FROM THE CHALK OF HERTFORDSHIRE, 
139 
Mean Rainfall in Hertfordshire for the last Half-century. 
Year. 
Winter. 
Oct.-March. 
Summer. 
April.-Sept. 
Year. 
Oct.-Sept. 
Inches. 
Ratio. 
Inches. 
Ratio. 
Inches. 
Ratio. 
1840-41 
9'8i 
75 
16-10 
122 
25-91 
99 
41-42 
1573 
121 
n -54 
88 
27-27 
104 
42-43 
1279 
98 
13-34 
IOI 
26-13 
IOO 
43-44 
14-64 
112 
7-66 
58 
22-30 
85 
44-45 
12-45 
95 
10-99 
83 
23-44 
89 
45-46 
13*23 
IOI 
10-93 
83 
24-16 
92 
46-47 
12*28 
94 
1075 
82 
23-03 
88 
47-48 
15-05 
ii 5 
12-35 
94 
27-40 
105 
48-49 
12-82 
98 
13-21 
100 
26-03 
99 
49-50 
8-15 
62 
11-23 
85 
19-38 
74 
1850-51 
13-20 
IOI 
976 
74 
22-96 
88 
51-52 
10-29 
79 
I 7-53 
134 
27-82 
106 
52-53 
17-61 
135 
15-42 
1 17 
33-03 
126 
53-54 
878 
67 
9 - 5 i 
72 
18*29 
7 o 
54-55 
9 43 
72 
13-08 
100 
22-51 
86 
55-56 
13-80 
106 
14-98 
114 
28-78 
no 
56-57 
n 73 
90 
1479 
112 
26-52 
IOI 
57-58 
ii-8 3 
9 i 
13-04 
99 
24-87 
95 
58-59 
9-12 
70 
1658 
126 
25-70 
98 
59-60 
I 5 -I 5 
116 
19-85 
151 
35-00 
134 
1860-61 
11 *81 
90 
9-96 
75 
2177 
83 
61-62 
I2'l6 
93 
13-81 
105 
25-97 
99 
62-63 
11 -08 
85 
12-13 
92 
23-21 
89 
63-64 
10-63 
81 
8*47 
64 
19*10 
73 
64-65 
1174 
90 
12-46 
95 
24-20 
92 
65-66 
19-48 
150 
i6’2I 
123 
35^9 
136 
66-67 
13-10 
100 
14-97 
114 
28 -07 
107 
67-68 
11 -21 
86 
10-07 
76 
21 *28 
81 
68-69 
16-04 
123 
n-88 
90 
27-92 
107 
69-70 
12-68 
97 
7 - 52 
57 
20-20 
77 
1870-71 
12-06 
92 
I 5-57 
119 
27^3 
106 
71-72 
11-21 
86 
13-84 
105 
25-05 
96 
72-73 
20-78 
159 
11-42 
87 
32-20 
123 
73-74 
9-59 
73 
10-63 
81 
20*22 
77 
74-75 
n-54 
88 
1578 
120 
27-32 
104 
75-76 
17-01 
130 
13-61 
104 
30-62 
11 7 
76-77 
19-47 
150 
14-32 
109 
33-79 
129 
77-78 
12-39 
95 
17-97 
137 
30-36 
116 
78-79 
14-51 
hi 
22-69 
173 
37-20 
142 
79-80 
614 
47 
15-49 
118 
21-63 
82 
1880-81 
17-68 
136 
1303 
99 
30-71 
117 
81-82 
14-06 
108 
I 4-37 
109 
28-43 
109 
82-83 
20-35 
156 
13-76 
105 
34 -n 
130 
83-84 
11-58 
89 
9-92 
75 
21-50 
82 
84-85 
12-65 
97 
13-56 
103 
26-21 
IOO 
85-86 
14-58 
112 
11-36 
86 
25-94 
99 
86-87 
15-05 
ii 5 
9-10 
69 
24 'i 5 
92 
87-88 
ii ”37 
87 
13-55 
103 
24-92 
95 
88-89 
ii- 3 i 
87 
16-29 
124 
27-60 
105 
89-90 
11-32 
87 
ii '34 
86 
22-66 
87 
Mean 
13-05 
100 
I3-I5 
100 
26-20 
IOO 
