Meteorological Observations. 



Ixxxi 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the mouth of November 1867. 



Latitude 22° 33' 1" North. Longitude 88° 20' 34" East. 



Height of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 



Daily Means, &c. of the Observations and of the Hygrometrical elements 

 dependent thereon. 



Date. 



o f-< 



£ £^ 



W rgo 

 _. W Si 



03 



M 



Range of the Barometer 

 during the day. 



Max. 



Min. 



Diff. 



Inches. 



Inches. 



Inches. 



29.728 



29.870 



29.220 



.561 



.923 



28.544 



.975 



30.039 



29.8D1 



30.017 



.084 



.983 



.007 



.087 



.947 



29.980 



.056 



.928 



30.012 



.083 



.9(5 1 



.041 



.105 



.986 



.046 



mi 



.980 



.011 



.063 



.951 



29.939 



.004 



.868 



.925 



29.978 



.881 



.993 



30.053 



.931 



.999 



.072 



.933 



.932 



29.990 



.856 



.931 



.981 



.879 



.987 



30.055 



.912 



30.063 



.125 



30.018 



.087 



.153 



.043 



.067 



.124 



.021 



.064 



.124 



.001 



.085 



.142 



.031 



.148 



.216 



.104 



.158 



.231 



.100 



• 111 



.187 



.048 



.111 



.175 



.064 . 



.151 



.228 



.102. 



.139 



.217 



.083 



.133 



.205 



.072 . 



.138 



.215 



.082 . 



Indies. 



0.650 

 1.379 

 0.145 



.101 

 .140 

 .128 

 .119 

 .119 

 .111 

 .112 

 .136 

 .097 

 .122 

 .139 

 .134 

 .102 

 .113 

 .107 

 .110 

 .103 

 .120 

 .111 

 .112 

 .131 

 •139 

 .111 

 .126 

 .134 

 .133 

 .133 



m 4 





Range of the Tempera- 

 ture during the day. 



Max. 



70.1 

 73.2 

 77. 5 



78.1 

 76.5 

 74,8 

 73.9 

 74.0 

 75.4 

 74.7 

 75.5 

 74.4 

 74,8 

 76.3 

 75.0 

 72.8 

 73.3 

 75.0 

 75.4 

 74.3 

 74.6 

 74.3 

 74,7 

 73.9 

 72.9 

 72.1 

 72.4 

 71.9 

 71.0 

 69.9 



71.7 



79.5 

 82.5 

 83.4 



82.0 

 80.7 

 80.2 

 79.8 

 81.4 

 76.0 

 81.0 

 77,4 

 78.8 

 81.9 

 80.3 

 79.0 

 81.6 

 82.2 

 82.0 

 80.5 

 82.0 

 81.4 

 83.0 

 81.4 

 80.0 



Min. 



Diff. 



79.5 



79.8 



78.4 



79.2 



76.7 



o 



68.0 

 69.5 

 71.4 

 73.0 

 72.0 

 69.6 

 67.5 

 68.0 

 71.0 

 72.5 

 72.0 

 71.8 

 71.0 

 72.5 

 70.0 

 68.0 

 66.4 

 68.5 

 69.5 

 68.7 

 69.0 

 68.0 

 67.4 

 68.2 

 67.0 

 65.5 

 66.0 

 66.0 

 64.5 

 63.5 



o 



3.7 

 10.0 

 11.1 

 10.4 

 10.0 

 11.1 

 12.7 

 11.8 

 10.4 

 3.5 

 9.0 

 5.6 

 7.8 

 9.4 

 10.3 

 11.0 

 15.2 

 13.7 

 1*2.5 

 11.8 

 13.0 

 13.4 

 15.6 

 13.2 

 13.0 

 14.0 

 13.8 

 12.4 

 14.7 

 13.2 



The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 

 Thermometer Means are derived, from the hourly observations, made during 

 the day. 



