176 



BULLETIN 1059, U. S. DEPARTMENT OF AGRICULTURE. 



Table 9. — Vapor pressure, inches; barometer 21.1$ iiiches ; depression of wet 



bull) (T.—t'), °F. 



Wet Bulb —16° to —8°. 



Wet bulb. 



0.0 



,o! 



2.0 



Wet bulb. 



0.0 



1.0 



2.0 



3.0 Proportional parts. 



















Degrees. 



Inches. 



-16.0 



0. 0159 



0.0083 



0.0007 



-12.0 



0.0199 



0.0123 



0.0046 



! o.i 



0.0008 



-15.9 



.0160 



.0084 



.0008 



-11.9 



.020C 



.0124 



.0047 



.2 



.0015 



-15.8 



.0160 



.0084 



.0008 



-11.8 



.0201 



•0125 



.0048 



! .3 



.0023 



-15.7 



.0161 



.0085 



.0009 



-11.7 



.0202 



.0126 



.0049 



i| .4 



.0031 



-15.6 



.0162 



.0086 



.0010 



-11.6 



.0203 



.0127 



.0050 



! .5 



.0038 



-15.5 



.0163 



.0087 



.0011 



-11.5 



.0204 



.0128 



.0051 



.6 



.0046 



-15.4 



.0164 



.0088 



.0011 



-11.4 



.0206 



.0130 



.0053 



i! -7 



.0053 



-15.3 



.0165 



.0089 



.0012 



-11.3 



.0207 



.0131 



.0054 



1 .8 



.0061 



-15.2 



.0166 



.0090 



.0013 



-11.2 



.0208 



.0132 



.0055 



>| -9 



.0069 



-15.1 



.0167 

 .0168 



.0091 

 .0092 



.0014 

 .0015 



-11.1 

 -11.0 



.0209 

 .0210 



.0133 

 .0134 



.0056 

 .0057 







-15.0 







-14.9 



.0169 



.0093 



.0016 



-10.9 



.0212 



.0136 



.0059 







-14.8 



.0170 



.0094 



.0017 



-10.8 



.0213 



. 0137 



.0060 







-14.7 



.0171 



.0095 



.0018 



-10.7 



.0214 



.0138 



.0061 







-14.6 



.0172 



.0096 



.0019 



-10.6 



.0215 



.0139 



.0062 









-14.5 



.C173 



.0097 



.0020 



-10.5 



.0216 



.0140 



.0064 







-14.4 



.0174 



.0098 



.0021 



-10.4 



.0217 



.0141 



.0065 







-14.3 



.0175 



.0099 



.0022 



-10.3 



.0218 



.0142 



.0066 







-14.2 



.0176 



.0100 



.0023 



-10.2 



.0220 



.0143 



.0067 







-14.1 



.0177 



.0101 



.0024 



-10.1 



.0221 



.0144 



.0068 







-14.0 



.0178 



.0102 



.0025 



-10.0 



.0222 



.0145 



.0069 



j 





-13.9 



.0179 



.0103 



.0026 



- 9.9 



.0223 



.0146 



.0070 



1 





-13.8 



.0180 



.0104 



.0027 



- 9.8 



.0224 



.0147 



.0071 







-13.7 



.0181 



.0105 



.0028 



- 9.7 



.0226 



.0149 



.0073 







-13.6 



.0182 



.0106 



.0029 



- 9.6 



.0227 



.0150 



.0074 





1 



-13.5 



.0183 



.0107 



.0030 



- 9.5 



.0228 



.0151 



.0075 







-13.4 



.0181 



.0108 



.0031 



- 9.4 



.0229 



.0152 



.0076 







-13.3 



.0185 



.C109 



.0032 



, - 9.3:.... 



.0230 



.0153 



. 0077 







-13.2 



.0186 



.0110 



.0033 



- 9.2 



.0232 



.0154 



.0079 



! 





