MONTHLY MEAN SEfl LEVEL 



STRTION NO. 8771450 

 GflLVESTGN (PIER 21), TX 



YEARLY MERN SER LEVEL 



STRTION NO. 8771450 



GRLVESTON (PIER 21), TX 



a 3.9 



3.5 



3.1 



1980 



1908 TO 1980 



4.7- 



4.3- 



3.9- 



3.5 



-1 1 3.1 



lilt 



Jf)N TEB riRR APR rWY JUN JUL flUG SEP OCT NOV DEC "SO 18B5 laeo ib95 i9io laas 1940 1955 1970 I9S5 



MONTH 



YEAR 



5.4-1 



MONTHLY MERN SER LEVEL 

 STRTION NO. 8772440 

 FREEPORT HRRBOR, TX 



5.4 



5.0 



4.8 



4.3 



3 J 



3.4 



YERRLY MERN SER LEVEL 

 STRTION NO. 8772440 

 FREEPORT HRRBOR, TX 



-1 — 1 — 1 — I — I — 1 — r- 



JflN FEB WW flPR MAY JUN JUL AUG SEP OCT NOV DEC '"SO IKS laeo iS95 igio 1935 1940 I9S5 U70, 1995 

 MONTH l''^^" 



MONTHLY MERN SER LEVEL 



STRTION NO. 8774770 



ROCKPORT, IX 



6.9 



6.5- 



6.1- 



5.7 



5.3- 



1 4.9 



YERRLY MERN SER LEVEL 



STRTION NO. Q77A770 



ROCKPORT, TX 



\ 



JAN PEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ' i'»5o lass laeo I69S 1910 i9as 1940 1955 i970 1995 

 MONTH ''^'^^ 



54 



