Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta,

in the month of November 1866.

Hourly Means, &c. of the Observations and of the Hygrometrical elements dependent thereon.--(Continued.)

All the Hygrometrical elements are computed by the Greenwich Constants.

Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta,

1 150.8

Inches

N. by W. & N. W.

N.&N.E. & N. by W.

2 145.0

3 145.0

N. & N. N. W.

vi to 5 A. M. i to 1 P. M. ^i &i to 5 P. M., clear afterwards.

Clear to 3 A. M. i to 5 P. M., clear afterwards.

Clear to 5 P. M. i to 10 A. M.

\i & i to 7 P. M., clear afterwards.

Clear to 7 A. M. i to 6 P. M. ^i afterwards.

ito 7 A. M. i to 3 P. M. Over-
cast afterwards, Thin Rain at
5, 6 & 11 P. M.

Overcast to 6 A. M., i to 2 p.
M., clear afterwards, Slight
Rain at 4 A. M.

Clear to 9 A. M. Scatd. Vi to 1
P. M., clear afterwards.

hi to 8 A. M. clear to 11 A. M. i to 5 P. M. i afterwards. Clear to 10 A. M. Scatd. i to 7 P. M., clear afterwards. Clear, slightly foggy at 10 P. M. Clear to 10 A. M. Scatd. i to

4 P. M. Scatd. \i afterwards. Clear to 4 A. M. Scattered i

to 7 A. M. Scatd. i & hi
afterwards.

Clear to 9 A. M. Scatd. _i to 6
P. M. Scatd. \i afterwards.
Slightly foggy at 7 & 8 P. M.
Clear to 11 A. M. Scattered

afterwards.

i

Scatd. i & hi to 2 P. M., clear

afterwards.

Clear to 10 A. M. Scatd. i to 3

P. M. i afterwards. Clear to 10 A. M Scatd. i to 4 P. M., clear afterwards. Clear to Noon. Scatd. i afterwards. Slightly Foggy from 8 to 11 P. M.

Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta,

i Cirri, i Strati, i Cumuli, i Cirro-strati, i Cumulo strati,i Nimbi,

i Cirro cumuli.

Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, in the

30.053 29.930 0.123

Max. height of the Barometer occurred at 9 A.M. on the 17th
Min. height of the Barometer occurred at 3 P. M. on the 10th
Extreme range of the Barometer during the month
Mean of the daily Max. Pressures

Ditto ditto Min.

ditto

Mean daily range of the Barometer during the month

...

Mean Dry Bulb Thermometer for the month

...

Max. Temperature occurred at 3 P. M. on the 3rd
Min. Temperature occurred at 7 A. M. on the 27th
Extreme range of the Temperature during the month
Mean of the daily Max. Temperature...

Ditto ditto Min.

ditto,

Mean daily range of the Temperature during the month...

Mean Wet Bulb Thermometer for the month

Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer
Computed Mean Dew-point for the month

Mean Dry Bulb Thermometer above computed mean Dew-point

69.5

6.6

64.9

...

Mean Weight of Vapour for the month
Additional Weight of Vapour required for complete saturation 2.93
Mean degree of humidity for the month, complete saturation being unity 0.70

Inches.

Drizzled 2 days,-Max. fall of rain during 24 hours

Total amount of rain during the month

Total amount of rain indicated by the Gauge attached to the anemo