Meteorological Observations. XXVii 
Abstract of the Results of the llourty Metecrological Observations 
taken at the Surveyor General’s Office, Caleutla, 
iw the month of Aprid 1871. 
Hourly Means, &c. of the Observations and of the Hygrometrical elements 
dependent thereon. 
63 Range of the Barometer = ,. |Range of the Tempera= 
3 Fen for each hour during ec) B ture for each hour 
~ +4 ; 
ped the month, ie during the month. 
tal 
Four. a Ag | 
ge) Max. | Min. | Dif. | £2 | Max. | Min. | Diff 
ik an Lae 
Tuches. | Inches. | Inches. | Inches. oO o fa) o 
Mid- 
pight.| 29.770 | 29.909 29.667 | 0.242 79.0 82.5 72:0 | 10.5 
nf 761 .898 .663 .235 78.8 82.2 ALD WO LO 
2 51 .883 -658 225 78°6 82.0 GLO}. Tze 
a 742 .866 651 215 78.4 81.8 71.5 | 10.3 
4 745 871 674 .197 78.2 81.5 129 | 95 
5 762 .888 692 | .196 77.8 81.0 | 72.0| 9.0 
6 778 .897 709 .L88 77.5 81.0 hind 9.5 
7 -797 -907 730 172 78.2 81.5 71.9 9.6 
8 .817 .928 758 iva 80.5 83.7 75.0 8.7 
9 .839 948 .763 185 83.1 $6.8 78.7 8.1 
10 840 943 765 178 85.2 89.0 | 805! 86 
il .829 .933 -760 lve 87.0 91.2 | 79.6 | 11.7 
Noon 814 915 TAS 170 88.2 92.6 4 735 / 19.0 
1 787 895 723 172 89.3 93.5 4 728 | 21.3 
2 .760 861 695 166 89.6 94.5 Foe2.| pele 
3 OL 837 663 174 89.7 94.5 74.2 | 20.3 
A 715 817 639 178 89.0 94.0 76.5 | 17.6 
5 Sahil 899 633 176 87.7 92.5 | 78.0 14.5 
6 72 819 641 178 85.5 90.0 | 75.7 | 143 
7 744A 854 631 223 82.7 86.6 72.3 | 14.3 
8 761 | .853|  .687|° .16 Sit | 85.5 | 723) 182 
9 7174, 883 708 | .175 80.5 83.6 | 73.0 | 10.6 
10 787 -891 710 181 79.9 83.2 | 72.5| 107 
il .783 .898 -703 195 79.4 82.6 | 72.6 10.1 
The Mean Height of the Barometer, as likewise the Dry and Wet Bulb 
Thermometer Means are derived from the observations made at the several 
heurs during the month. ; 
