146 



Fluctuations at Copperas Creek. 



Months 



Jan. 



Feb. 



Mar.'Apr. 



May 



June 



July 



Aug. 



Sep. 



Oct. 



Nov. 



Dec. 



Total 



Per cent, of 



6.2 



6.7 



7.0 8.2 



10.5 



12.2 



9.9 



8.6 



9.0 



8.5 



7-i 



6.0 





Number of 

 rises exceed- 

 ing 3 feet in 



8 



6 



10 



5 



4 



7 



2 



3 



2 



3 



3 



3 

 3 



56 



Number of 

 culminations 

 of floods ex- 

 ce ed ing 10 

 feet above 

 low water.. . 



4 



3 



5 



9 



3 



6 



















1 



34 



O ccurrences 

 of minimum 

 stages for the 



o 



















1 



3 



6 



8 



5 



1 



1 



25* 



O cc u rrences 

 of maximum 

 stage for the 



3 



3 



5 



6 



2 



1 























1 



21 



Average num- 

 ber of days 

 when water 

 was more 

 than 8 feet 

 above low 



ii . i 



15.8 



24.8 



23-9 



20.1 



16.8 



7-9 



i-7 







1 .0 



4.0 



5-1 



132.2 



Average num- 

 ber of days 

 when water 

 was less than 

 4 feet above 

 low water . . 



IO.O 



3-8 











3-6 



4-8 



8. 9 



20.8 



23.2 



215.0 



19.0 



15.0 



134- 1 



♦Minimum levels reached in two different months in 1887 and in 1892, and in three 

 in 1897. 



more than 8 feet above low water — whose duration has aver- 

 aged 132 days, ranging from 11 days in 1895 to 230 in 1883. The 

 average seasonal position of this period is from February to 

 June, inclusive, though portions of it have occurred in every 

 month of the year but September. In some cases it begins with 

 the autumnal rains in October or November and continues 

 throughout the winter, as in 1881 and 1889, though in some in- 

 stances this early autumnal rise is followed by a sharp and con- 



