_ Meteorological Observations. Ixxxvii 
. Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, in the 
month of November 1866. 
Monrtsuiy REsvtts. 
Inches. 
Mean height of the Barometer for the month.. ... 29.988 
Max. height of the Barometer occurred at 9 a.m. on the 17th ... 80.163 
Min. height of the Barometer occurred at 3p. M. on the 10th  ... 29.786 
Extreme range of the Barometer during the month ee Fan Ooh 
Mean of the daily Max. Pressures... te wea ... 80.053 
Ditto ditto ~ Min. ditto 18 ... 29.930 
Mean daily range of the Barometer during the month ... .. 0.123 
Co) 
Mean Dry Bulb Thermometer for the month _... Bs hss BAOLE 
Max. Temperature occurred at 3 Pp. M. on the 3rd i 4-8) ROS OF 
Min. Temperature occurred at 7 a. M. on the 27th sie Ae MOZLe 
Extreme range of the Temperature during the month im Boe CAS: 
Mean of the daily Max. Temperature .. a. a8 .. 83.4 
Ditto ditto Min. ditto, a: eco) OBES. 
Mean daily range of the Temperature during the month.. Som BME 
Mean Wet Bulb Thermometer for the month... 69.5 
Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer 6.6 
Computed Mean Dew-point for the month f 64.9 
Mean Dry Bulb Thermometer above computed n mean | Dew- -point . 11.2 
oe, lier: 
| Mean Basie fore of Vapae for the a oats ee . 0.615 
Troy grain. 
Mean Weight of Vapour for the month ee.) 2Onf0 
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 24hours __... oo eNul 
Total amount of rain during the month oe v@Nal 
Total amount of rain indicated by the eee attached to the anemo- 
meter during the month __... f ae Nil 
_ Prevailing direction of the Wind i  N.W.N.N. W.&N. 
