12 
REPORT OF THE 
METEOEOLOGICAL EEGISTEE, YOEK, 1857. 
BAROMETER. 
RAIN. 
THERMOMETER. 
Frosts. 
Prevailing "Wind. 
1 
Higbest. 
Lowest. 
Mean. 
Inches. 
Days. 
Average Max. 
Average Min. 
Mean Temp. 
Highest. 
Lowest. 
Jan. 
30-410 
28-926 
29-692 
25-8 
10 
' 37-9 
29-7 
33-8 
48 
17-5 
' 21 
S. W. 
Feb. 
30-538 
29-452 
29-962 
0-58 
10 
'40-7 
31-0 
35-8 
49 
17 
14 
? 
Mar. 
30-590 
28-846 
29-771 
2-13 
16 
43-8 
35-6 
39-7 
56 
27 
10 
N. E. 
April 
30-252 
28-936 
29-690 
2-75 
15 
50-1 
37-6 
43-8 
65 
28 
7 
N. E. 
May 
30-342 
29-444 
29-742 
1-47 
10 
57-0 
43-2 
50-1 
66-5 
32 
1 
N. E. 
June 
30-502 
29-430 
29-933 
2-73 
10 
67-9 
49-3 
58-6 
83-5 
37 
0 
Various. 
July 
30-362 
29-644 
29-853 
2-96 
9 
68-2 
52-8 
■60-5 
78 
45 
0 
W. 
Aug. 
30-383 
29-710 
29-952 
6-59 
10 
68-0 
55-6 
61-8 
77 
55 
0 
E. 
Sep. 
30-520 
29-500 
29-843 
2-03 
13 
62-8 
50-4 
56-6 
70-5 
39-5 
S. TV. 
Oct. 
30-340 
29-068 
29-773 
1-19 
17 
56-3 
44-7 
50-5 
68 
33*5 
* ^ 
S. E. 
Not. 
30-790 
29-254 
30-064 
1-11 
16 
53-6 
46-8 
50-2 
55-5 
23 
I 8 
S. E. 
Dec. 
30-714 
29-600 
30-113 
0-32 
9 
50-5 
38-2 
44-4 
54 
25 
6 
i 
S. TV. 
26-44 
145 
48-8 
1 67 
Important improvements Eave been made in tbe Observa¬ 
tory. The object glass of tbe Telescope, presented by tbe 
Eev. Dr. Pearson, for wbicb tbe Observatory was built, was 
found, upon examination, to bave been altered so as to be out of 
form, and a new one having been suppbed by tbe liberality of 
one of tbe Curators of tbe Observatory, William Gray, Esq., 
it bas been remounted, in a new tube provided witb eye-pieces, 
and tbe instrument bas tbus been rendered very perfect. It bas 
been tested several times, and clearly shows tbe minute com¬ 
panion stars to a Ursse Minoris, a Lyree and /3 Orionis, and 
other stellar objects usually employed as tests of first-class 
instruments ; most of tbe satellites of Saturn bave been clearly 
seen; various double stars appear distinctly defined. Tbe 
Observatory has been repaired and painted, and in tbe course 
