264 
Journal of Agricultural Research 
Vol. XI, No. 6 
TablK V .—Rainfall and run-off on Unit No. I, Poydras, La., March, 1912 , to December, 
1915, inclusive 
Month. 
Rain¬ 
fall. 
Run¬ 
off. 
Rain¬ 
fall in 
run¬ 
off. 
Pumps 
ran. 
Rain 
fell. 
1912. 
In . 
In . 
P . cl . 
Days . 
Days . 
March. 
10* 81 
3* 7 2 
20 
10 
April. 
1 A 6* 
1.96 
, V2 
x6 
AT ay . 
16.80 
5. 29 
24 
12 
June. 
4.11 
1. 34 
8 
13 
July. 
7- 58 
4. 93 
6.20 
14 
18 
August. 
1.10 
$ : 
15 
September. 
3. 84 
1.49 
s 
8 
Otiober. 
2. 47 
1.66 
6 
7 
November. 
2. 50 
.98 
4 
5 
December. 
11. 21 
6-93 
21 
18 
Total 
72.67 
30.67 
119 
122 
1913* 
January. 
5- 71 
4-52 
79.0 
18 
10 
February. 
2. 82 
4.81 
170.0 
16 
8 
March. 
6* 55 
2.82 
43-0 
16 
10 
April. 
6.04 
3-34 
55-3 
18 
4 
May. 
5- 25 
3- 88 
73*9 
16 
7 
June. 
3-91 
•50 
12.8 
4 
3 
July. 
9* 58 
4-58 
47.8 
15 
11 
August. 
4- 74 
2-34 
49-3 
12 
7 
September. 
9.48 
6. 21 
65-5 
17 
9 
October. 
4*33 
4. 26 
98.4 
11 
4 
November. 
•57 
•35 
61. 4 
3 
1 
December. 
4.92 
1. 61 
32.8 
9 
7 
Total. 
63.90 
39- 42 
61. 7 
155 
81 
1914- 
January. 
0. 89 
0. 76 
85-4 
5 
1 
February. 
6-35 
2. 63 
4 1 * 4 
8 
6 
1 
Month. 
Rain¬ 
fall. 
Run- 
aff. 
Rain- 
fall in 
run¬ 
off. 
Pumps 
ran. 
Rain 
fell. 
1914—Continued. 
In. 
In. 
P.eJ 
Days. 
Days. 
March. 
6-54 
5-33 
8i* 5 i 
17 
4 
April. 
1 S' to 
x. s6 
1 SO. 3 l 
XX 
A 
May. 
. 20 
• 17 
85.O 
2 
I 
June. 
3*38 
. 10 
3 -o 
I 
7 
July. 
3- 16 
. 12 
3-8 
I 
4 
August. 
9. 04 
.42 
4.6 
3 
14 
September. 
5-07 
• 97 
19.1 
6 
4 
October. 
1.46 
•53 
36.3 
4 
2 
November. 
4-51 
.64 
14. 2 
4 
4 
December. 
4. 00 
3-23 
80.8 
11 
4 
Total. 
47. 70 
16. 46 
34-5 
73 
54 
1915- 
January. 
6.96 
5.82 
83.6 
17 
5 
February. 
3 - 70 
3-17 
85-7 
14 
5 
March. 
2. 02 
2. 62 
129.8 
10 
4 
April. 
. 00 
• OO 
0 
0 
May. 
3 - 91 
•34 
&7 
2 
4 
June. 
8.46 
1. 27 
15-0 
5 
6 
July. 
3.34 
1.93 
57-8 
6 
2 
August. 
5-85 
■ 73 
12. 5 
S 
7 
September. 
1.90 
•33 
17.4 
3 
2 
October 0 . 
November a . 
December a . 
Total. 
36.14 
16. 21 
44-9 
62 
35 
Averages 
for period 
(2.7s years) 
53-7 
26. 2 
48.8 
105. 2 
61. s 
a Records omitted. 
Table VI .—Rainfall and run-off on Gueydan Drainage District , Subdistrict No. I, 
March, 1912, to December , 1915, inclusive a 
Month. 
