Psychrometric table of saturated moist air at 1 atm from 0 to 60 °C: vapor saturation pressure, humidity ratio, enthalpy, specific volume and density, with the formulas for another relative humidity.
| T (°C) | Vapor P sat (kPa) | Humidity ratio W_s (g/kg dry air) | Enthalpy h_s (kJ/kg dry air) | Volume v_s (m³/kg dry air) | Density (kg/m³) |
|---|---|---|---|---|---|
| 0.01 | 0.6117 | 3.777 | 9.457 | 0.7785 | 1.289 |
| 5 | 0.8726 | 5.403 | 18.58 | 0.7948 | 1.265 |
| 10 | 1.228 | 7.631 | 29.26 | 0.812 | 1.241 |
| 15 | 1.706 | 10.65 | 41.99 | 0.8303 | 1.217 |
| 20 | 2.339 | 14.7 | 57.38 | 0.8501 | 1.194 |
| 25 | 3.17 | 20.09 | 76.25 | 0.8719 | 1.17 |
| 30 | 4.247 | 27.21 | 99.66 | 0.8964 | 1.146 |
| 35 | 5.629 | 36.58 | 129 | 0.9243 | 1.121 |
| 40 | 7.385 | 48.89 | 166 | 0.9569 | 1.096 |
| 45 | 9.595 | 65.06 | 213.2 | 0.9956 | 1.07 |
| 50 | 12.35 | 86.34 | 274 | 1.043 | 1.042 |
| 60 | 19.95 | 152.4 | 458 | 1.175 | 0.9807 |
Saturated air (100 % relative humidity). W = 0.621957·p_s/(P − p_s), with 0.621957 = M_water/M_air. For another relative humidity φ: p_v = φ·p_s and W = 0.621957·p_v/(P − p_v). Enthalpy referred to dry air at 0 °C and liquid water at 0 °C (as ASHRAE). Computed by Simuveliq.
Source: CoolProp (MIT license): reference equation of state of water (IAPWS-95) and ideal-gas cₚ of air, the same as the «Thermodynamic tables» tab. ↗
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