APPENDIX A:  TABLES


TABLE A-1   PROPERTIES OF WATER IN SI UNITS
Temperature
(°C)
Specific
Gravity
Density
(g/cm3)
Heat of
Vaporization
(cal/g)
Viscosity Vapor Pressure
Absolute
(cp)
Kinematic
(cs)
(mm Hg) (mb) (g/cm2)
0 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
5 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
10 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
15 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
20 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
25 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
30 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
35 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
40 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
50 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
60 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
70 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
80 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
90 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
100 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
Source:  Linsley, R. K. et al. (1982). Hydrology for Engineers. 3d. ed., New York: McGraw-Hill.

TABLE A-2   PROPERTIES OF WATER IN U.S. CUSTOMARY UNITS
Temperature
(°F)
Specific
Gravity
Density
(lb/ft3)
Heat of
Vaporization
(Btu/lb)
Viscosity 1 Vapor Pressure
Absolute
(lb-s/ft2)
Kinematic
(ft2/s)
(in Hg) (mb) (lb/in2)
32 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
40 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
50 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
60 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
70 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
80 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
90 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
100 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
120 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
140 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
160 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
180 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
200 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
212 0.99987 0.99984 597.3 1.790 1.790 4.58 6.11 6.23
1 To obtain values of viscosity, multiply values shown in Table by 10-5.
Source:  Linsley, R. K. et al. (1982). Hydrology for Engineers. 3d. ed., New York: McGraw-Hill.