Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, in the month of July, 1861. 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 The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb Thermometers are derived from the twenty-four 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 July, 1861. Daily 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, in the month of July, 1861. Hourly Means, &c. of the Observations and of the Hygrometrical elements dependent thereon. The Mean height of the Barometer, as likewise the Mean Dry and Wet Bulb Thermometers 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 July, 1861. 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, S. & S. W. S. S. & S. E. 0.10 S. 0.12 S. 12 13 Cloudy; also drizzling between Noon & 2 P. M. Cloudy & raining after intervals. Cloudy & drizzling between 9 A. M. & Cloudy. Scatd. clouds. Cloudless till 5 A. M. cloudy till 8 P. M. Cloudless till 4 A. M. Scatd. clouds af- 0.56 E. & S. E. & N. E. Cloudy; also raining between 1 & 7 P. M. Scatd. clouds till 9 P. M. cloudless afterwards; also drizzling between 11 A. M. & 1 P. M. Cloudless till 3 A. M. cloudy afterwards; Cloudless till 4 A. M. cloudy afterwards; Cloudy; with rain beetween 6 & 7 A. M. P. M. Cloudy; also slightly drizzling at 1 & 11 A. M. Cloudy; also slightly drizzling at 6 P. M. |