= 
Meteorological Observations. ill 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calculla, 
in the month of January 1871. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
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Range of the Barometer Range of the Tempera- 
S38 a 
3H . for each hour during ral 8 ture for each hour 
"en © the month. 9 during the month. 
Sg m2 Pe | 
Hour. & Eo Ad | 
e433 | Max. | Min. | Dif. | 38 | Max. | Min. | Diff. 
a Fee | 
Inches. | Inches. | Inches. | Inches. | Ow ba) oO o) o 
| | 
Mid- | 
night.| 29.981 | 30.064 | 29.896 | 0.168 | 63.9 | 71.5 | 583} 13.2 
1 .972 049 | .892| .157 | 63.2 | 70.0 | 57.2| 12.8 
2 964 038 883 | .155 | 625 | 69.4 | 56.0| 13.4 
3 .957 031 894} .137 |- 61.9 | 68.5 | 55.7 | 12.8 
4 .956 026 | .895| .131 | 61.3 | 68.0 | 55.5 | 12.5 
5 964 | 051 906 | .145 | 60.8 | 67.8 | 55.0/ 12.8 
6 977 072 916 | .156 | 60.4 | 68.0 | 542} 13.8 
7 | 30.001 101 941} .160 | 60.1 68.0 | 54.0 | 14.0 
8 031] .120{ 970} .150 | 62.3 | 684 | 57.7 | 10.7 
9 057 148 991] .157°| 65.5 | 71.7 | 59.7 | 12.0 
10 061 142} .998| .144 | 69.2 | 75.5 | 62.5 | 13.0 
11 Ome fia 900) 13g. |, TAGy|.. 976 | 65.0 | 12.5 
/ | 
| | | | 
i | ' | 
Noon. O14 082 | .941 141 | 74.0 | 79.0 | 67.0 | 12.0 
1 | 29.979 046} .899] .147 | 75.6 | 80.4 | 685] 11.9 
2 954 028 | .873.) 46a. |. 766 81.2 | 69.4! 118 
3 .939 018 | .851| .162 | 77.1 81.6 | 70.0| 11.6 
4 | ~ .931 014} .843] 171 | 761 80.5 | 69.0) 115 
5 934) .022| .846| .176 | 748 | 79.5 | 67:9} 11.6 
6 943 | .040| .855| .185 71.8 | 76.7 | 65.5 | 11.2 
7 959 | 056 870 | .186 | 69.6 | 743 | 63.2! 112 
8 .978 | 067 .880| .187 | 67.8 | 72.6 | 61.6} 11.0 
9 992 |  .079 893 | .186 | 66.7 | 72.6 | 60.5| 12.1 
10 .998 082 | .899| .183 65.6 72.0 | 69.5 | 12.6 
11 993 | 075 894 | 181 | 648 | 71.8 | 586] 132 
} 
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/ 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived from the observations made at the several 
hours during the month. 
