Meteorological Observations in Upper Assam. 449 



Greatest pressure observed 29.35 inch, least ditto 29.10 inch. 

 Highest temperature observed 90°, lowest ditto 74°. 

 Greatest variation Bar. 0.25 inch. Ther. l6°. 



October. — Mornings for the most part foggy, evenings generally fair ; 

 a storm at 4 p. m. on the 9th, also at 10 p. m. on the 31st. Two smart 

 shocks of an Earthquake 6 minutes before 8 p. m. on the 29th. 

 Rain during the month 5.4 inches. 

 Mean height of Bar. 29.3712 inch. Ther. 76.2®. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.3848 inch 29.3677 inch 29.3612 inch. 

 Ther. 70.91° 80.35° 77.35°. 



Greatest pressure observed 29.50 inch, least ditto 29.18 inch. 

 Highest temperature observed 87°, lowest ditto 66°. 

 Greatest variation. Bar. 0.32 inch. Ther. 21° 



November. — Rain on the evening of the 1st, at Sunrise on the 2nd, and 

 distant rain on the 3rd at 10 p. m., after which fine clear weather till the 

 28th, when there was rain at Sunrise. On the 30th overcast throughout 

 the day, a few foggy mornings, and rain on the 15th. 

 Rain during the month 0.55 inches. 

 Mean height of Bar. 29.4699 inch. Ther. 67.25°. 



At Sunrise. 2. p. m. Sunset. 



Bar. 29.46 29.445 inch 29.445 inch. 



Ther. 60.75° 73.75° 71.75°. 



Greatest pressure observed 29.57 inch, least ditto 29.38 inch. 

 Highest temperature observed 74°, lowest ditto 56°. 

 Greatest variation, Bar. 0.19 inch. Ther. 18°. 



December. — Generally fair throughout, with frequent dense fogs in the 

 morning, a little sprinkling of rain on the 21st, 23d, 24th, and 26th. 

 Rain during the month 0.4 inch. 

 Mean height of Bar. 29.475 inch. Ther. 60°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.5022 inch 29.5006 inch 29.4938 inch. 



Ther. 54° 67° 65°. 



Greatest pressure observed 29.55 inch, least ditto 29.40 inch. 

 Highest temperature observed 72°, lowest ditto 48 inch. 

 Greatest variation, Bar. 0.15 inch. Ther. 24°. 

 Mean pressure for the year 29.3009. 

 Mean temperature 72.62. 



Greatest pressure observed 29.58 inch, least ditto 28.98 inch. 

 Highest temperature observed 96°, lowest ditto 47.5°. 



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