Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, in the month of April 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. tion being unity. Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, Ib W. S. W. & E.S.E. 2.75 : Overcast to Noon, i to 5 P. M., clear afterwards. S. S. E. & W. S. W. 1.25 i to 7 A. M., scatd. N. & N. N. W. W. S. W. W. S. W. &. S. S.W i to 4 P. M., overcast to 8 P. M.\i afterwards. 2.25 i to 3 P. M., overcast afterwards. Thin rain between 6 & 7 A. M. & at 8 & 10 P. M. 0.25 i to 5 A. M., i to Noon, clear afterwards. Clear to 11 A. M., scatd. i to 5 P. M., clear afterwards. 2.25 Clear to 7 A. M., scatd. i to 7 P. M. clear afterwards, lightning to the S. E. at 10&11 P. M. 0.50 Clear scuds, from S. W. from 4 to 7 A. M, Foggy at 6 A. M. 0.25 Clear to 10 A. M. Scatd. ^i to 5 P. M., clear afterwards. Scuds from S. to N. to 9 a. M. clear afterwards. Scuds from S. W. to N. E. to 8 A. M. clear afterwards. Clear. 0.50 Clear. Foggy at 6 & 7 A. M. 0.50 Clear. Foggy from 5 to 7 a. M. 0.75 Clear. 13 145.5 S. & variable 14 15 148.4 S. S. W. & S. by E. 17 122.0 Clear to 3 A. M. Scatd. clouds to 8 A. M., clear afterwards. Clear to 9 A. M. Scuds from S. toN.to 3P.M.clear afterwards. Clear to 4 A. M. Scuds from S. to N. to 3 P. M. Overcast to 7 P. M. clear afterwards, lightning to the S. at 7 & 8 A. M., thin rain between 4 & 5 A. M. Clouds of different kinds. Clouds of different kinds to 6 P. M., clear afterwards. Lightning to the S. E. at 4 A. M. 1.80 Clouds of different kinds. Lightning to the E. Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, S. & S. S. E. 10.50 0.51 22 123.2 S. E. & variable 0.14 S. W. & N. N. W. Overcast Lightning Thunder & rain at 10 & 11 P. M. Hails at 10 P. M. 2.00 Overcast to Noon \i & i afterwards, Lightning & Thunder at Midnight light rain at Midnight, 1 & from 4 to 6A.M. 2.80 i&i to 6 P. M. clear afterwards.Lightning toS.at 9P.M. Rain at 4 & 5 P. M. E. S. E. & variable. 1.00 Overcast to 3 A. M. clear to 9 A. M. Scatd. i to 6 P. M. clear afterwards, Lightning to S.W at 1 A. M. 1.00 Clear to 6 A. M. Scatd. i to 4 7 & 8 P. M. Thunder at 7 P. M. Light rain between 7 & 8 P. M. 1.00 i to A. M. Scuds from S. to 10 A. M. i to 4 P.M. clear afterwards. 2.75 Clear to 7 A. M. Scuds from S. to 10 A. M. Overcast afterwards Lightning to the E. from 6 to 9 P.M. Thunder at 5 & 6 P. M. rain at Noon, 5, 6 & 8 P. M. 2.00 Scatd. i to 5 A. M. \\__i & ^i to 1 P. M. overcast afterwards Lightning to the E. at 8 & 9 P. M. Thin rain at 6 P. M. 5.00 Scatd. i&i to 1 P. M. Scatd i to 5 P. M. overcast afterwards Lightning to the S. W. at 9 P. M. Thin rain at 10 & 11 P. M. Ni Cirri, i Strati, i Cumuli,i Cirro-strati, i Cumulo strati,i Nimbi, i Cirro cumuli. *Fell from 10 P. м. of the 21st to 6 A. M. of the 22nd. Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, in the month of April 1866. MONTHLY RESULTS. Mean height of the Barometer for the month,... Max. height of the Barometer occurred at 9 A. M. on the 22nd, ditto Mean daily range of the Barometer during the month, ... Mean Dry Bulb Thermometer for the month, 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, Mean Dry Bulb Thermometer above computed mean Dew-point. Mean Elastic force of Vapour for the month, 76.9 ... 7.2 71.9 12.2 8.28 Mean Weight of Vapour for the month Rained 9 days,-Max. fall of rain during 24 hours Total amount of rain indicated by the Gauge attached to the anemo meter during the month. Prevailing direction of the Wind, MONTHLY RESULTS. the number of days on which at a given hour any particular wind blew, together with the number of days on Abstract of the Results of the Hourly Meteorological Observations taken at the Surveyor General's Office, Calcutta, in the month of April 1866 Tables shewing which at the same hour, when any particular wind was blowing, it rained. 3344 N N N 2 212 .of days - ICC Rain on. S. by E. Rain on. S. S. W. Rain on. S. W. Pain on. W.S.W. Rain on. W. by S. Rain on. W. Rain on. W. by N. Rain on. N. W. Rain on. N.N. W. Kain on. N. by W. Rain on. co co co 77777 10 10 10 10 10 30 22 |