METEOROLOGICAL OBSERVATIONS AT CHISWICK IN 1903. 547 



October. — Very warm and most exceptionally wet. The days were, as 

 & rule, about 3 degrees warmer, and the nights about 5 degrees warmer, 

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

 showed 4 degrees of frost. 



The rainfall was most exceptionally heavy, being more than double 

 the average quantity for the month. 



Mean temperature of the air in shade 



53°.l 



Highest „ „ ,, 



66°.0 on the 3rd 



Lowest „ „ „ ... . 



35°.0 „ 24th 



Lowest „ on the grass 



27°.5 on the 24th and 31st 





Atlft. At 2 ft. At 4 ft. 





deep. deep. deep. 



Mean temperature of the soil at 9 a.m 



... 54°.6 55°.9 56°.4 



Highest „ „ ,, 



59°.3 59°.3 57°.7 



Lowest ,, ,, n ••• 



... 50°.0 53°.l 54°.4 



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



sented by 100) 



86 



Rain fell on as many as 25 days to the total depth of 5*33 ins. 



(Equivalent to about 25 gallons on each squar< 



3 yard of surface in the Gardens.) 



Heaviest fall on any day 



0-98 in. on the 11th 



November. — Warm and rather dry. Both the days and nights were, 



as a rule, about 1 degree warmer than 



is seasonable. On the coldest 



night the thermometer on the grass showed 17 degrees of frost. 



The rainfall was rather light, being nearly half an inch less than the 



average quantity for the month. 





Mean temperature of the air in shade 



44°.7 



Highest „ „ ,, ... 



59°.8 on the 1st 



Lowest „ ,, „ 



28°.0 „ 20th 



Lowest „ on the grass 



14°.5 „ 20th 





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





deep. deep. deep. 



Mean temperature of the soil at 9 a.m 



47°.l 49°.7 52°.l 



Highest „ „ ,, 



... 52°.0 52°.7 54°.4 



Lowest ,, „ „ 



... 42°.7 47°.3 50°.0 



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



represented by 100) 86 



Eain fell on 13 days to the total depth of 1-67 ins. 



(Equivalent to about 8 gallons on each square yard of surface in the Gardens.) 

 Heaviest fall on any day .. 0*72 in. on the 27th 



December. — Seasonable in temperature and rainfall. The days were, 

 as a rule, about 1 degree colder, and the nights about 1 degree warmer, 

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

 showed 16 degrees of frost. 



The rainfall was about average. 



Mean temperature of the air in shade 39°.5 



Highest „ „ „ 52°.6 on the 9th 



Lowest „ „ „ 



Lowest ,, on the grass 



Mean temperature of the soil at 9 a.m. 

 Highest „ „ „ 



Lowest 



At 1 ft. 

 deep. 



41°.4 



44°.2 



37°.3 



23°.8 



16°.3 



At 2 ft. 

 deep. 



44°.4 



46°.8 



41°.3 



3rd 



3rd 



At 4 ft. 

 deep. 



47°.5 



49°.9 

 44°.4 



