356 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 
Mean relative humidity of the air at 9 a.m. (complete saturation being repre- 
sented by 100) ^3 
Rain fell on only 6 days to the total depth of in. 
(Equivalent to about 5 gallons on each square yard of surface in the Gardens.) 
Heaviest fall on any day 0-53 in. on the 27th. 
Aiigust. — Seasonable in temperature and very wet. The days were, as 
a rule, about 1 degree colder than is seasonable, while the nights were of 
about average temperature. On the coldest night the thermometer on the 
grass fell to 40 degrees, or 8 degrees short of the freezing-point. 
The rainfall was very heavy, being three-quarters of an inch in excess 
of the average for the month. 
Mean temperature of the air in shade ... ... ... ... 61°.4 
Highest 83°.2 on the 18th 
Lowest ... ., ... 44°.9 „ 31st 
Lowest temperature on the grass ... ... ... ... ... 39°.5 ,, 31st 
At 1 ft. At 2 ft. At 4 ft. 
ileep. deep. deep. 
Mean temperature of the soil at 9 a.m 62°. 9 62°.4 60°. 1 
Highest 67°.2 65°.2 61°.4 
Lowest 59°.2 60°.3 o9°.5 
Mean relative humidity of the air at 9 a.m. (complete saturation being repre- 
sented by 100) 74 
Rain fell on 15 days to the totaFdepth of 3-20 in. 
(Equivalent to about 15 gallons on each square yard of surface in the Gardens.) 
Heaviest fall on any day ... ... ... ... ... ... 0*53 in. on the 23rd. 
September. — Warm and exceptionally dry. The days were, as a rule, 
about 3 degrees warmer than is seasonable, while the nights were of about 
average temperature. On the coldest night the thermometer on the grass 
showed 2 degrees of frost. 
The rainfall was exceptionally light, being less than one-third of the 
average quantity for the month. 
Mean temperature of the air in shade 57°.7 
Highest 81°.0 on the 16th 
Lowest 39°.3 „ 6th 
Lowest temperature on the grass ... ... ... ... ... 29°. 5 ,, 20th 
Atlft. At 2 ft. At 4 ft. 
deep. deep. deep. 
Mean temperature of the soil at 9 a.m 58°.8 59°.4 58°.4 
Highest 61°.7 60°.9 59°3 
Lowest 55°.7 57°.9 57°.9 
Mean relative humidity of the air at 9 a.m. (complete saturation being repi'e- 
sented by 100) 79 
Rain fell on only 6 days to the total depth of ... ... ... ... 0-74 in. 
(Equivalent to about 3 gallons on each square yard of surface in the Gardens.) 
Heaviest fall on any day ... ... ... ... ... ... 0*39 in. on the 27th. 
October. — Warm and very dry. Both the days and nights were, as a 
rule, about 2 degrees warmer than is seasonable. On the coldest night the 
thermometer on the grass showed 10 degrees of frost. 
The rainfall was very light, being about an inch less than the average 
for the month. 
Mean temperature of the air in shade ... ... ... ... 50°.6 
Highest 74°.3 on the 8th 
Lowest 31°.0 „ 16th 
Lowest temperature on the grass 21°. (> „ 16th 
