0.5 



0.4 



0.3 



0.2 



0.1 







-0.1 



-0.2 



-0.3 



-0.4 



-0.5 



—I 1 1 1 r 



1973 Meon Range (ft) 

 (Mor.- Aug.) 



Port Arthur 1. 10 



North Sobin* Loke 0.91 

 Sabine Pass 1.90 



T r 



Port Arthur ( Feb. to Nov. excluding Sept., R : 1.09 ) 



North Sobine Lol(e ( Jon. to Dec, R = 0.97) 



Sobine Pass, NOS ( Mor. to Aug.) 



Jon. Feb. Mor. Apr. Moy June July Aug. Sept. Oct. Nov. Dec. 



Figure 74. Sabine Lake monthly mean tidal 

 range variability, 1973. 



2.40 

 2 20 

 2.00 

 1.80 

 1.60 



r 1.40 

 I '-20 



5 1.00 



^ 0.80 



'^ 0.60 



0.40 



0.20 







-0.20 



-0.40 



- -I 1 i I 1 1 1 1 



1 1 1 



High ^-'^'^ \^^^ / 



\ : 



; / 



\ \ 



: / ^..^ /"• 



\ ^ 



- I^eon Ronge : 0.94 / Sponge 

 / 



\ 

 \ 

 \ 



1 



/ 

 1 



- A 



- ' \ ' 



MSL 



/ 



- 



- 



- 



1 1 1 1 ' 1 1 -1— 



1 1 1 



Jon. Feb. Mor. Apr. Mcy June July Aug. SepI Oct. Nov. Dec. 



Figure 75. Mean monthly highs, lows, and ranges. 

 Port Arthur canal SWG gage, 1936. 



82 



