850, and the 
greatest 36*02, making a range of 18 inches. 
In the last ten years the greatest average fall of rain has 
occurred in August, viz., 3*3 inches—^the least in February, viz., 
1*2 inches. 
METEOEOLODICAL EEDISTEE, YOEK, 1865. 
BAROMETER. 
RAIN. 
THERMOMETER. 
Prevailing Wind. 
Highest. 
Lowest. 
Mean. 
Inches. 
Days. 
Average Max. 
Average Min. 
Mean. 
Highest. 
Lowest. 
Jan. 
30T60 
28-330 
29-439 
1-07 
12 
39-9 
30-6 
40-3 
52 
20 
S.W. 
Feb. 
30-612 
28-770 
29-766 
1-55 
12 
38-5 
30-0 
34-3 
50 
19 
S.W. 
Mar. 
30-281 
29-112 
29-825 
1-18 
19 
41-5 
31-5 
35-5 
51 
26 
N. E. 
April 
30-405 
29-890 
30-071 
1-51 
8 
58-5 
42-4 
49-0 
70 
33 
E. 
May 
30-389 
29-436 
29-789 
1-91 
18 
60-9 
47-6 
54-3 
74 
33 
S.W. 
June 
30-519 
29-514 
30-110 
1-09 
4 
68-7 
52-1 
60-4 
78 
40 
N. E. 
July 
30-364 
29-588 
29-809 
1-82 
16 
71-2 
54-8 
63-0 
81 
45 
S.W. 
Aug. 
30-318 
29-388 
29-750 
5-28 
19 
66-0 
52-7 
59-4 
73 
45 
w. 
Sept. 
30-580 
29-870 
30-141 
0-23 
3 
68-7 
53-1 
60-9 
77 
43 
S.W. 
Oct. 
30-308 
28-880 
29-519 
4-43 
16 
54-8 
42-8 
48-8 
64 
27 
E. 
Nov. 
30-500 
28-549 
29-769 
2-06 
16 
48-4 
37-2 
42-8 
59 
28 
N.W. 
Dec. 
30-726 
28-966 
30-129 
1-06 
7 
45-1 
35-4 
40-2 
53 
31 
S. E. 
30-726 
28-330 
29-843 
23-19 
150 
55-1 
42-5 
49-07 
81 
19 
