256 
J. HOPKINSON-THE WEATHER 
October. March was a dry month, July rather dry, and 
September very dry; May and November were wet months, 
February, June, and December were very wet. Kain fell on 
few days in March and September, and on many days in 
February, April, May, August, and December. 
Table I .—Results of Climatological Observations taken in 
Hertfordshire in the Year 1910. 
Temperature of the Air 
Humidity 
Cloud, 0-10 
Rain 
Stations 
Means 
Extremes 
Amount 
(S'* 
p 
Mean 
Min. 
Max. 
Range 
Min. 
Max 
O 
O 
O 
O 
0 
0 
%• 
ins. 
Bennington . 
487 
41-9 
55'5 
13-6 
19-4 
78-5 
84 
7’9 
27-08 
190 
Berkhamsted .... 
48 6 
41-3 
55-8 
i 4'5 
i6’2 
78-9 
84 
77 
31-39 
186 
1 St. Albans. 
a8-8 
42'2 
55‘4 
13-2 
19-3 
81-8 
83 
77 
31-55 
204 
Ware. 
48-8 
41 ’2 
56-2 
15-2 
i8 - o 
80 6 
81 
67 
24-81 
174 
County. 
487 
417 
55'8 
i 4 ‘i 
16-2 
81*1 
83 
7*5 
28-71 
189 
Table II. — Means of Climatological Observations (with Extremes 
of Temperature ) for the Year 1910. 
Months 
Temperature of the Air 
Humidity 
Cloud, 0-10 
Rain 
Means 
Extremes 
Amount 
to 
OS 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
Q 
O 
O 
O 
0 
% 
ins. 
Jan. 
38-2 
33-i 
43 - 4 
10-3 
16-2 
53-8 
90 
! 7-1 
178 
16 
Feb. 
40-7 
34-8 
j 45'5 
11-7 
24-3 
55*3 
88 
69 
! 3"IO 
22 
March . 
42-2 
347 
! 50-1 
15-8 
25-0 
56-3 
82 
j 5’9 
•97 
IO 
April .... 
45-8 
38-0 
53-6 
15-6 
22*0 
64-2 
76 
8-o 
1-63 
18 
May. 
52-8 
44-0 
61 "6 
17-6 
27-5 
11 ' 3 
77 
7-3 
2-37 
19 
June. 
59’4 
50-6 
68-i 
i7*5 
41 'I 
Si-i 
76 
7-8 
3"43 
12 
July. 
57-9 
50-9 
64-9 
14-0 
42-0 
75’2 
79 
8-8 
1-86 
12 
August. 
60-i 
52-4 
67-9 
15*5 
43*2 
74*3 
78 
7‘4 
2-31 
19 
Sept. 
55-i 
47'3 
62-8 
i5‘5 
34*9 
74‘4 
81 
7-0 
■64 
7 
Oct. 
527 
467 
58-2 
11 9 
34’5 
7i-7 
90 
8-9 
2-36 
15 
Nov. 
37-5 
3° *5 
44 - 5 
14-0 
19-8 
557 
89 
6-6 
3M6 
16 
Dec. 
42-8 
38-2 
47*4 
9-2 
25-0 
55-2 
92 
8-o 
4-82 
23 
Year .... 
48-7 
417 
55-8 
14T 
16-2 
81 -i 
83 
7-5 
i>. 
00 
189 
The winter of 1909-10 (Dec. to Feb.) was very mild, owing 
more to the warmth of the days than of the nights, the mean 
daily range of temperature being considerable. The air was of 
average humidity and the sky was rather bright. The rainfall 
was very heavy and frequent. 
The spring (March to May) was rather warm, owing more to 
the warmth of the nights than of the days, the mean daily range 
