1837.] Horary Meteorological Observations at Trevandrum. 339 



X. — Horary Meteorological Observations made at the Equinoxes and 

 Solstices, agreeably with the suggestion of Sir John Herschel. 



1st. — At the Trevandrum Observatory .— B y J. Caldecott, Esq. 



Date. 



Hour. 



Bar. corrected 

 for tempr. 32. 



Thermometer 



Depress of W. 

 B. therm. 



Dew point. 



Direction of 

 wind. 



o 

 <~ 



o 



>> 



o 

 > 



| Solar radtn. 



Sept. 







0 



0 



0 









21 



5a. m. 



29.97H 



74.0 



1.3 



71-73 



N N E A F 





_ 





7 



29.993 



7=1 * 



1.0 74-09 



CIO 



!'! 



5.6 





8 



30.008 



7«< 9 



3.3 74-27 



N N E 



• 



15 





9 



30.044 



31.5 



4.6 



75.10 



do 



2 1 



i.6 





10 I 



30.047 



82 5 



5.5 



"4 85 



3 w by w ' 





->.7 ; > 





11 hO.029 



83.5 



7.0 



?3'.68 



s w ' 



I. 



1.G5 



1 



Noon ! 30.001 



84.5 



7.8 



73.57 



s 



>. 



J. A 





f 



1 P.M. 



30.001 



81. o| 



4.7 



74 .43 



s by w 



7 



rs 



a> 





2 



30.000 



76.5 



2.7 



73.69 



S E 









3 



29.998 



77.4 



0.7 



76.43 





1*. 



ao 

 ,Q 

















4, 



O 





4 



29.992 



77.9 



1.9 



75.25 



do 







5 



29.922 



79.0 



2.3 



74.78 



do 



4 







6 



29.929 



77.7 



2.1 



74.76 



do 



j 







7 



29.950 



76.9 



1.5 



74.80 



do 



3. 







8 



29.981 



76.2 



1.3 



7-4.37 



do 



3. 







9 



29.992 



75.5 



1.3 



73 65 



CIO 



1. 







10 



30.007 



75.6 



1.3 



73*. ? 6 



do 



2. 







11 



3c. 005 



75.3 



1.3 



^3.45 



do 



2. 







Midn- 



30.004 



75.0 



1.4 



7 3 00 



do 



2. 





22 



1 A.M 



29.990 



74.8 



1.8 



7l',8l 



do 



2. 







2 



29.976 



74.5, 1.5 



72.34 



do 



2. 







3 



29.959 



74.0 



1.7 



71.53 



CIO 



2. 







4 



29.954 



74.0 



1.8 



?1.38 



do 



2 







5 



29 959 



73.5 





71.46 



do 



1. 







6 



29.979 



73.8 





71.97 



do 



1. 









29.998 



74.0 



0.9 



72.70 



do 





O) 





8 



30.020 



74,6 



0.6 



73.74 



do 



2. 



u 



















& 





9 















O 





10 



30.027 



77.3 



1.0 



75.91 



do 



2. 



2. 4 







30.02$ 



80.0! 4.3 



73.96 



do 



1. 



2.9 





11 



30.0U 



82,5 



; 4.9 



75.71 



do 



2. 



3.1 





Noon 



30.00S 



84.0 



5.4 



76.91 



s by E 



2. 



7 8 





1 P.M. 



29.932 



84.4 



5.8 



76.34 



s by w 



4. 



9.6 





2 



29. 932 i 82. S 



5.5 



75.27 





4. 







3 



v9.9lo'&0.4 



3.3 



75.83 



s 



3. 



t> 





4 



v9.9^6|80.S 



3.5 



75.65 



s 



3. 







5 



29.9271 80. 5 



3.7 



75.37 



s 



4 



i s 





6 



29.942178.8 



2.8 



74.89 

 * 



w 



3. I o 



Clouds, aspect of the sky and 

 remarks. 



Fl. cl. in zen. — light cum. about 



the horizon — fair — light air. 

 Zenith clear do do 

 do do do 



Fl. light els. in zen. — loose cum. 



about horizon. 

 Heavy cum. dispersed — light air. 

 do about N. & E.hor. gent. wind, 

 do do threatening — thunder 

 from N.E,— heavy rain at half 

 past twelve. 

 Thunder and rain continued — 

 squalls from S. by E. 

 do. do. 

 Sky very cly . —wind hardly per- 

 ceptible. 

 I do. gentle wind. 

 I do. do. 

 Sky hazy do. 

 Zenith clear — horizon very hazy 

 — gentle breeze — lightng. in E. 

 do els. and lightning about the 

 N. W. and E. horizon, 

 do. wind hardly perceptible, 

 do. do. do. 

 do. do. do. 

 Sky very hazy — lightning. N. 

 Sky very cly. — wind just per- 

 ceptible, 

 do. lightng. about S.E. horizon, 

 do. do. about E. horizon, 

 do. lightning from S. E. 

 Cum. and stratus dispersed— 

 lightng. all round the horizon. 

 Overcast and threatening thunder 

 from N. E. — wind hardly per- 

 ceptible—vain at half past 6. ' 

 Rain continued— obscured— wind 



just perceptible. 

 Heavy cum. about the horizon — 

 zenith very hazy — wind just 

 perceptible, 

 do. do. 

 do. wind hardly perceptible. 

 Light cum. about the hor. — do. 

 Cum. dispersed in the zen.--wint? 



just perceptible. 

 Fl. els. in zen.— cum. about the 



E. andN. horizon — thunder. 

 Sky very cloudy— gentle wind- 

 drizzling rain and thunder, 

 do. threatng. — do. — thund. cont. 

 Nimbus in several parts — driz- 

 zling — thunder and lightning. 

 Lightning in the S. W. horizon, 

 do. do. 



Fall of rain from 6 p. m. 20th to 6 a. m. 21st.. None 

 do. 6 a. m. 21st to 6 p. m. 2'st.. .7326 



do. 6 p. m. 21st to 6 a. m. 22d .. .0042 



do. 6 a. m. 22d to 6 p. m. 22d . . .1284 



Instruments the same, and are placed in the same situation, as described before. 



If Total in 36 

 IC .8652 i 



36 hours 

 nclies. 



