110 



Surface and Underground; 



TABLE B. 



This Table gives a comparative statement of the average rainfall during 

 the spring, summer, autumn, and winter seasons of the years 

 1840 to 1850, and 1855 to 1860-1. 



Quarters. 1840 to 1850. 1855 to 1860-1, 



Spring 9'15 7"90 



Summer 5*34 7-86 



Autumn 7'65 6"46 



Winter 7"02 4"94 



In both periods the fall in spring is the greatest, but there is a marked 

 increase in the average rainfall during summer in the last period on 

 that during the years 1840 to 1850, virile, on the other hand, there is a 

 decrease in amount in the remaining quarters. 



TABLE C. 



This Table is a statement of the maximum amount and duration of rain 

 that fell on different dates from 1855 to 1861. 



1855 



Dec. 29 



- 92 inches 



2^ hours. 



1856 



Sept. 23 



0-92 „ 



Thunder storm, 20 minutes 



1857 



Feb. 10 



3-42 „ 



7 p.m., to evening of 11th. 



1858 



Dec. 19 



1-623 „ 



During the afternoon. 



1859 



June 8 



0-616 „ 



Thunder storm. 



1860 



Dec, 9 



2-586 „ 



20 hours. 



1861 



Jan. 31 



2-37 „ 



11 hours. 



TABLE D. 



This Table shows the amount of rain that fell in each month during six 

 years, being from 1858 to 1863, inclusive, and also shows the 

 average per month for six years, and the maximum amount that 

 fell in 24 hours, in every month during the same period. 



















Maximum in 24 hours 



Months. 



1858. 



1859. 



1860. 



1861. 



1862. 



1863. 



Average. 



: during six years. 



Jan. 



0-880 2-864 ! 1*974 



2*246 ; 1*253 1*838 



1*843 



! 1-288 



26th, 1859 



Feb. 



4910 0-828 1*075 



4*618 i 0-187 ! 2*741 



2*393 



': 2-436 



1st, 1861 



March 



1*090 0*177 0*963 



2*649 1.082 3-839 



1*633 



1 2-158 



19th, 1861 



April 



0*599 1*288 4*525 



1*288 : 3*558 ! 1*758 



2*169 



! 1-916 



5th, 1860 



May 



1-384 2-324 0*995 



0-836 ' 4307 > 2*545 



2*065 



! 0-860 



8th, 1862 



June 



1 0-761 4-510 1*716 



1*780 , 2*988 , 1*161 



2*153 



j 1-170 



27th, 1859 



July 



! 2-072 1-037 1-206 



2*138 2*262 2'872 



1*931 



0*557 



12th, 1858 



August 



,1*6:5 0*952 0-793 



1*470' 1954 i 2-102 



1*481 



! 0-664 



2nd, 1862 



Sept. 



1 2-171 2-773 2*724 



3*190! 0*976 ! 1*990 



2*304 



i 1-072 



10th, 1861 



Oct. 



! 0-869 2-335 4971 



4888 ' 2.031 4-891 



2-831 



1-393 



4th, 1861 



Nov. 



1 3-192 1-712 2*379 



1-459 0-317 



3-509 



2-095 



i 1-203 



26th, 1863 



Dec. 



6*473 , 1*025 5-062 



2-584 . 1-165 



7-182 



3-915 



1 2-359 



9th, 1860 



