Discharge Over Cippoletti Weirs. —Concluded. 
Depth of Water on 
discharge: in cubic feet per second 
In 
Inches 
In 
Feet 
2 Feet 
Long- 
3 Feet 
Long 
4 Feet 
Long 
5 Feet 
Long 
7 Feet 
Long 
10 Feet 
Long 
8.4 
8.7 
9.0 
9.3 
.7 
.725 
.75 
.775 
3.9437 
4.1565 
4.3733 
4.5942 
5.9156 
6.2347 
6.5599 
6.8912 
7.8874 
8.2930 
8.7466 
9.1883 
9.8593 
10.3912 
10.9932 
11.4854 
13.8030 
14.5457 
15.3065 
16.0796 
19.7186 
20.7824 
21.8675 
22.9708 
9.6 
.80 
4.8177 
7.2265 
9.6354 
12.0442 
16.8619 
24.0885 
9.9 
.825 
5.0453 
7.5679 
10.0906 
12.6132 
17.6585 
25.2264 
10,2 
.85 
7.9154 
10.5538 
13;1923 
18.4692 
26.3846 
10.5 
.87 5 
8.2669 
11.0225 
13|7781 
19.2893 
27.5562 
10.8 
.90 | 
8.6234 
11.4978 
14.3723 
20.1212 
28.7446 
11.1 
.925 
8.9S50 
[ 11.9800 
14.9749 
20.9649 
29.9499 
11.4 
.95 
9.3516 
12.4688 
15.5860 
21.8204 
31.1720 
11.7 
.975 
9.7233 
12.9644 
16.2054 
22.6876 
32.4019 
12.0 
1.00 
10.1000 
13.5667 
16.8333 
23.5667 
33.6667 
12.3 
1.025 
10.4808 
13.9744 
17.4679 
24.4551 
34.9359 
12.6 
1.05 
10.8666 
14.4888 
18.1110 
25.3554 
36.2220 
12.9 
1.075 
11.2575 
15.0100 
18.7624 
26.2674 
37.5249 
13.2 
1.10 
11.6524 
15.5365 
19.4206 
27.1888 
38.8412 
13.5 
1.125 
12.0513 
16.0684 
20.0855 
28.1198 
40.1711 
13.8 
1.150 
12.4553 
16.6071 
20.7588 
29.0624 
41.5177 
14.1 
1.175 
12.8644 
17.1525 
21.4406 
30.0168 
42.8812 
14.4 
1.2 
13.2764 
17.7019 
22.1274 
30.9784 
44.2548 
14.7 
1.225 
13.6936 
18.2581 
22.8226 
31.9517 
45.6453 
15.0 
1.25 
14.1148 
18.8197 
23.5246 
32.9344 
47.0492 
15.3 
1.275 
14.5410 
19.3880 
24.2349 
33.9289 
48.9699 
15.6 
1.3 
19.9603 
24 9503 
34 9305 
49 9007 
15.9 
1.325 
20.5394 
25 6742 
35 9439 
51 3484 
16.2 
1.35 
21.1238 
26 4047 
36 9666 
52 8095 
16.4 
1.375 
21.7123 
26.1404 
37.9966 
54.2808 
16.8 
1.4 
22.3075 
27.8844 
39 0382 
55 7688 
17.1 
1.425 
22.9082 
28.6352 
40 0893 
57 2704 
17.4 
1.45 
23.5128 
29.3910 
41 1474 
58 7820 
17.7 
1.475 
24.1242 
30.1552 
42i2i73 
60.3105 
18.0 
1.5 
24.7396 
30.9245 
43.2943 
61 8490 
18.3 
1.525 
25.3604 
31.7005 
44 3808 
63 4011 
18.6 
1.55 
25.9866 
32.4833 
45 4766 
64 9666 
18.9 
1.575 
26.6182 
33.2727 
46.5818 
66.5455 
19.2 
1.6 
• ••••• 
• ••••• 
34.0685 
47.6959 
68.1370 
19.5 
1.625 
34.8702 
48.8183 
69 7405 
19.8 
1.65 
35.6782 
49.9495 
71 3565 
20.1 
1.675 
36.4913 
51.0878 
72.9826 
20.4 
1.7 
37.3111 
52.2355 
74.6222 
20.7 
1.725 
38.1376 
53.3926 
76.2752 
21.0 
1.75 
38.9691 
54.5568 
77.9383 
21.3 
1.775 
39.8074 
55.7304 
79.6149 
21.6 
21.9 
22.2 
22.5 
1.825 
1.85 
1.875 
40.6515 
41.5009 
42.3577 
43.2179 
56.9121 
58.1013 
59.3008 
60.5031 
81.3030 
83.0018 
84.7154 
86.4358 
22.8 
23.1 
23.4 
23.7 
1.9 
1.925 
1.95 
1.975 
24.0 
2.0 
25.5 
2.125 
27.0 
2.25 
28.8 
2.4 
30.0 
2.5 
61.7211 
62.9442 
64.1720 
65.4116 
88.1730 
89.9203 
91.6743 
93.4452 
66.6560 
72.999 
79.541 
87.619 
95.2228 
104.289 
113.63 
125.18 
93.156 | 133.07 
SOME PHYSICAL. CONSTANTS USEFUL IN CONNECTION WITH THE 
PRECEDING TABLES. 
1 cu. ft. water weighs 62.416 lbs. at32 
degrees F. 
1 cu. ft. water weighs 62.424 lbs. at 
Q Q Q rl "IT 1 
1 cu. ft. water weighs 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. =on acre 1 ft. deep = 43,560 
cu. ft. = 325,851.45 gallons. 
1,000,000 U. S. gallons= 133,680.6 cu. ft. 
= 3.07 acre ft. 
1,000,000 cu. ft. = 22.9568 acre feet. 
= 11.574 cu. ft. per sec. 
for 24 hrs. 
1 cu. ft. per sec. = 448.8312 gals, per min. 
= 86,400 cu. ft. in 24 hrs. 
(Nearly 2 acre ft.) 
= 2 acre ft. in 24 hrs., 12 
min. 
= 1,000,000 cu. 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. 