-13.1 



.0187 



.0111 



.0034 



- 9.1 



.0233 



.0155 



.0080 



1 





-13.0 



.0188 



.0112 



.0035 



, - 9.0 



.0234 



.0157 



.0081 



0. 0004 





-12.9 



.0189 



.0113 



.0036 



j - 8.9 



.0236 



.0159 



.0083 



.0006 





-12.8 



.0190 



.0114 



.0037 



- 8.8 



.0237 



.0160 



.0084 



.0007 





-12.7 



.0191 



.0115 



.0038 



i - 8.7 



.0238 



.0161 



.0C85 



.0008 





-12.6 



.0192 



.0116 



.0039 



- 8.6 



.0239 



.0162 



.0086 



.0009 





-12.5 



.0193 



.0117 



.0040 



! - 8.5 



.0240 



.0163 



.0087 



.0010 





-12.4 



.0194 



.0118 



.0041 



- 8.4 



.0242 



.0165 



.0089 



. C012 1 





-12.3 



.0195 



.0119 



.0042 



- 8.3 



.0243 



.0166 



.0090 



.0013 , 





-12.2 



.0196 



.0120 



.0043 



- 8.2 



.0244 



.0167 



.0091 



.0014 





-12.1 



.0197 



| .0121 



.0014 



- 8.1 



.0246 



.0169 



.0093 



.0016 





-12.0 



.0199 



.0123 



.0046 



- 8.0 



.0247 



1 .0170 



.0094 



.0017 : 



II 





Wet Bulb —8° to — 0°. 



Wet bulb. 



0.0 



1.0 



2.0 



3.0 



Wet bulb. 



0.0 



1.0 



2.0 



3.0 



4.0 



—8.0 



0. 0247 

 .0248 

 .0249 

 .0250 

 .0252 

 .0254 

 .0255 

 .0256 

 .0257 

 . 0258 

 .0260 



.0262 

 . 0263 

 .0264 

 .0266 

 . 0268 

 .0269 

 .0270 

 .0272 

 . 0274 

 .0275 



0.0170 

 .0171 

 .0172 

 .0173 

 .0175 

 .0177 

 .0178 

 .0179 

 .0180 

 .0181 

 .0183 



. 0185 

 0186 

 .0187 

 .0189 

 .0191 

 .0192 

 .0193 

 .0195 

 .0197 

 .0198 



0.0094 

 .0095 

 .0096 

 .0097 

 .0099 

 .0101 

 .0102 

 .0103 

 .0104 

 .0105 

 .0107 



.0109 

 .0110 

 . 0111 

 .0113 

 .0115 

 .0116 

 .0117 

 .0119 

 .0121 

 .0122 



0.C017 j 

 .0018 

 .0019 

 .0020 

 .0022 

 .0024 

 .0025 

 .0026 

 .0027 

 .002S 

 .0030 



.0032 

 .0033 

 .0034 

 .0036 

 .0037 

 .0038 

 .0039 

 .0041 

 .0043 

 .0044 



-4.0 



G.0307 

 .0309 



.0311 ; 



.0313 

 .0315 

 .0316 

 .0318 

 .0320 

 . 0322 

 .0324 

 .0325 



. 0327 

 . 0329 

 .0330 

 . 0332 

 .0334 

 .0336 

 .0338 

 .0340 

 .0342 

 .0344 



0.0230 

 .0232 

 .0234 

 .0236 

 .0238 

 .0239 

 .0241 

 .0243 

 .0245 

 .0247 

 .0248 



.0250 

 .0252 

 .0253 

 .0255 

 .0257 

 .0259 

 .0261 

 .0263 

 .0265 

 .0267 



0.0153 

 . 0155 

 .0157 

 .0159 

 .0161 

 .0162 

 .0161 

 .0166 

 .0168 

 .0170 

 .017 T 



0173 

 .0175 

 . 0176 

 .0178 

 .0180 

 .0182 

 .0184 

 .0186 

 .0188 

 .0190 



0.0077 

 .0079 

 .0081 

 .0083 

 .0084 

 .0085 

 .0087 

 .0089 

 .0091 

 .0093 

 .0094 



.0096 

 .0098 

 .0099 

 .0101 

 .0103 

 .0105 

 .0107 

 .0109 

 .0111 

 .0113 



0.0000 



-7.9 



-3.9 



.0002 



—7.8 



-3.8 



.0004 



-7.7. ..'. 



—3.7 



.0006 



-7.6 



—3.6 



.0008 



—7.5 



-3.5 



.0009 



-7.4 



—3.4 



.0011 



—7.3 



-3.3 



.0013 



—7.2 



-3.2 



.0015 



-7.1 



-3.1... 



.0017 



-7.0 



-3.0 



.0018 



—6.9 



-2.9 



—2.8 



.0020 



—6.8 



.0022 



-6.7 



-2.7 



—2.6 



.0023 



—6.6 



0024 



-6.5 



-2.5 



-2.4 



.0026 



-6.4 



.0028 



-6.3 



-2.3... 



.0030 



-6.2 



—2.2 



-2.1 



-2.0 



.0032 



—6.1 



.0034 



-6.0 



.0036 



