METEOROLOGICAL OBSERVATIONS AT WISLEY IN 1900. 235 





At 1 ft. 



At 2 ft. 



At 4 ft 





deep. 



deep. 



deep. 



Mean temperature of the soil at 9 a.m. 



59°-8 



61'^-5 





Highest „ ,, 



(>7°-0 



(j6°-l 



02°-4 



Lowest „ „ ... . 



52°-8 



56°-3 





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



represented by 100) 77% 



Rain fell on 9 Jays to the total depth of ... ... ... ... 1*74 in. 



(Equivalent to about 8 gallons of water per square yard.) 



Heaviest fall on any day 0-91 in. on the 4th 



The prevailing winds were from north and north-east. 

 The average velocity of the wind was 4 miles per hour. 



There were 171"2 hours of bright sunshine, equal to 46 per cent, of the greatest 

 • possible amount. There was but 1 day on which no sunshine was recorded. 



October. — The settled weather of the preceding months now became 

 broken, and was succeeded by changeable and unsettled conditions. Rain 

 fell frequently, and in most districts the total fall exceeded the average 

 for the month. The weather continued warm, however, for the season, 

 although the amount of bright sunshine was in most cases below the 

 average ; but frosts were rare, and the thermometer seldom fell below 40° 

 in the night, so that the period was one of almost uninterrupted mildness. 



Mean temperature of the air in shade o3°'6 



Highest „ „ „ 68°-4 on the 1st 



Lowest „ „ „ 31°-0 „ 26th 



Lowest „ on the grass 28°-0 „ 26th 



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

 deep. deep. deep. 



Mean temperature of the soil at 9 a.m. ... o4°-3 56°-l 56°-7 



Highest „ „ „ 59°-l 58°-8 67^--8 



Lowest „ „ „ 48°-4 ol°-o 54°-l 



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



represented by 100) 87% 



Rain fell on 19 days to the total depth of 4-10 ins. 



(Equivalent to about 19 gallons of water per square yard.) 

 Heaviest fall on any day ... ... ... ... ... ... 0'63 in. on the 8th 



The prevailing winds were from south-west and south. 

 The average velocity of the wind was 6 miles per hour. 



There were 108-5 hours of bright sunshine, equal to 33 per cent, of the greatest 

 possible amount. There were 4 days on which no sunshine was recorded. 



November. — The weather of this m^nth was unseasonably warm, 

 especially towards its close, when some unusually high maxima for 

 November were recorded. In the northern and eastern districts there 

 was an excess of rain, but in most parts of the kingdom it still continued 

 dry, and as a result of the warmth and moisture the leaves continued 

 green and their fall was much delayed. Generally speaking, the amount 

 of bripfht sunshine was less than the averaofe for the month. 



Mean temperature of the air in shade 





46°-0 





Highest „ „ „ ... . 





60°-4 on the 22nd 



Lowest ,, ,, 





26°-0 



„ 12th 



Lowest „ on the grass 





21°-4 



„ 19th 





At 1 ft. 



At 2 ft. 



At 4 ft. 





deep. 



deep. 



deep. 



Mean temperature of the soil at 9 a.m 



46°-7 



48°-9 



ol°-0 



Highest 



49°-8 



51°-6 



o3°-8 



Lowest „ „ 



... 4r-7 



45=-7 



49°-l 



