Meteorological Observations. 



lxxxix 



Abstract of the Results of the Hourly Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, 



in the month of December 1867. 



Latitude 2S° 33' 1" North. Longitude 88° 20' 34" East. 



Height of tlie Cistern of the Standard Bai'onieter above the sea level, 18.11 feefc. 



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

 dependent thereon. 





O *"< 

 +3 += . 



Range of the Barometer 





Bange of the Tempera-* 





r3 2 "S 



be S "9 



during the day. 





ture dm 



'ing the day. 





WJgo 













Date. 

















ri W £J 









3 &T< 











=s £ ,, 



Max. 



Min. 



Diff. 



"3 % 



Max. 



Min. 



Diff. 





Inches. 



Inches. 



Inches. 



Inches. 



o 











o 



1 



30.125 



30.201 



30.071 



0.130 



69.4 



76.5 



63.6 



12.9 



2 



.092 



.163 



.024 



.139 



70.9 



78.2 



64.0 



14.2 



3 



.100 



.173 



.039 



.134 



71.0 



77.5 



65.2 



12.3 



4 



.120 



.193 



.066 



.127 



71.5 



78.2 



65.0 



13.2 



5 



.101 



.189 



.046 



.143 



70.0 



77.6 



63.4 



14.2 



6 



.047 



.115 



29.987 



.128 



68.9 



77.0 



61.5 



15.5 



7 



.021 



.088 



.961 



.127 



68.9 



77.1 



63.0 



14.1 



8 



.048 



.125 



30.003 



.122 



67.0 



75.0 



60.5 



14.5 



9 



.058 



.124 



.001 



.123 



66.5 



76.0 



58.5 



17.5 



10 



.083 



.173 



.029 



.141 



66.4 



74.2 



59.0 



15.2 



11 



.068 



.163 



.013 



.150 



64.7 



72.5 



57.5 



15.0 



12 



.056 



.131 



.005 



.126 



65.3 



74.8 



58.0 



16.8 



13 



.075 



.165 



.014 



.151 



67.3 



75.5 



59.8 



15.7 



14 



.062 



.139 



.010 



.129 



66.7 



73.2 



61.5 



11.7 



15 



.057 



.110 



29.997 



.113 



67.7 



75.0 



61.0 



14,0 



16 



.102 



.180 



30.046 



.134 



67.4 



74.6 



60.0 



14.6 



17 



.108 



.169 



.057 



.112 



69.1 



78.2 



62.0 



16.2 



18 



.093 



.173 



.022 



.151 



68.7 



76.5 



61.5 



15.0 



19 



.082 



.148 



.022 



.126 



68.3 



77.0 



60.5 



16.5 



20 



.057 



.126 



29.992 



.134 



67.7 



75.8 



60.2 



15.6 



21 



.042 



.109 



.986 



.123 



67.0 



75.4 



60.0 



15.4 



22 



.057 



.138 



.998 



.140 



66.8 



76.7 



59.2 



17.5 



23 



.099 



.177 



30.046 



.1.31 



66.9 



75.2 



60.0 



15.2 



24 



.110 



.182 



.045 



.137 



66.6 



75.5 



59.0 



16.5 



25 



.074 



.151 



.032 



•119 



66.3 



73.5 



60.5 



13.0 



26 



.058 



.138 



.003 



.135 



67.8 



76.4 



60.0 



16.4 



27 



.055 



.121 



.011 



.110 



70.1 



78.2 



62.0 



16.2 



28 



.082 



.153 



.025 



.128 



69.6 



78.0 



62.5 



15.5 



29 



.085 



.157 



.025 



.132 



68.1 



75.5 



61.4 



14.1 



30 



.096 



.180 



.030 



.150 



66.8 



74,7 



60.0 



14.7 



31 



.082 



.144 



.017 



.127 



66.0 



73.4 



58.5 



14.9 



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. 



