Meteorological Observations. 



xlvii 



Abstract of the Remits of the Hourly. Meteorological Observations 



taken at the Surveyor General's Office, Calcutta, in the 



month of June IS 00. 



Monthly Results. 



Moan height of the Barometer for the month,... 

 Max. heighl of th< ■ r o< curred at 10 a. m. on the End, 



Min. height of lit;' Barom *cv occurred al 1 p. m. on the 21st, 

 Extreme rang* of the Barometer during the months 

 Mean of the daily Max. Pressures, 

 Din.) diti diito 



ALluu daily range of the Barometer during the mouth, ... 



Inches. 



. 20.538 



. 29.682 



. 29.3.9 



. 0.303 

 29.573 



. 29.449 



. 0.12G 



Mean Dry Bull) Thermometer for the month, 

 Max. Temperature occurred at 1 p. m. on the 8th 

 Min. Temperature occurred at 7 p. m. on the LOth ... 

 Extreme range of the Temperature during the month, 

 Mean of the daily Max. Temperature ... 



Ditto ditto ' Min. ditto, 

 JSlcan daily range of the Temperature during the month, 



86.4 

 101.6 

 76.2 

 25.4 

 92.8 

 81.3 

 11.5 



Mean Wet Bulb Thermometer for the month, ... ... ... 81.4 



Mean Dry Bulb Thermometer above Moan Wet Bulb Thermometer, 5.0 



Computed. Mean De^-point for the month, ... ... ... 77.9 



Moan Dry Bulb Thermometer above computed mean Dew-point. ... 8.5 



Inches. 



Mean Elastic force of Vapour for the month, 



0.937 



Troy grains. 



Mean Weight of Vapour for the month ... ... ... 9.98 



Additional Weight of Vapour required for complete saturation, ... 3.08 

 Mean degree of humidity for the month, complete saturation being unity 0.76 



Eained 21 days, — Max. fall of rain during 24 hours 



Total amount of rain during the month. 



Total amount of rain indicated, by the Gauge attached to the anemo 



meter during the month. 

 Prevailing direction of the Wind, . ; . S. S. E. & S. & W. S. W. 



Inches. 



2.41 



7.02 



6.25 



