Calendar of Nature. 4.41 
Rain Gauge, and Index of Thermometer 
and Barometer. 
Evaporating 
“vaporating 
Gauge, 
a 
e 
| 
LIN 
if 
iu 
INET A TT 
IN 
NUD 
FEE F 
fe 
[Ee es Seat 
an = 
SS SS == 
et 
Index of Thermometer. 
index of Barometer. 
The double lines, marked 4, show the motion of the mercury in the baro- 
meter; ¢sw, the mean temperature of the air, near a south garden-wall ; 
é, the mean temperature in the open air and in the shade; d, the dew-point ; 
and min. ¢, the mean of the minimum temperature in the open air at night. 
The coldest day in June was on the 14th : mean temperature of that day 
47°; extreme cold throughout the month 38°; wind E. The warmest day 
in June was the 27th: mean temperature of that day 59°5°; extreme heat 
65°; wind 8. E. There were only 5 days of brilliant, and 12 of partial, sun- 
shine; 13 days were cloudy. The wind blew from the E. and N. E. on 
5 days; from the S. and 8. E. on 3 days; from the N. and N.W. on 7 days ; 
and from the W. and 8.W. on 10 days; and from due E. on 5 days. There 
were loud westerly winds on the Ist and 2d, and thunder and lightning on 
the 28th. The coldest day in July was on the 2d: mean temperature of 
that day 51°5°; minimum temperature for the month 46°. The warmest day 
in July was on the 28th: mean temperature of that day 71°; extreme heat 
82°; wind W. There were 7 days of brilliant, and 6 days of partial, sun- 
shine ; 18 days were cloudy. The wind blew from easterly points on 10 days, 
and from westerly points on 21 days. There was a loud gale of westerly 
wind on the 19th, and long-continued peals of thunder on the afternoon and 
evening of the 30th. The mean temperature of June was 54°4°, or nearly 
3° below an ordinary mean; that of July was 59°5°, or just 1° lower than 
on an average of the last seven years. 
At the end of May, vegetation was something in arrear. The low tem- 
Vou. III. — No. ‘15. Gis 
