Xxiv FLORA OF BERKSHIRE 



was in September, 1865, when only 0-176 was registered. In the 

 exceptionally dry year of 1893 ^^^^ total amount of rain registered at 

 Oxford was only 18-596 inches. March of that year had only 0-109, 

 and April only o-o6o of an inch. 



Mean Monthly Fall of 37 yrs. Max. Monthly Min. Monthly 



observations. Fall. Fall. 



January 2.364 inches. 5.451 1852 0.272 1855 



February 1.624 11 3-744 18S3 0.279 1862 



March 1.609 m 5-462 1862 0.413 1854 



April 1.720 ,, 3.926 1882 0410 1855 



May 2.076 „ 4-971 1878 0.430 1871 



June 2.495 ,, 7-087 1852 0.658 1870 



July 2.538 ,, 6.098 1880 0.470 1864 



Augnst 2.366 ,, 5.120 1878 0.494 1880 



September 2.620 ,, 5-838 1876 0.176 1865 



October 2.838 „ 7.531 1875 0.733 1879 



November 2.200 ,, 7-^42 1852 0460 1855 



December 1.938 ,, 5-103 1876 0.418 1853 



The general yearly mean amount of cloud, from thirty-eight years' 

 observations, from 1850 to 1887, at the Radcliffe Observatory, Oxford, 

 is 7 -06, 



The general yearly mean reading of the Barometer for a period of 

 thirty-three years, from 1855 to 1887 (inclusive), is 29-72:, varying 

 from 29 792 in 1887 to 29.572 in 1872. 



Temperature. 



The mean yearly reading of the Dry-bulb Thermometer from 1855 

 to 1887 — thirty-tln-ee years— is 49-04. The highest yearly reading was 

 51.43 in 1868, the lowest 4552 in 1879, 



Mean Monthly Reading of the Max. Monthly Min. Monthly 



Dry-bulb Thermometer Reading^ Reading^ 



from 1855 to 1887. 1855-1887. 1855-1887. 



January 38.58 ... 44-5 1884 ... 30.3 1881 



February 40.19 ... 46.2 1869 ... 29.5 1855 



March 4i-59 •-- 4^.1 1859 ••• 35-5 1883 



April 47-"5 •- 5^- 1865 ... 42.5 i860 



May 52.15 ••■ 57-4 1868 ... 48. 1855 



June 58.60 ... 63.8 1858 ... 55.1 1800 



July 61.85 -•- 66.5 1859 ... 56.8 1879. 



August 60.87 ••- 64. 1871 ... 57.1 i860 



September 56.33 ... 61.7 1865 ... 52.3 i860 



October 49-70 ... 54-4 1861 ... 44.7 1887 



November 42.43 ... 492 1881 ... 37.8 1871 



December 39.56 ... 46.1 1868 ... 32.8 1874,1878 



The mean yearly reading of the Wet-bulb Thermometer for thirty- 

 three years' observations is 4622 ; varying from 43-99 in 1887 to 47'95 

 in 1857. 



