Thermometrical Observations. 295 
| 1820. 1821. 1829, 
i. Hottest day, June, 93.50 | June, 92. June & aie 65. 
2. Coldest do. January,12 | January, 6. ney S 
3. aoe month, July. August, July. 
4. Co do. nuary. January. anuary. 
5. Greatest my r’ge, | April. January. February. 
6. Le ugust July. July. 
7. Grenteet ary —— April. March. February. 
3. Li July & Aug. | July. August. 
9, Eetrenepot “the y? r..| 81.50 86 95 
REMARKS, 
i, Our hottest month is commonly J aly, but sometin 
gust. Our hottest day is usually in e. 
2. Our coldest month is Ta anuary, ‘tad the coldest day us usu- 
ay occurs near the beginning of the same mon 
. The temperature of our climate varies from 0 to 95° in 
its eat extremes ; but the mean oe the three years above 
gives only 87° 5’, as the annual ra 
4, The greatest monthly rai is from 61° 5° to 66°, and 
eccurs from January to April inclusive: the least monthly 
range varies from 22° 5’ to 28°, and occurs in July or August. 
. The greatest daily songs * varies from 35° to 41° and oc- 
cia in February, March, or April ; me least. daily aes is 
from 12° to 20°, and occurs in July or A ugust. 
6. The annual mean, from the observations of 1820 and 
1821, is 59° 54’, corresponding. alk grok with the ‘mean as 
laid down in Humboldt’s. Isothermal . The va 
tion of 1822 would carry it a little higher ; tae the” accurat C) 
of this last is doubtful. 
. It was found that the observations of 10 orclotk, r M. 
correspond very nearly with the annual mean. 
