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

in the month of April, 1862.

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

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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,

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\i Cirri, i Cirro strati, ^i Cumuli, i Cumulo strati, ✨i Nimbi, —i Strati, hi Cirro cumuli.

Abstract of the Results of the Hourly Meteorological Observations

taken at the Surveyor General's Office, Calcutta,

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

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Max. height of the Barometer occurred at 9 A. M. on the 12th,
Min. height of the Barometer occurred at 6 P. M. on the 26th,
Extreme range of the Barometer during the month,
Mean of the Daily Max. Pressures,

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Mean daily range of the Barometer during the month,

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Mean Dry Bulb Thermometer for the month,
Max. Temperature occurred at 3 & 4 P. M. on the 14th,
Min. Temperature occurred at 8 P. M. on the 29th,
Extreme range of the Temperature during the month,
Mean of the daily Max. Temperature,

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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,

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Mean Dry Bulb Thermometer above computed Mean Dew-point,

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

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3.84

0.69

Inches

0.68

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Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, in the month of April, 1862.

MONTHLY RESULTS.

Table showing the number of days on which at a given hour any particular wind blew, together with the number of days on which at the same hour, when any particular wind was

blowing, it rained.

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