TAKEN IN HERTFORDSHIRE IN 1902 . 
217 
Table YI. — Climatological Observations taken at Bosebank, 
Berkhamsted. Latitude : 51° 45' 40" 17. Longitude : 
0° 33' 30" W. Altitude : 400 feet. Observer: Edward 
Mawley, E. B.Met. Soc. 
Months 
Temperature of the Air 
Humidity 
Cloud, 0-10 
Rain 
Means 
Extremes 
Amount 
Days 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
O 
O 
O 
0 
0 
0 
% 
ins. 
Jan. 
40-4 
35'3 
45*5 
10-2 
21*1 
52*2 
89 
7'9 
•81 
8 
Feb. 
34‘4 
29*2 
39‘5 
io*3 
I4-0 
52-2 
95 
7-6 
1-41 
14 
March . 
44‘2 
36-3 
52 - 2 
159 
247 
62-0 
86 
77 
i‘59 
13 
April. 
45 - 8 
36*4 
55’2 
18*8 
29*0 
65 *o 
73 
6-6 
•91 
13 
May. 
48-4 
397 
57-o 
177 
287 
70-0 
74 
79 
2’20 
21 
June. 
567 
47*8 
657 
17*9 
34‘i 
82*9 
73 
7-2 
270 
17 
July. 
597 
49-6 
69-8 
20*2 
38-4 
83-9 
68 
6-5 
1-05 
10 
August. 
58-9 
49’9 
67-9 
18*0 
42*2 
77’2 
79 
77 
3*4° 
19 
Sept. 
557 
46 - 2 
65-2 
19*0 
34'4 
73’4 
80 
5-6 
•64 
7 
Oct. 
48 9 
42-1 
55*6 
13-5 
3 0 ' 1 
64 *0 
88 
8-3 
1-65 
15 
Nov. 
43'4 
377 
49'2 
n-5 
25-8 
61 -6 
94 
8-9 
2*26 
i5 
Dec. 
39‘9 
35’9 
43 9 
8'o 
21*0 
557 
89 
7*8 
1 '49 
15 
Year . 
48-0 
40-5 
55*6 
i5-i 
i4’o 
83'9 
82 
7\5 
20*11 
167 
Table VII. — Other Meteorological Observations taken at Berk¬ 
hamsted by Mr. Mawley. 
Months 
Pressure 
of the 
atmo¬ 
sphere 
Temperature at 9 a.m. 
Day 
s of 
Bright Sunshine 
of the 
air 
of 
evapo¬ 
ration 
of the soil 
clear 
sky 
over¬ 
cast 
Total 
hours 
Max. in 
one day 
Sun¬ 
less 
days 
at 1 ft. 
at 2 ft. 
ins. 
O 
0 
O 
0 
Jan. 
30*173 
38*6 
37*3 
39'4 
40*9 
3 
16 
53 
6*6 
13 
Feb.. 
29*886 
32*0 
31*6 
34*6 
36*6 
5 
17 
52 
6*9 
13 
March 
•857 
42*8 
41*0 
42*8 
43 - 2 
3 
99 
8*8 
7 
April. 
•966 
47*0 
43’ 1 
47'4 
47'3 
5 
10 
152 
I3-3 
2 
May. 
•984 
487 
44’8 
5o-9 
50*8 
0 
12 
157 
ii*6 
4 
June. 
•929 
58-3 
53*8 
59*3 
57-8 
5 
11 
164 
14*1 
5 
July. 
30*044 
60 *8 
55‘2 
63*6 
63A 
5 
8 
178 
I3-5 
2 
August 
29*943 
59’3 
55 *8 
61 *3 
61 *4 
10 
133 
10*5 
3 
Sept. 
30*087 
56*2 
53-i 
58*5 
59-8 
10 
9 
159 
io*6 
1 
Oct. 
•003 
48*9 
47*2 
507 
52*8 
3 
16 
65 
8*5 
7 
Nov.. 
29*901 
42*6 
41*9 
44*6 
47’i 
0 
16 
42 
6*3 
14, 
Dec. 
30*062 
39’4 
38*1 
40*1 
42*2 
2 
19 
3i 
5*4 
19 
Year 
29*986 
47‘9 
45'2 
49'4 
50-3 
39 
154 
1285 
14*1 
90 
