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

in the month of August, 1863.

Latitude 22° 33' 1" North. Longitude 88° 20′ 34′′ East.

Feet.

Height of the Cistern of the Standard Barometer above the Sea-level, 18.11. Daily Means, &c. of the Observations and of the Hygrometrical elements

The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Thermometer Means are derived from the hourly Observations made during

the day.

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

in the month of August, 1863.

Daily Means, &c. of the Observations and of the Hygrometrical elements

All the Hygrometrical elements are computed by the Greenwich Constants. From the 1st January, 1863, the Greenwich New Factors have been used for computing Dew-point.

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

in the month of August, 1863.

Hourly Means, &c. of the Observations and of the Hygrometrical elements dependent thereon.

The Mean Height of the Barometer, as likewise the Dry and Wet Bulb Thermometer Means are derived from the Observations made at the several hours during the month.

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

in the month of August, 1863.

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

All the Hygrometrical elements are computed by the Greenwich Constants. From the 1st January, 1863, the Greenwich New Factors have been used

for Computing Dew-point.