TAKEN IN HERTFORDSHIRE IN 1901. 
153 
Table Till .— Climatological Observations taken at the Hertford¬ 
shire County Museum, St. Albans. Latitude: 51° 45' 15" 1ST. 
Longitude: 0° 19' 56" W. Altitude: 389 feet. Observer: 
John Hopkinson, 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 
O 
O 
O 
% 
ins. 
Jan. 
37*i 
32-6 
41-6 
9-0 
178 
52-5 
89 
7-2 
■86 
14 
Feb. 
34-8 
30‘0 
39-6 
96 
18-2 
50-0 
89 
8*o 
i - 39 
15 
March . 
38-4 
32-4 
44’5 
12 'i 
22 3 
52-6 
86 
8-i 
2-40 
17 
April . 
469 
38-4 
55’5 
17 1 
30'4 
72'O 
67 
6-o 
2*55 
17 
May. 
52 -o 
42 "2 
6i*8 
19-6 
35-8 
78*0 
70 
5*3 
1-82 
7 
June. 
57‘3 
47'4 
67*1 
197 
39’5 
78-0 
63 
5’5 
•81 
11 
July. 
64*2 
54 - 2 
74’2 
20‘0 
46-5 
87-5 
70 
5’2 
2-41 
8 
August. 
61-5 
52 -O 
71 0 
19*0 
44-1 
81-8 
73 
5’4 
2-22 
10 
Sept. 
57-5 
50*1 
64*9 
14-8 
407 
717 
81 
6-9 
1-32 
6 
Oct. .. 
497 
427 
567 
14'9 
31 'I 
71-4 
87 
7*3 
2X>8 
16 
Nov. 
41 ‘O 
35 0 
46-9 
11 ’9 
19-6 
54-6 
86 
6-6 
•80 
8 
Dec. 
37‘5 
32-5 
42-6 
IOI 
21*7 
54‘i 
88 
70 
391 
18 
Year . 
48*2 
40-8 
55‘5 
147 
17-8 
87-5 
79 
6-5 
22-57 
147 
Table IX. — Climatological Observations taken at the Gas Works, 
New Barnet. Latitude : 51° 39' 5" N. Longitude : 
0° 10' 15" W. Altitude: 212 feet. Observer: T. H. Martin, 
Assoc. M. Inst. C. E. 
Months 
Temperature of the Air 
Humidity 
Cloud, 0-10 
Rain 
Means 
Extremes 
Amount 
oS 
P 
Mean 
Min. 
Max. | 
Range 
Min. 
Max. 
O 
O 
O 
° 
0 
O 
% 
ins. 
Jan. 
36-9 
3°‘8 
43’0 
122 
9-0 
55-o 
87 
6-5 
70 
13 
Feb. 
35‘i 
28 '2 
42-1 
13’9 
10-5 
53‘8 
88 
7 *5 
•87 
7 
March . 
39-0 
31 -o 
47-0 
16 0 
21*1 
57‘o 
89 
7‘5 
273 
18 
April...... 
46*9 
34-8 
59‘o 
24‘2 
22*0 
75’° 
75 
4'3 
2-48 
16 
May. 
52-5 
389 
66"o 
27‘I 
26*9 
84-1 
77 
4'° 
1*12 
6 
June.......... 
58 *4 
45’2 
717 
26*5 
32*0 
83-0 
72 
5‘3 
76 
8 
July. 
64-3 
50-2 
78-4 
28-2 
39‘5 
91*0 
74 
46 
2-28 
7 
August. 
62-2 
49° 
75'4 
26-4 
40*1 
86-i 
74 
4*3 
i*6i 
7 
Sept. 
57*2 
46*0 
68-4 
22*4 
33’i 
77*5 
85 
6-i 
1-38 
6 
Oct. 
49’i 
39’i 
59-o 
I9’9 
24-0 
74-0 
89 
6-o 
2-29 
14 
Nov.. 
40*3 
32-2 
48-5 
l6’3 
14-0 
56-1 
85 
5’5 
•61 
6 
Dec. 
37‘4 
307 
44'o 
I3‘3 
180 
56-8 
87 
6-4 
3 *59 
12 
Year . 
487 
38-0 
58-5 
20-5 
9-0 
91-0 
82 
5*7 
20*42 
123 
