Manchester Memoirs, Vol. Hi. (1908), No. 14- ii 



Table V. 

 Miscellaneous Observations. 



I Hour Exposure at Mid-day. 



Date. 



December 27 

 December 27 

 December 27 * 

 January i ... 

 January i ... 

 January i ... 

 August 18, 1892 

 August 29, 1892 



Grindelwald ... 



Didsbury 



Barnard Castle 



Worcester 



Malvern 



Malvern Hills . 

 Torquay 



Pontresina, 6,000 feet 

 Pontresina, 10,000 feet 



Latitude. 



46-5 



53-5 

 54-5 

 52-2 



52 



52 



46-5 



Longitude. 



8(E) 

 2 (W) 



2(W) 



2 (W) 



2(W) 

 2 (VV) 



3-5 (W) 

 10(E) 



Mgms. I. 

 per hour. 



20'0 

 47 

 3-5 

 3-5 



4'4 

 6-0 



II'O 



26-5 

 30-2 



It will be .seen that the records for Manchester range 

 from I on a sunny day in December to 14 on a day in 

 June. 



The highest record in Table III. was obtained on 

 May 8th, 1906, in the Arabian Sea (latitude, 16-31 ; 

 longitude, 54"8), in the vicinity of the Arabian coast. 

 This is 42 times the lowest December record for Man- 

 chester, i.e., in one day in the Arabian Sea there is as 

 much actinic sunlight as reaches Manchester in 6 weeks 

 of wintry sunshine. The highest summer record for 

 Manchester- is 14, or one-third of the Arabian Sea 

 maximum. A normal reading for Calcutta may be taken 

 as 26, or nearly double the highest for Manchester. An 



