1837.] Horary Meteorological Observations at Trevandrum. 



3d.—di the Trevandrum Observatory.— By J. Caldecott, Esq. 



9 

 10 



n 



Noon 



1 P.M, 



2 



10 

 11 



Midn 



1 A. 51. 



10 

 11 



Noon 



1 P.M. 



2 

 3 

 4 

 5 



.873 

 .878 

 .893 

 .887 



7«. 0 

 77.2 

 77.9 



79.3 2.1 

 81.5 3.8 



.881 79.2 

 .853 80.8 



.839 77.0 

 .835 77.5 

 .838 77.2 

 .843 76.4 

 .864 75.7 

 .884 75.7 

 75.5 



72, 



72.85 

 74.57 

 74.82 

 71.9 

 76.4 

 76.25 



I 



2.8 '75.31 

 4.5 74.5 



3.0 72.73 



.909 

 .905 

 .895 

 .-73 

 .848 

 .842 

 ,849 

 ,853 

 .870 

 .S85 

 .906 

 .9 30 

 .943 

 .942 

 .931 

 .921 

 .903 

 .892 

 .891 

 .893 

 , y 'G5 



5.4 

 75,0 

 75.0 

 75.1 

 74.2 

 72.6 

 72.6 

 73.5 

 '4.0 

 3.5 

 '3.7 

 74.5 

 7 



76.0 

 75.0 

 74.0 

 75.7 

 76.5 

 77.2 

 76.4 

 75.7 



N W II. 



N by w |3. 



N W 1. 



w by N 1. 



n w by w A w 2. 

 N w by w 

 do 



74. 

 73. 

 72.65 

 72.54 

 73.26 

 73.37 

 73.4 j 

 73.551 

 73.55j 

 73.0 

 73.0 ! 

 72.6 

 72.5 

 0.5 72.77 



1.4 ,72.0 

 1.0 172.0 

 0 7 |72.69 

 0.9 173.281 



1.2 74.0 



1.5 73.9 I 

 1.5 72.84! 



1.3 72.1 

 73.85 

 73.37 i 

 73.3 ; 

 72.22 



N W 1. 



do . .0. 



2.7 



2.9 

 1.7 ;73.26 



W N W 

 N W 

 N W 



Nwbvw 

 do* 

 do 

 do 

 do 

 do 

 do 

 N by w 



N 



do 

 do 

 do 

 w s w 



W S W \ V, 



do 

 do 



w s w A "w 

 N w by w 



w n w 

 N w by w 



N W 



do 



N w by w 



N W 



do 



Clouds, aspect of the sky and 

 remarks. 



Cum. and fl. cl. threatening from W 

 Overcast. 



do. 



do. 



Heavy cum. and fl. cl. threatening 



do do. do. 



do. whole sky obscured threatening 

 —squall of wind and rain from W 

 at \2h. 10m. 

 Rather clear— flying clouds. 

 Overcast with heavy cum. rain at 



2k. 30 m— light wind N. W. 

 Overcast — cum. 

 do. do. 

 do. do. raining, 

 do. do. 5 

 do. flying clouds about zenith. 



do 



do. 



do. 



do. 



do. 

 Overcast 

 Light cu 



do. 

 do. 

 do. 

 do. 

 do. 



do. 

 raini ng. 

 do. 

 do. 

 do. 



, 8 .i„ ^..i*. zen. heavy at thehor 

 do. pleasant breeze, 

 do. do. 

 Overcast, do. drizzling. 

 Heavily overcast and raining, 

 do. do. S 



do. do. 

 do. do. 

 Fl.cl. in zen— cum. about the horizon, 



do 

 do. 

 do. 

 do. 

 Overcast 

 do. 



do. raining, 

 do. drizzling 



do. drizzling, 

 do. raining, 

 do. do. 

 rather clearer. 



0.5 

 0.75 



1^9 

 5.75 



5.4 

 .95 



,a 

 O 



1.95 



0.5 



0.5 



*Note. — These two days were unusually obscured— the actinometer on the four preceding 

 days indicated at noon— 7,75— 12,6— 12,25 and 2,25 respectively. 



June 21st.— Fall of rain from 6 a. m. to 6 p. m .201 



„ 22d,— do. 6 p. m. to 6 a. m. .8835 



do. 6 a. m. to 6 p. m. .5893 



Total in the 36 hours 1.6738 inches. 



No thunder nor lightning. 



EXPLANATION. 



The barometer is the same as was used in the Trevandrum Observa- 

 tions on the 21st and 22d March ; in the account of those observations 

 it is mentioned that it appeared to be an instrument worthy of confi- 

 dence, from a comparison of it made with a fine syphon barometer by 

 Robinson :— it may be as well however to explain that this opi- 

 nion was formed from the regularity of their differences only ; that 



