1190 
MESSRS. J. B. LAWES, J. H. GILBERT, AND M. T. MASTERS. 
Table XXXI Y. —Abstract of meteorological conditions of tbe four seasons in which 
1866-8, 1871-2, and 1876-7; and comparison of each 
Monthly. 
July. 
August, 
September. 
October. 
November. 
December. 
January. 
February. 
Rainfall at Rothamsted.—Inches. 
Average 22 years 1855-6 to 1876-7 . . . 
1861-1862 .... 
1866-1867 .... 
1871-1872 .... 
1876-1877 .... 
2-56 
2*45 
2*64 
3*13 
2*20 
2*18 
2*85 
1*66 
3- 19 
3 01 
4- 00 
1-46 
0*89 
3*44 
0*77 
2-98 
1*63 
4*10 
4*07 
5*02 
1*46 
1*82 
1*79 
1*52 
3*99 
2*16 
0*66 
4*20 
1*58 
2*70 
1*42 
6*00 
1*77 
2*56 
4*68 
4*99 
0*60 
1*94 
1*47 
2*10 
More+ *) tlian average of ’ * ‘ 
or J- 22 years J. • * * 
less- ) 1855-6 to 1876-7 ( 1 * - 
+0-63 
+0-45 
+ 1-44 
- 1-10 
-1*56 
+0*99 
- 1*68 
+0-53 
- 1*01 
+ 1*46 
+ 1*43 
+ 2*38 
-1*67 
-1*31 
-1*34 
—1*61 
+ 1*79 
-0*04 
-1*54 
+ 2*00 
-0*60 
+0*52 
-0*76 
+3*82 
-1*08 
-0*29 
+ 1*83 
+2*14 
-1*06 
+ 0*28 
-0*19 
+ 0*44 
Rainfall at Rothamsted.—-Number of Days when 0*01 inch, or more, fell. 
Average 22 years 1855-6 to 1876-7 . . . 
1861-1862 .... 
1866-1867 .... 
1871-1872 .... 
1876-1877 .... 
12 
13 
14 
16 
15 
15 
16 
13 
21 
12 
18 
11 
11 
18 
5 
14 
14 
24 
13 
25 
13 
11 
10 
15 
20 
12 
12 
20 
14 
15 
13 
27 
16 
12 
21 
26 
7 
11 
16 
18 
More+ *) than average of Hoc 7 ' ' ' 
or f 22 years * * ’ 
less- ) 1855-6 to 1876-7 * * * 
+9 
0 
+6 
-1 
-2 
+5 
-8 
+ 1 
0 
+ 10 
— 1 
+ 11 
-3 
-5 
-6 
-1 
+ 5 
-3 
-3 
+5 
- 1 
0 
- 2 
+ 12 
0 
- 4 
+ 5 
+ 10 
-6 
-2 
+3 
+ 5 
Mean Maximum Temperature at Greenwich (Fahrenheit degrees). 
Average 22 years 1855-6 to 1876-7 . . . 
1861-1862 .... 
1866-1867 .... 
1871-1872 .... 
1876-1877 .... 
76*8 
73*6 
67*9 
59*0 
48*4 
44*5 
44*0 
46*4 
72-3 
72-6 
72-6 
77.7 
75-6 
69*4 
78*1 
74-5 
68*3 
65*1 
67*5 
65*3 
64*1 
58*2 
58*6 
60*2 
47*3 
50*5 
43*2 
49*9 
45*9 
47*6 
42*2 
48*6 
43*9 
39*5 
46*3 
49*5 
46*5 
50*7 
51*7 
50*4 
More+ h than average of Oort ‘ ’ ' 
or [ 22 years i * * * 
less- J 1855-6 to 1876-7 * * * 
-4-5 
-4-2 
-4-2 
+0-9 
+ 2*0 
-4*2 
+4*5 
+ 0*9 
+0*4 
- 2*8 
-0*4 
. - 2*6 
+ 5*1 
- 0*8 
-0*4 
+ 1*2 
- 1*1 
+ 2*1 
-5*2 
+ 1*5 
+ 1*4 
+3*1 
-2*3 
+4*1 
- 0*1 
—4*5 
+2*3 
+5*5 
+ 0*1 
+4*3 
+ 5*3 
+4*0 
Mean Minimum Temperature at Greenwich (Fahrenheit degrees). 
