20 r 



Figure 5. — Average monthly salinity by zone in Clear Lake, Tex., 1958. 



30r 



£ 20 ■ 



CLEAR LAKE 



■ ZONE n 

 ZONE m 



0'- 



16 



I I I I I I I I I I I I I I I M M I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I M I I I I I I I I I I I I I I I I I I I I 



CLEAR CREEK 



I I 1 1 1 I I I I I Tp I I I I I I I I I I 1 1 I 1 1 1 1 I I I I 1 1 I 1 1 I I 1 1 1 1 1 1 1 I I I 1 1 I M I I I I I I I n I 1 1 i T i 1 1 I I I I I I I I I I I r I I I I I 1 1 M I 1 1 I I I M I I I n 



JMMJSNJMMJSNJMMJSNJMMJSNJMMJSNJMMJSNJMMJSNJMMJSNJMMJSN 



19 7 



1958 



1959 



I960 



1961 



1962 



1963 



1964 



1965 



1966 



Figure 6.— Average monthly salinity and stream flow into Clear Lake, Tex. (1958-66). The Clear Creek gaging 

 station was not in operation from May 1960 through May 1963. 



