42— 
Discharge Over Cippoletti Weirs. -Concluded. 
Depth of Water on 
Crest. 
In 
Inches. 
In 
Feet. 
8.4 
.7 
8.7 
9.0 
9.3 
9.6 
9.9 
10.2 
.72.=) 
.7.=) 
.77.=) 
.80 
.825 
.85 
10.5 
10.8 
11.1 
11.4 
11.7 
.875 
.90 
.925 
.95 
.975 
12.0 
12.8 
12.6 
12.9 
1.00 
1.025 
1.05 
1.075 
13.2 
13.5 
13.8 
14.1 
1.10 
1.125 
1.150 
1.175 
14.4 1.2 
14.7 1.225 
15.0 
15.3 
15.6 
15.9 
16.2 
16.4 
1.325 
1.35 
1.375 
16.8 
17.1 
17.4 
17.7 
1.4 
1.425 
1.45 
1.475 
18.0 
18.8 
18.6 
18.9 
19.2 
19.5 
19.8 
20.1 
20.4 
20.7 
21.0 
21.3 
1.5 
1.525 
1.55 
1.575 
1.6 
1.625 
1.65 
1.675 
1.7 
1.725 
1.75 
1.775 
21.6 
21.9 
22.2 
22.6 
1.8 
1.825 
1.85 
1.875 
22.8 
23.1 
23.4 
23.7 
24.0 
25.5 
27.0 
28.8 
30.0 
1.9 
^ .925 
1.95 
1.975 
2.0 
2.125 
2.25 
2.4 
2.5 
DISCHARGE IN CUBIC FEET PER SECOND. 
2 Feet 
3 Feet 
4 Feet 
5 Feet 
7 Feet 
10 Feet 
Long. 
Long. 
Long. 
Long. 
Long. 
Long. 
3.9437 
5.9156 
7.8874 
9.8593 
13.8030 
19.7186 
4.1.565 
6 2347 
8.2930 
10.3912 
14.6457 
20.7824 
4.3733 
6.5599 
8.7466 
10.9382 
15.3065 
21.8675 
4.,5942 
6.8912 
9.1883 
11.4854 
16.0796 
22.9708 
4.8177 
7.2265 
9.6354 
12.0442 
16.8619 
24.0885 
5.0453 
7.5679 
10.0906 
12.6132 
17.6585 
25.2284 
*..• •••• 
7.9154 
10.5538 
13.1923 
18.4692 
36.3846 
. 
8.2669 
11.0225 
13.7781 
19.2893 
27.5562 
8.6234 
11.4978 
14.3723 
20 1212 
28.7446 
8.9850 
11.9800 
14.9749 
20.9649 
29.9499 
• ••• •••• 
9.3516 
12.4688 
15.5860 
21.8204 
81.1720 
. 
9.7233 
12.9644 
16.2054 
22.6876 
32.4019 
10.1000 
13.5667 
16.8333 
23.5667 
83.6667 
■ • • ■ • • • » 
10.4808 
13.9744 
17.4679 
24.4551 
84.9359 
. 
10.8666 
14.4388 
18.1110 
25.3554 
36.2220 
. 
11.2575 
15.0100 
18.7624 
26.2674 
37.5249 
. 
11.6524 
15.5365 
19.4206 
27.1888 
38.8412 
12.0513 
16.0684 
20.0855 
28.1198 
40.1711 
12.4553 
16.6071 
20.7588 
29.0624 
41.5177 
12.8644 
17.1525 
21.4406 
30.0168 
42.8812 
13.2764 
17.7019 
22.1274 
30.9784 
44.2548 
• ••• •• •« 
13.6936 
18.2581 
22.8226 
31.9517 
45.6453 
•••••••• 
14.1148 
18.8197 
23.5246 
32.9344 
47.0492 
• . • • • ^ . . 
14.5410 
19.3880 
24.2349 
33.9289 
48.9699 
19.9603 
24.9503 
34.9305 
49.9007 
20.5394 
25.6742 
35.9489 
51.3484 
•• •• 
• • • « * . • • 
21.1238 
26.4047 
36.9666 
52.8095 
. 
21.7123 
26.1404 
37.9966 
54.2808 
. 
22.3075 
27.8844 
39.0382 
55.7688 
. 
22.9082 
28.6852 
40.0893 
57.2704 
.... •••« 
23.5128 
29.3910 
41.1474 
58.7820 
. 
. 
24.1242 
80.1552 
42.2173 
60.3105 
. 
24.7396 
30.9245 
43.2943 
61.8490 
. 
. 
25.3604 
31.7005 
44.3808 
63.4011 
• ...... 
25.9866 
32.4833 
45.4766 
64.9666 
. 
. 
26.6182 
33.2727 
46.5818 
66.5455 
. 
34.0685 
47.6969 
68.1370 
34.8702 
48.8183 
69.7405 
A. .... .. 
35.6782 
49.9495 
71.3565 
. 
..... .... 
36.4913 
51.0878 
72.9826 
37.3111 
52.2355 
74.6222 
88.1376 
53.3926 
76.2752 
. 
38.9691 
54.5568 
77.9383 
» . . • .... 
. 
39.8074 
55.7304 
79.6149 
. 
40.6515 
56.9121 
83.3030 
. 
41.5009 
58.1013 
83.0018 
. 
42.3577 
59.3008 
84.7154 
. . .. 
- V .. 
. 
43.2179 
60.5031 
86.4358 
. 
.... «. . . 
. 
61.7211 
88.1730 
. , , , , , , 
. 
62.9442 
89.9203 
.... 
. 
64.1720 
91.6743 
. 
. 
65.4116 
93.4452 
. 
• • • • • • • 
• • • • • • ■ 
66.6560 
95.2228 
.... .... 
........ 
. 
72.999 
104.289 
.... «• .. 
........ 
. 
79.541 
113.63 
- . 
. 
87.619 
125.18 
. 
93.156 
133.07 
SOME PHYSICAL CONSTANTS USEFUL IN CONNECTION WITH THE 
PKECEOING TABLES 
1 cu. ft. water weighs 62.416 lbs. at 82 degrees F. 
1 cu. ft. water weighs 62.424 lbs. at 39.3 degrees F. 
1 c)i. ft. water weigiis 62.408 lbs. at 50 degrees F. 
1 cu. ft, water weighs 62.300 lbs. at 70 degrees F. 
1 cu. ft. = 7.48052 U. S. gallons. 
1 acre ft. = an acre 1 ft. deep — 43,560 cu. ft. 
~ 325,851.45 gallons. 
1,000,000 U. 8, gallons 133,680.6 cn.ft. 
= 3.07 acre ft. 
1,000.000 cu. ft. = 22.9568 acre feet. 
11.574 cu. fL per sec. for 24 hrs. 
1 cu. ft. per sec. = 448.8312 gals, per min, 
= 86,400 cu. ft. in24 hrs. (Nearly 
2 acre feet.) 
= 2 acre ft. in 24 hrs., 12 min. 
= 1,000,000cu. ft. in 11„574 days. 
= 1.000,000 gals, in 1.5472 days. 
1 cu. ft. per sec. = 38.4 Colorado statute inches. 
= 50 California statute inches. 
1.44 cu. ft. per .sec. covers 80 .acres 6 in. deep in 14 
days. 
