544 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



February. — Most exceptionally warm and very dry. The days were, 

 as a rule, about 6 degrees warmer, and the nights about 5 degrees warmer, 

 than is seasonable. On the coldest night the thermometer on the grass 

 showed 20 degrees of frost. 



The rainfall was very light, being about half an inch below the 

 average quantity for the month. 



Mean temperature of the air in shade 45°.2 



Highest „ „ „ 59°.2 on the 20th 



Lowest || ii „ 23°.l „ 18th 



Lowest „ on the grass 11°. 6 „ 18th 



At l ft. At 2 ft. At 4 ft. 

 deep. deep. deep. 



Mean temperature of the soil at 9 a.m 43°.4 44°.3 45°.3 



Highest „ „ „ 46°.9 45°.8 45°.9 



Lowest „ „ ,, 38°.4 42 c .O 44°.5 



Mean relative humidity of the air at 9 a.m. (complete saturation being repre- 

 sented by 100) 83 



Rain fell on 11 days to the total depth of 0*86 in. 



(Equivalent to about 4 gallons on each square yard of surface in the Gardens.) 

 Heaviest fall on any day 0-27 in. on the 27th 



March— Very warm and exceptionally wet. The days were, as a 

 rule, about 4 degrees warmer, and the nights about 3 degrees warmer, 

 than is seasonable. On the coldest night the thermometer on the grass 

 showed 15 degrees of frost. 



The rainfall was exceptionally heavy, being 

 excess of the average quantity for the month. 



Mean temperature of the air in shade 



Highest „ „ „ 



Lowest ,, ,, „ 



Lowest „ on the grass 



Mean temperature of the soil at 9 a.m 



Highest „ „ ,, 



Lowest „ „ „ 



Mean relative humidity of the air at 9 a.m. (complete saturation being repre- 

 sented by 100; 78 



Rain fell on as many as 20 days to the total depth 2-41 ins. 



(Equivalent to about 11 gallons on each square yard of surface in the Gardens.) 

 Heaviest fall on any day ... ... .. ... ... ... 0 - 35 in. on the 2nd 



- 1 pril. — Very cold and wet. The days were, as a rule, about 8 degrees 

 colder, and the nights about 2 degrees colder, than is seasonable. On the 

 coldest night the thermometer on the grass showed 20 degrees of frost. 



The rainfall was heavy, being about half an inch in excess of the 

 average quantity for the month. 



Mean temperature of the air in shade 44°. 5 



Highest „ „ „ 59°.4 on the 28th 



Lowest ii „ „ 28°.0 on the 16th and 19th 



Lowest „ on the grass 12°.3 on the 25th 



At 1 ft. At 2 ft. At 4 ft. 



deep. deep. deep. 



M< hi temperature of the soil at 9 a.m 45°. 8 46°. 7 47°.2 



Highest „ ., „ 49<\ 8 4709 4707 



Lowest „ „ 42°.8 45°.3 46°.7 



more 



than an 



inch in 





46°.3 







68°.2 on the 2oth 





28°.2 



„ 12th 





16°.6 



„ 12th 



At 1 ft. 



At 2 ft. 



At 4 ft. 



de^p. 



deep. 



deep. 



44°.6 



45°.3 



45°.9 



49°.7 



48°.0 



47°.2 



40°.9 



43°.7 



45°.3 



