Vapor Pressures and Specific Weights for Water

**Vapor Pressures and Specific Weights for Water Table**
Temperature of water, °F	Temperature of water, °C	Absolute pressure, ft H₂O	Specific weight γ, lb/ft³
32	0.0	0.20	62.42
40	4.4	0.28	62.42
45	7.2	0.34	62.42
50	10.0	0.41	62.38
55	12.8	0.49	62.38
60	15.6	0.59	62.34
65	18.3	0.71	62.34
70	21.1	0.84	62.26
75	23.9	1.00	62.23
80	26.7	1.17	62.19
85	29.4	1.38	62.15
90	32.2	1.62	62.11
95	35.0	1.89	62.03
100	37.8	2.20	62.00
105	40.6	2.56	61.92
110	43.3	2.97	61.84
115	46.1	3.43	61.80
120	48.9	3.95	61.73
130	54.4	5.20	61.54
140	60.0	6.78	61.39
150	65.6	8.75	61.20
160	71.1	11.19	61.01
170	76.7	14.19	60.79
180	82.2	17.85	60.57
190	87.8	22.28	60.35
200	93.3	27.60	60.13
210	98.9	33.96	59.88
212	100.0	35.38	59.81
230	110.0	17.19	59.63
240	115.6	20.78	59.38
250	121.1	24.97	59.10
260	126.7	29.83	58.82
270	132.2	35.43	58.51
280	137.8	41.86	58.24
290	143.3	49.20	57.94
300	148.9	57.56	57.64
320	160.0	67.01	57.31
340	171.1	89.66	56.66
360	182.2	118.01	55.96
380	193.3	153.03	55.22
400	204.4	196.77	54.47
420	215.6	247.31	53.65
440	226.7	308.83	52.80
450	232.2	351.59	51.92

SOURCE: Cameron Hydraulic Data, 15th ed., Ingersoll Rand, Woodcliff Lake, NJ, 1977; used with permission.