XVII 
YORK (MUSEUM) 1915 . 
BRIGHT 
SUNSHINE. 
Barometer at Mean Sea 
Level 
Year. 
Daily* 
Mean. 
Absolute. 
.rercentag-e. 
1915. 
1915. 
1914. 
Highest. 
Date. 
Lowest, 
Date. 
Hours. 
% 
% 
Millibars. 
Millibars. 
January 
0;77 
10 
9 
1032-5 
18th. 
9 
p.m. 
9702 
1st, 
9 
p.m. 
Iebruary 
j 
1-71 
18 
22 
1030-1 
25th, 
9 
p.m. 
974-9 
13th. 
9 
p.m. 
March 
3-35 
29 
25 
1032-8 
9th, 
9 
a.m. 
993-2 
1st, 
9 
a.m. 
April 
4-93 
35 
48 
1032 5 
27th. 
9 
p.m. 
985-1 
7 th. 
9 
a.m. 
May 
5-90 
37 
27 
1035-9 
9 th, 
9 
p.m. 
1006-8 
1st, 
9 
p.m. 
June 
6-70 
40 
45 
1028-4 
13th. 
9 
p.m. 
1006-4 
29th, 
9 
a.m. 
July 
4-77 
29 
28 
1023-0 
1st, 
2nd, 
9 
p.m. 
995-2 
17th, 
9 
a.m. 
9 
a.m. 
Aug’ust 
5-00 
34 
35 
1026-1 
22nd, 
9 
p.m. 
1000-7 
2nd, 
9 
p.m. 
September 
5-43 
43 
46 
1029-8 
10th, 
9 
a.m. 
994 6 
26th, 
9 
am. 
October 
1-90 
18 
25 
1030-1 
19th, 
9 
a.m. 
997-9 
28th. 
9 
a.m. 
25th, 
9 
p.m. 
26th, 
9 
a.m. 
November 
2-47 
29 
16 
1043-3 
20th. 
9 
p.m. 
977-3 
12th, 
9 
p.m. 
December 
0-97 
13 
12 
1032'2 
19th, 
9 
a.m. 
974-2 
6th. 
9 
a.m. 
Year 
3*66 
30 
31 
1043-3 
November 
20th, 9 p.m. 
970-2 
Januuary 
1st, 9 p.m. 
The Barometer reading’s are expressed in millibars (1000 millibars = 29'531 mercury inches). 
*For Monthly Totals see Form 370. 
b 
