Meteorological Observations in Upper Assam. 441 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.3872 inch 29.3958 inch 29.3865 inch. 



Ther. 55. 1° 69.95° 68.17°. 



Greatest pressure observed 29.50 inch, least do. 29.30 inch. 

 Highest temperature, 75. 5° lowest do. 50o. 



Greatest variation, Bar. 0.20 inch. Ther. 25.5°. 



March. — A stormy, rainy month ; rain on 10 days, and very heavy 

 periodical thunder showers on 13 nights. 



Mean height of Bar. 29.3259 inch. Ther. 71.23o. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.3316 inch 29.3232 inch 29.3229 inch. 

 Ther. 64.64° 74.56° 74.51°. 



Greatest pressure observed 29.41 inch, least do. 29.18. inch. 

 Highest temperature, 83°, lowest do. 61°. 

 Greatest variation, Bar. 0.23 inch. Ther. 22°. 



April. — Several days of fine weather, with the usual periodical 

 showers at night ; 5 very rainy days, and 8 very rainy nights. 

 Mean height, Bar. 29.264 inch. Ther. 74.24°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.263 inch 29.2693 29.2603 inch. 



Ther. 68.69 78.45° 75.79°. 



Greatest pressure observed 29.40 inch, least do. 29.20 inch. 

 Highest temperature, 91° lowest do. 62°. 

 Greatest variation, Bar. 0.20 inch. Ther. 29°. 



May^ — Weather much the same as in April ; 13 rainy days, frequent 

 heavy showers at night, and a tremendous thunder storm at 9 f. m. on 

 the 13th. 



Mean height of Bar. 29.2123 inch. Ther 79.23°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.2125 inch 29.2132 inch 29.2113 inch. 



Ther. 74.53° 83.15° 80.01°. 



Greatest pressure observed 2930 inch, least do. 29.16 inch. 

 Highest temperature, 92° lowest do. 71.5°. 



Greatest variation, Bar. 0.14 inch. Ther. 20.5°. 



September. — A very unpleasant rainy month, 17 rainy mornings, and 

 frequent heavy showers at night. 



Mean height of Bar. 29.185 inch. Ther. 84.53°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.0935 inch 29.092 29.0955 inch. 



Ther. 76.71° 84.8° 81.5°. 



Greatest pressure observed 29.20 inch, least do. 28.90 inch. 



3 K 



