130 
of daily variation of rainfall which they indicate may be tested 
by the results of similar series of observations made in other 
localities. 
The number of days in each month on which the rainfall 
was registered by the new instrument was — May, 5 ; June, 
4; July, 19; August, 20; September, 3; October, 14; 
November, 9; December, 5; January, 21 : total, LOO days. 
The total amount of rain registered during the 100 days was 
2T854 inches. 
Arranging the amounts of rainfall in 24 groups correspond- 
ing to the 24 hours of the day, and, taking the sums of the 
amounts in each group, we have the following results : — 
Hour. 
1 . 
Number of Times 
Rain fell during the Hour. 
21 
Total Amount of Rain. 
Inches. 
0-536 
2 . 
27 
0-619 
3 . 
28 
0-774 
4 . 
29 
1-124 
5 
26 
1-042 
6 . 
33 
0-650 
7 . 
35 
0-728 
8 . 
33 
1-263 
0 . 
32 
1-132 
10 . 
34 
0-909 
11 . 
38 
0-854 
12 
41 
0-879 
13 . 
34 
0-734 
14 
37 
0-921 
15 
35 
0-907 
16 . 
35 
1-068 
17 
30' 
0-884 
18 . 
34 
0-964 
19 
32 
1-162 
20 . 
36 
1 033 
21 . 
32 
1-350 
22 . 
23 
0-658 
23 
25 
0-828 
24 . 
24 
0-835 
21-854 
