‘Meteorological Observations, xlvii 
Abstract of the Results of the Hourly Meteorological Observations 
taken at the Surveyor General’s Office, Calcutta, in the 
month of June 1866, 
Monruty Resutts. 
Inches. - 
Mean height of the Barometer for the month,... ... 29.518 
Max. height of the Barometer occurred at 10 a. M. on the 2nd, ... 29.682 
Min. height of the Barometer occurred at 4 Pp. M. on the 2]st, ... 29.319 
Extreme range ot the I Barome eter during the month, te Oras 
Mean of te. daily I Me x. Pressures, ... te re 56 AS) ED 
Ditto ditto M in. ditto a Ane ... 29.449 . 
Mean daily range of the Barometer during the month, ... rae Ont26 
Co) 
Mean Dry Bulb Thermometer for the month, : Sy bie 9. Oe 
Max. Temperature occurred at 1 p. M. on the 8th at eee LOMG 
Min. Temperature occurred at 7 p. Mm. on the 10th ... 76.2 
Hixtreme range of the Temperature during the month, 25.4 
Mean of the oa Max. Temperature ... 92.8 
Ditto ditt Min. ditto, e 81.3 
Mean daily range of the Temperature during the month,., 11.5. 
Mean Wet Bulb Thermometer for the month, ... 81.4 
Mean Dry Bulb Thermometer above Mean Wet Bulb Thermometer, 5.0 
Computed Mean Dew-point for the month, oe 77.9 
Mean Dry Bulb Thermometer above compute d mean Dew-point. , ee SO 
Inches 
Mean Hlastic force of Vapour for the month, .., ie re O34 
Troy grains. 
Mean Weight of Vapour for the savor i g.98h 
Additional Wei: ht of Vapour required for complete satur ation, tae to OR, 
- Mean degree of humidity for the menth, complete saturation being unity 0.7 6 
Inches. : 
Rained 21 days,—Max. fall of rain during 24 hours ee we G24) 
Total amount of rain during the month, id O2 
Total amount of rain indicated by the ee attached to the anemo- _ 
meter during the month. . 6.25 
Prevailing direction of the Wind, SS E&S.& WS. W. 
