Lede 
Meteorological Observations. 
Abstract of the Results of the Hourly Meteorological Observatious 
taken at the Surveyor General’s Office, Caleulla, 
in the month of January 1871. 
Latitude 22° 33’ 1” North. Longitude 88° 20’ 34” East. 
Eleight of the Cistern of the Standard Barometer above the sea level, 18.11 feet. 
Daily Means, Xe. of the Observations and of the Hygrometrical elements 
dependent thereon. 
Ci 2 
“A & _ | Range of the Barometer a # |Range of the Tempera- 
a 25 during the day. an 2 ture during the day. 
Soe EB ie é 
Date. FH So et ore, FE 5 | 
so | Max. | Min. | Diff. | £5 | Max. | Min. | Dif. 
Ea | i / 
a Se a et | 
| | 
Inches. | Inches. | Inches. | Inches. Oo fe) | o | o 
1 | 29.907 | 29.998 | 29.843 | 0.155| 71.5 | 81.6 | 63.5! 18.1 
2 934, | 30.009 .883 126 | 72.9 $1.2 | 66.4.) 148 
3 .986 072 928 | | .144)| 67.1 73.7 | 60.5 | 13.2 
4 | 30.009 107 941 166 | 62.3 70.0 | 56.0 | 14.0 
5 | 29.969 031 897 134 | 61.7 70.8 | 54.0 | 16.8 
6 954 024 .889 135 | 63.9 73.5 | 56.5 | 17.0 
q .985 L059 931 128 | 65.7 | 75.2 | 58.0 | 172 
8 981 055 .930 125} 670.) 76.7: | 695 | 17:2 
9 .985 073 .936 137 | 65.7 | 76.2 | 57:0} 19:2 
10 .970 O47 912 135 | 65.5 75.5 | 56.7 | 18.8 
11 48} (015; 910; 105| oes | 78.9 | 875) 905 
12 962 .042 924 118 | .66.8 74.5 | 60.6 | 14.0 
13 977 .058 .923 135; | Ga 7 76.5 | 57.2 | 19.3 
14 996 .072 943 129 | 65.7 77.5 | 56.2 | 213 
15 .986 £067 931 136 | 66.8 78.4 | 57.3 | 21.1 
16 971"| 041 $01 140 | 68.9 79.5 | 60.0| 19.5 
17 945 004 .900 104 70.0 79.2 | 61.2! Teo 
18 982 .062 .930 ae) | ee 79.4 | 678! 11.6 
19 | 30.005 .106 943 163; 72.3 79.8 | 65.4| 14.4 
20 | 29.976 .076 1897 179 | 68.8 75.7 | 62.6 | 13.1 
21 943 022 881 141 | 66.1 75.0 | 58.3 | 16.7 
22 .959 022} 913} 109] 669 | 76.6 | 60.0| 16.6 
23 .989 065 .932 133| | 68.7 78.8 | 60.5 | 183 
24 984. .053 947 106 | 70.0 80.3 | 62.4 | 17.9 
25 977 062 923 139 | 71.3 81.5 | 63.5 | 18.0 
26 | 30.037 J19.| | 960 159 | 69.3 | 76.9 | 69.2 | 147 
27 .057 148 .996 162! 65.6 | 75.0 | 57.5 | 176 
28 032} 115| 966| 149] 645 | 74.7 | 55.5 | 192 
29 O11 099 944 155 | 668 77.3 | 58.4| 18.9 
30 013 .099 .962 137| 69.4 79.5 | 61.0 | 18.5 
81.0 | 61.6) 19.4 
31 029 104 988 116 | 70.9 
The Mean Height of ae Barometer, as likewise the Dry aad Ww et Bulb 
Thermometer Means are derived, from the hourly observations. made at the 
several hours during the day. 
