X.—Horary Meteorological Observations made at the Equinoxes and Solstices, agreeably with the suggestion of Sir John Herschel.
1st.—At the Trevandrum Observatory.—By J. Caldecott, Esq.
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Date. Hour. Bar. corrected for Tempr. 32. Thermometer Depress of W. B. therm. Dew point. Direction of wind. Velocity of do Solar radtn. Clouds, aspect of the sky and remarks.
Sept. ° ° °
21 6 a. m. 29.778 74.0 1.3
7 29.993 75.5 1.0
8 30.008 78.9 3.3
9 30.047 81.5 4.6
10 30.047 83.5 5.5
11 30.029 83.5 7.0
Noon 30.001 84.5 7.85
1 p.m. 30.001 81.0
2 30.000
3 29.998
8
9
10
11
Midn.
1 a.m
11
Noon
1p.m. 2
29.992 29.922 29.929 29.950
29.981
29.992 30.007 3o.005 30 004 29.990
29.976 29.959 29.954 29 959
29.979
76.5 17.4
77.9 79.0 77.7 76.9
76.2
75.5 75.6 753 75.0, 74.8
29.998 30.020
30.027 .028 30.019 30.009
74.5. 1.5 74.01 ].7 74.0 1.8 3.5j 1.4
73.8 t 1.2
74.0 74,6
77.3 1.0 80.0! 4.3 82.5 4.9 84.0 5.4
2tf,933 84.4
29.932|82.9
S9.9I0 80.4
- 9.926 80.5
29.927180.5 29.942|78.8
% Q
o
7173
74-09 74-27 75.10
74.85 73.68 73.57
74.43
73.69 76.43
75.25 74.78 74,76 74,80
74.37
73.65 73.76 ^3.45 73.00 -.1,8]
72.34 71.53 U8 71.46
71.97
72.70 73.74
75.91 73.96 75.71 76.91
II
5
do
N N B
do
8 w by w
8 W 8
s by w
8 B 8 S B
do do do do
do
do do do do <lo
do do do do
do
do do
.6.8 4.5 9.0
2. 5.75 1 4. 65 6.3
Clouds, aspect of the sky and remarks. •
do do do
s by b 2.
76.34 s by w 75.27 s
75.83 75.65
75.37 74.89
Fl. cl. in zen.—light cum. about the horizon—fair—light air.
Zenith clear do do
do do do
Fl. light els. in sen.—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 perceptible,
do. gentle wind.
do. do.
Sky hazy do.
Zenith clear— horizon very hary — gentle breeze — lightng. in B.
do cls. 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 perceptible,
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 perceptible—rain 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 ten.—wind just perceptible.
Fl. cls. in zen.—cum. about the E. and N. horizon—thunder.
Sky very cloudy—gentle wind—drizzling rain and thunder.
do. threatng.—do.—thund. cont.
Nimbus in several parts— drizzling—thunder and lightning.
Lightning in the S. W. Horizon.
Lightning in thedo. S. W. Horizon.do.
Fall of rain from 6 p. m. 20th to 6 a. m 21st None.
Fall of rain fromdo. 6 a. m. 21st to 6 p. m. 21st 7326
Total in 36 hours .8652 inches.
Fall of rain fromdo. 6 p. m. 21st to 6 a. m. 22d 0042
Fall of rain fromdo. 6 a. m. 22d to 6 p. m. 22d 1284
Instruments the same, and are placed in the same situation, as described before.