TAKEN- IN HERTFORDSHIRE IN 1900 . 
73 
Table YIII. — Climatological Observations taken at the Hertford¬ 
shire Cotjnty Museum:, St. Albans.* Latitude: 51° 45' 15" H. 
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 
P 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
° 
0 
° 
0 
O 
O 
% 
ins. 
Jan. 
38-5 
33'4 
43'6 
IO’2 
25*4 
51*6 
9i 
8*o 
3*59 
21 
Feb. 
36-6 
3 1 '3 
42*0 
107 
16*6 
56*9 
9i 
7*1 
4*87 
20 
March . 
38-5 
32-2 
44*8 
12*6 
21-5 
55*i 
83 
6*8 
•83 
II 
April . 
468 
387 
55*3 
17*0 
25*4 
737 
75 
5*4 
1*29 
15 
May. 
50’4 
42-5 
58*4 
i5*9 
33*2 
67*5 
75 
6*4 
1*10 
12 
June. 
58-3 
50-2 
66’4 
16*2 
437 
84*4 
76 
6*6 
2*95 
18 
July.. 
657 
55 *5 
75 *9 
20 *4 
43‘8 
89 6 
66 
4*8 
*93 
8 
August. 
60*4 
53' 1 
67 8 
147 
46-6 
82*2 
77 
6*5 
3 *n 
14 
Sept. 
57-5 
48-6 
66-3 
17*7 
40*9 
76*9 
79 
5*5 
*73 
7 
Oct. 
50-0 
43'i 
56*9 
13*8 
34*9 
7 o'9 
83 
6*2 
2*19 
21 
Nov. 
44'6 
397 
49*5 
9-8 
28*0 
58*9 
89 
8*o 
2*29 
23 
Dec. 
44‘3 
387 
49*8 
11 * 1 
26*8 
54*8 
88 
7*0 
3*62 
24 
Year . 
49'3 
42‘2 
56*4 
14*2 
16*6 
89 6 
81 
6*5 
27*50 
194 
* At The Grange, St. Albans, in January and February. 
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 
0 
© 
0 
0 
Rain 
Means 
Extremes 
Amount 
c? 
p 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
O 
0 
O 
0 
O 
0 
% 
ins. 
Jan. 
38*4 
32*3 
44*5 
12*2 
i7*5 
53*9 
87 
6* 7 
3-09 
21 
Feb. 
37*i 
29-6 
44*6 
15*0 
90 
58-5 
92 
7* 1 
4*27 
l8 
March . 
38*6 
30*4 
467 
16-3 
15-0 
58-2 
81 
6*9 
*68 
8 
April. 
46*6 
34*o 
59*3 
25*3 
18*5 
760 
75 
5*3 
*94 
11 
May. 
5i*3 
40-0 
62*5 
22-5 
27-0 
74*o 
76 
6*5 
1 *18 
9 
June..... 
59*8 
48'3 
71*4 
23*1 
40-8 
89*5 
78 
5*9 
2*79 
16 
. 
66 - o 
52*1 
79*9 
27-8 
36-1 
93*9 
68 
3*9 
*74 
7 
August. 
60-5 
49*4 
7i*7 
22-3 
41*1 
86*2 
75 
5*6 
2*20 
11 
Sept. 
57*o 
43*8 
70*1 
26*3 
33*5 
80*2 
80 
4*6 
*97 
6 
Oct. 
49 9 
40*3 
59*4 
19*1 
27*9 
74*8 
84 
4*9 
2*27 
15 
Nov. 
44*7 
37*8 
5i*7 
13*9 
22*2 
64*0 
87 
7*4 
2 '54 
19 
Dec. 
42*8 
36-9 
487 
11-8 
22*5 
56*1 
87 
6*8 
3*15 
21 
Year. 
49*4 
39 *6 
59*2 
19*6 
9-0 
93*9 
81 
6*o 
24*82 
162 
