TAKEN IN HERTFORDSHIRE IN 1902 . 
219 
Table YIII. — Climatological Observations taken at the Hertford¬ 
shire County Museum, St. Albans. Latitude: 51° 45' 15" M. 
Longitude: 0° 19' 56" W. Altitude: 389 feet. Observer: 
John Hopkinson, F.R.Met. Soc. 
Months 
Temperature of the Air 
j Humidity 
Cloud, 0-10 
Rain 
Means 
Extremes 
Amount 
S' 
P 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
o 
0 
0 
0 
O 
0 
% 
ins. 
Jan.. 
40-0 
35-o 
44'9 
9*9 
2 3'3 
51-8 
87 
7*5 
•84 
8 
Feb.. 
34* 2 
29-5 
38-9 
9‘4 
1 5 0 
49 *9 
93 
7'3 
I ‘22 
13 
March ..... 
43'9 
36-5 
5i-4 
H*9 
2 57 
60-4 
86 
7 '° 
173 
13 
April ..... 
45 9 
37*8 
54*o 
l6‘2 
29-8 
66-5 
72 
6-6 
78 
13 
May.. 
477 
40*0 
55*3 
15-3 
30*5 
67-1 
74 
7*3 
2‘05 
2 3 
June.......... 
56-6 
487 
645 
i 5‘8 
35-8 
80-3 
72 
6-8 
3*34 
17 
July .......... 
6o‘o 
5i*i 
68 8 
177 
4 2 ‘5 
83-3 
70 
67 
i*i7 
10 
August..... 
59'i 
5i*4 
66 9 
15*5 
42-8 
77-0 
78 
7-2 
4-i5 
20 
Sept. 
55-8 
48-2 
63-4 
15-2 
407 
72-2 
80 
5*4 
1 -08 
8 
Oct. 
4 8'8 
43’5 
54-2 
107 
36*6 
637 
87 
81 
1 ‘62 
16 
Nov....... 
437 
38-5 
48-8 
10-3 
26-4 
58-9 
92 
8-4 
1 -84 
i5 
Dec.... 
39 *9 
36-1 
437 
76 
20*1 
56-3 
88 
7 7 
1-42 
13 
Year ..... 
48 ‘O 
41-4 
54-6 
13*2 
15*0 
833 
82 
7*2 
21 -24 
169 
Table IX. — Climatological Observations taken at the Gas ’Works, 
Hew Barnet. Latitude : 51° 39' 5" H. 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 
P 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
0 
0 
0 
0 
0 
0 
% 
ins. 
Jan. .. 
40‘6 
347 
465 
11-8 
16 ‘3 
54*o 
87 
6-4 
•93 
8 
Feb.. 
34-i 
27*4 
40-9 
I3‘5 
7*o 
54 ”o 
90 
7*i 
1 *27 
8 
March ..... 
43‘3 
337 
52-9 
20’2 
21-5 
635 
84 
6‘3 
1-63 
12 
April.......... 
467 
34*9 
57-6 
22 7 
24‘O 
67-9 
75 
5*8 
•63 
9 
May.. 
487 
377 
597 
22 O 
24-0 
7i ”9 
73 
7-i 
2-23 
21 
June.......... 
57*i 
45‘9 
68-4 
22 ‘5 
34*5 
83-0 
73 
7*o 
3*44 
16 
July ... 
607 
48-8 
72‘6 
23 ‘8 
36 - o 
84-8 
71 
6‘4 
1 *04 
IO , 
August..... 
59‘9 
48-8 
71 *o 
22 ‘2 
38-8 
80*5 
78 
7* 1 
3*20 
18 
Sept.......... 
553 
43*9 
667 
22‘8 
30-0 
75 -i 
81 
5-6 
i*3° 
8> 
Oct. .......... 
48-9 
407 
57*i 
16*4 
26-0 
66-3 
88 
7 * 3 ’ 
i *39 
14 
Nov.......... 
42-8 
35-6 
50-0 
I4‘4 
i8‘8 
60-5 
90 
8*2L 
i-88 
I 2 S 
Dec.......... 
397 
34’9 
44*5 
9*6 
20 0 
5 8-i 
88 
7‘8 
1 *53 
13 
Year ..... 
48-1 
38-8 
57*3 
i 8*5 
7*o 
84-8 
82 
6‘8 
20-47 
149 
