280 
April, 3-45 in.; May, 49 in. Total, 13°95 inches, which is a 
small quantity for the spring months. 
The thermometer indicated a mean of 44°45° for March, 
53°33° for April, and 61:84° for May; a mean for the spring 
of 53:21°.. The highest was on the 30th of May, 885°, the 
lowest, on the 29th of March, 33°, a range of 55°5° for the 
spring. 
. Snow fell on 5 days, rain on 87 days. Solar haloes were 
observed 5 times; lunar haloes, 3 times; lunar coronas, 
twice ; aurora borealis, 8 times; meteor, once, and thunder 
showers, 7 times. 
The summer season for 1871, was colder than the mean for 
the ten preceding years, by a difference of 115°, and 1:8° 
colder than the summer of 1870. The mean for the ten years, 
was 73°78", for 1871, 72°63". 
The greatest mean maximum for the ten years, was in 
August, 1868, 79:48°, while in August, 1871, it was 75°28", a 
difference of 4:2°; the least mean was in June, 1868, 66°63", 
while that of June, 1871 was 69°34", a difference in favor of 
1871, of 2°71°. In 1870, the maximum was 77°92° in July, 
or 2°69° greater than in 1871; the minimum, was 74:11° in 
June; in 1871, 69°34° which is 4:77° less. 
This summer was only 047 warmer than that of 1866, 
which was the cold year. 
The mean of the barometer for the summer, was 29°866 in. 
The maximum was on the 8d of August, 30228 in.; the 
minimum, was on the 12th of June, 29:488 in. a difference of 
‘790 in.; the mean for each month was, June, 29°821, in., 
July, 29-924 in., August, 29-855. 
Rain fell on 48 days, the quantity amounted to 20°7 in. ; 
for June, 8:02 in. July, 6°27 in. August, 6°41 in. Thunder 
showers occurred on 18 days; rainbows on 4 days, lightning 
1, meteors 2, parhelia 2, lunar corona 1, earthquake 1. 
