AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
[SECOND SERIES.] 
“Arr, XXXIL—The Climate of San’ Francisco for the year 
1855; by H. Gissons, M.D. 
___ I the following observations the temperature is stated at sun- 
rise, 94.m., noon, and 10. m. This is not critically accurate 
in regard to the observations at sunrise and noon. A thermome- 
trograph was used for the former, by which the lowest degree is 
noted, occurring generally a short time before sunrise. The 
“boon” observation was made at the warmest period of the day, 
varying from 12 to 2 or 3 Pp. m. 
Towards the close of the year 1854, the miners and the 
rmers throughout the State were in trouble for want of rain. 
the last day of December, the whole amount of rain fallen 
be, 
Senerally, as far as I can ascertain, to the southerly or south- 
easterly rainstorms of California. Houses were unroofed or pros- 
trated and trees uprooted. at San Francisco, and in the mining 
resions of the northern counties, a few hours before day light 
on the Ist of January. The storm was brief, the wind changing 
2 
Sevoxp Senres, Vol. XXI, No. 63, Mey, p68. 
w 
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