Meteorological Observations in Upper Assam. 445 



July. — As in June so in July it was more frequently rainy at Sunrise 

 than at any other part of the day. On 16 days there was rain at Sunrise, 

 and frequent thunder. Showers at night. 



Mean height of Bar. 29.0936 inch. Ther. 83.03°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.1061 inch 29.0939 inch 29.0808 inch. 

 Ther. 79.17° 85.53° 84 51°. 



Greatest pressure observed 29.20 inch, least ditto 29.00 inch. 

 Highest temperature 91.5° lowest ditto 76.5°. 

 Greatest variation, Bar. 0.20 inch. Ther. 15°. 



August. — On the 1st, the weather was fair till 8 p. m, when there was 

 a heavy thunder shower, after which it continued overcast and cloudy 

 nearly the whole of the month, with rain at Sunrise on 18 days, but 

 less frequent thunder showers at night. 



Mean height of Bar. 29.1752 inch. Ther. 81.02o. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.1787 inch 29.1868 inch 29.1603 inch. 

 Ther. 78.07° 82.85° 82.16°. 



Greatest pressure observed 29.30 inch, least ditto 29.04 inch. 

 Highest temperature 85°, lowest ditto 75° 

 Greatest variation. Bar. 0.26 inch. Ther. 10°. 



September. — Mornings cloudy or rainy, the after part of the day fair, fre- 

 quent thunder showers at night. The 12th and 30th were very rainy 

 days. On the 2nd, a fair day, the Thermometer stood at 2 p. m. in the 

 shade 88°, in the River 78°, in the Sun 116°. On the 24th at 2 p. m. in 

 shade 86°, in the full sun 124°. 



Mean height of Bar. 29.2155 inch. Ther. 81.67°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.2326 inch 29.2143 inch 29.1996 inch. 

 Ther. 77.39° 83.98° 83.66°. 



Greatest pressure observed 29.32, least ditto 29.05 inch. 

 Highest temperature 89°, lowest 74°. 

 Greatest variation, Bar. 0.27 inch. Ther. 15°. 



October. — The first 3 days very rainy day and night, after which the 

 mornings foggy, cloudy or rainy ; the after part of the day generally fair. 

 Shock of an Earthquake on the 12th at 6 a. m. Storm on the 16th 

 at 5 A. M. 



Mean height of Bar. 29.3893 inch. Ther. 76.10°. 



At Sunrise. 2 p. m. Sunset. 



Bar. 29.3918 inch 29.3880 inch 29.3881 inch. 

 Ther. 70.97° 78.68° 78.67°. 



