J. HOPKINSON-CLIMATE OF HERTFORDSHIRE. 
129 
HERTFORDSHIRE. 
Means of Climatological Observations, 
with. Extremes of Temperature, 
at Royston, BerkhamstecL, St. Albans, Bennington, and New Barnet. 
1887-98 
Temperature of the Air 
Humidity 
Cloud, 0-10 
Rain 
Means 
Extremes 
Amount 
>•» 
03 
ft 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
O 
0 
° 
0 
0 
0 
% 
ins. 
Jan. 
36*1 
3 1 ’ 1 
4 I* 1 
10*0 
4-0 
59-8 
90 
73 
1-62 
l6 
Feb. 
377 
3 i -5 
43*8 
123 
I *0 
653 
87 
7-0 
131 
12 
March . 
41’2 
33’4 
49-0 
I 5 'b 
9-0 
68-o 
83 
67 
1 *96 
15 
April . 
46*2 
367 
557 
19*0 
17-8 
82-9 
78 
63 
130 
12 
May. 
52 3 
42-4 
62*2 
19-8 
21-0 
86 *6 
75 
63 
177 
12 
June...... 
59 'o 
48-8 
693 
203 
29*0 
90'O 
75 
6-6 
172 
II 
July. 
61 *o 
Si -3 
70-8 
193 
34 -o 
903 
74 
67 
234 
14 
August. 
6o*6 
5 i-i 
70*0 
18*9 
33 ‘i 
943 
76 
6-4 
2-68 
15 
Sept. 
56*6 
47 ’6 
657 
i8‘i 
25*8 
91-8 
82 
6*o 
1-90 
12 
Oct. 
48’O 
40 *6 
55‘4 
14*8 
16*0 
743 
87 
6-4 
2-8 7 
17 
Nov...... 
43 ‘o 
373 
487 
11 ’4 
15-0 
64’O 
90 
73 
2'49 
l6 
Dec. 
3 7 9 
323 
43 ’ 2 
107 
43 
59 *o 
90 
7-1 
2 ‘ 11 
l6 
Year .... 
483 
40 '4 
563 
I 5-9 
1*0 
943 
82 
67 
24-27 
168 
ROYSTON. 
(London Road.) 
Latitude: 52° 2'34" N. Longitude: 0° 1' 8" W. Altitude: 
301 feet. 
Observer : Hale Wortham , F. 1R. Met. Soc. 
1887-98 
Temperature of the Air 
Humidity 
Cloud, 0-10 
Rain 
Means 
Extremes 
Amount 
Days 
Mean 
Min. 
Max. 
Range 
Min. 
Max. 
0 
0 
O 
0 
0 
O 
% 
ins. 
Jan. 
36 *i 
313 
40-9 
9*6 
10*0 
54‘9 
88 
7*0 
1 ’40 
16 
Feb.. 
37 '9 
317 
44*i 
I2 - 4 
33 
63’4 
85 
6-6 
1-24 
11 
March . 
41-8 
337 
49’9 
l6*2 
I5-3 
68-o 
83 
63 
179 
14 
April. 
47'I 
37 -o 
57'2 
20 ‘2 
17-8 
82*9 
80 j 
5'7 
i'i4 
11 
May. 
53*4 
42-9 
63-9 
21 *0 
27-6 
85*9 
77 
6-o 
170 
12 
June.... 
603 
493 
71-6 
22'I 
3i-8 
88-o 
79 ! 
63 
i-68 
11 
July. 
62-2 
5i7 
72-6 
20‘9 
38-0 
903 
79 
6-4 
2‘43 
12 
August. 
617 
516 
71-8 
20 *2 
38-3 
93-0 
79 
6-i 
236 
14 
Sept. 
57-3 
48-4 
663 
I 7‘9 
323 
89-0 
80 
5'5 
i*8o 
12 
Oct. 
483 
4 i 3 
557 
I 4’4 
25'4 
73*7 
86 
6'i 
2'60 
1 7 
Nov. 
43-8 
37-8 
48-9 
11*1 
15-2 
63-1 
90 
7*2 
2*10 
15 
Dec. 
38-0 
327 
43-2 
103 
43 
59'o 
88 
6-9 
177 
16 
Year . 
49 -o 
40-8 
57-2 
16*4 
33 
93-0 
83 
63 
22*21 
161 