Rain¬ 
fall. 
Run¬ 
off. 
Rain¬ 
fall in 
run¬ 
off. 
Pnmps 
ran. 
Rain 
fell. 
1912. 
In. 
In. 
P.ct. 
Days. 
Days. 
M arch. 
4,13 
10. 46 
14 
9 
April . 
2. 45 
6.85 
30 
5 
May... 
4. 07 
3.06 
31 
3 
June. 
10. 09 
5-04 
50-0 
25 
9 
July. 
6.13 
5 - 65 
92 . £ 
23 
8 
August. 
7 - 45 
2 - 34 
31-4 
20 
13 
September. 
2- 53 
1. 29 
51-0 
17 
3 
October. 
2 - 45 
.69 
28. 2 
10 
3 
November. 
I. 01 
• 23 
22. 7 
4 
3 
December. 
11.40 
7 - 65 
67.1 
22 
9 
Total. 
Sri 71 
43- 26 
b s 6. 0 
196 
65 
1913- 
January. 
4*45 
5-35 
120.0 
28 
4 
February. 
3- 80 
4. 21 
III. 0 
24 
8 
March. 
3 * 30 
2. 60 
79 -o 
13 
3 
April. 
5. 30 
2. 81 
53 * 1 
12 
2 
May. 
2. 90 
1. 01 
34* 8 
6 
4 
June. 
7. 81 
3- 74 
47-9 
10 
7 
July. 
13- 63 
5- 35 
39-3 
16 
11 
August. 
4-6$ 
2. 10 
45-1 
12 
9 
September. 
16. 60 
7- 13 
43-0 
17 
12 
October. 
9. 70 
17. 82 
183.8 
29 
12 
November. 
1. 90 
3- 85 
202. 3 
24 
3 
December. 
3- 00 
3- 58 
119. 2 
23 
9 
Total. 
77. 04 
59-55 
77*3 
216 
84 
ii 
Month. 
1914. 
January.... 
February.. 
March. 
April. 
May. 
June. 
July. 
August.... 
September. 
October.... 
November. 
December.. 
Total 
1915- 
January_ 
February... 
March.. 
April. 
May. 
June. 
July. 
August. 
September., 
October_ 
November., 
December.. 
Total. 
Rain¬ 
fall. 
Run¬ 
off. 
Rain¬ 
fall in 
run¬ 
off. 
Pumps 
ran. 
Rain 
fell. 
In . 
In . 
P . ct . 
Days . 
Days . 
0-55 
1.83 
333-o 
13 
5 
5- 61 
3- 73 
66.4 
16 
5 
3- 56 
3-33 
93-5 
19 
3 
8. 77 
8.64 
98.5 
18 
6 
4- 45 
3- 61 
81.1 
16 
5 
3.00 
•32 
10. 7 
3 
6 
• 14 
2. 8 
2 
13 
9-4? 
2.18 
23. 2 
14 
20 
4-45 
1. 91 
42,9 
13 
9 
2. 84 
1. 92 
67 -5 
10 
7 
8.30 
6.30 
75-9 
21 
9 
3- 80 
5- 95 
156. 5 
22 
10 
59* 78 
39*86 
66.7 
167 
103 
3-37 
8.00 
237-5 
23 
8 
3- 13 
3-31 
105.8 
15 
6 
2. 11 
2. 60 
123.1 
12 
2 
• 52 
.58 
hi. 4 
4 
2 
5- 72 
•32 
5-6 
3 
6 
3- 23 
• 23 
7-1 
2 
3 
11. 46 
3-46 
30. 2 
6 
7 
10. IX 
3-52 
34-8 
7 
5 
•31 
•59 
190.3 
2 
2 
2. 46 
• 15 
6.1 
1 
1 
• 75 
.OO 
.0 
0 
1 
6.60 
ri 45 
22.0 
3 
4 
49- 77 
24. 21 
48.6 
78 
47 
a Owing to seepage, average figures for the entire period of record would not be typical; these averages* 
therefore, are omitted. 
& Does not include March, April, and May, 1912. 