Average 22 years 1855-6 to 1876-7 . . . 
1861-1862 .... 
1866-1867 .... 
1871-1872 .... 
1876-1877 .... 
53-3 
53*2 
49*5 
43*9 
36*6 
35*0 
33*7 
34*6 
53- 4 
52-5 
54- 0 
56-1 
53*8 
52*3 
53*8 
54*2 
48*2 
50*6 
50*3 
48*9 
47*7 
45*7 
41*9 
46*9 
34*1 
38*0 
32*7 
38*3 
36*0 
37*4 
34*2 
39*5 
34*3 
28*5 
37*0 
36*8 
36*7 
39*5 
39*2 
38*0 
More+*) than average of 11 or, * * * 
or V 22 years J. * * ■ 
less- ) 1855-6 to 1876-7 (jg„ ; ; ; 
+ 0-1 
- 0-8 
+0-7 
+ 2-8 
+ 0*6 
-0*9 
+ 0*6 
+ 1*0 
-1*3 
+ 1*1 
+ 0*8 
- 0*6 
+ 3*8 
+ 1*8 
- 2*0 
+3*0 
-2*5 
+ 1*4 
-3*9 
+ 1*7 
+ 1*0 
+ 2*4 
- 0*8 
+ 4*5 
+ 0*6 
-5*2 
+3*3 
+3*1 
+ 2*1 
+4*9 
+4*6 
+ 3*4 
Mean Temperature at Greenwich (Fahrenheit degrees). 
Average 22 years 1855-6 to 1876-7 . . . 
1861-1862 .... 
1866-1867 .... 
1871-1872 .... 
1876-1877 .... 
62-5 
61*8 
57*4 
50*6 
42*3 
40*0 
38*9 
40*1 
60- 9 
61- 0 
61*7 
65*0 
63*2 
59*4 
64*8 
62*9 
57*1 
56*4 
57*4 
55*8 
54*9 
51*3 
49*4 
52*7 
40*8 
44*3 
37*6 
44*0 
41*0 
42*9 
38*3 
44*3 
39*0 
34*2 
41*3 
43*1 
41*1 
44*7 
44*8 
44*0 
More + ") than average of (! ™ * ' ' 
or [ 22 years 1 * * 1 
less- J 1855-6 to 1876-7 (jg„ ; * * 
- 1*6 
-1*5 
- 0*8 
+2*5 
+ 1*4 
• -2-4 
+ 3*0 
+ 1*1 
-0*3 
- 1*0 
0*0 
- 1-6 
+ 4*3 
+0*7 
- 1*2 
+ 2*1 
—1*5 
+ 2*0 
-4*7 
+ 1*7 
+ 1*0 
+2*9 
-1*7 
+4*3 
+ 0*1 
-4*7 
+2*4 
+4*2 
+ 1*0 
+ 4*6 
+ 4*7 
+3*9 
Mean Range of Temperature at Greenwich (Fahrenheit degrees). 
Average 22 years 1855-6 to 1876-7 . . . 
1861-1862 .... 
1866-1867 .... 
1871-1872 .... 
1876-1877 .... 
21*6 
20*4 
18*3 
14*8 
11*8 
9*6 
9*8 
11*4 
18-9 
20-1 
18*6 
21*6 
21*8 
17*1 
24*3 
20*3 
20*1 
14*5 
17*2 
16*4 
16*4 
12*5 
16*7 
13*3 
13*2 
12*5 
10*4 
11*6 
9*9 
10*2 
8*0 
9*1 
9*6 
11*0 
9*2 
12*7 
9*8 
11*2 
12*5 
12*4 
Morel- ") than average o f ' ' ' 
or [ 22 years * * ’ 
less- ) 1855-6 to 1876-7 ‘ 
-2-7 
—1*5 
-3-0 
o-o 
+ 1*4 
-3*3 
+3*9 
- 0*1 
+ 1*8 
-3*8 
- 1*1 
-1*9 
+ 1*6 
-2*3 
+ 1*9 
-1*5 
+ 1*4 
+0*7 
-1*4 
- 0*2 
+0*3 
+ 0*6 
- 1*6 
-0*5 
- 0*2 
+ 1*2 
- 0*6 
+2*9 
- 1*6 
- 0*2 
+ 1*1 
+ 1*0 
