1.030- 

 1.029- 

 1.028 

 1.027- 

 1.026- 

 1.025- 

 1.024- 

 1.023- 

 1.022- 

 1.021- 

 1.020- 

 1.019- 



1.018- 

 1.017- 



Year Mean, g/cm* 



1.0221 

 1.0222 



* *1990 



e © 1980 _ go 



JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 

 Month 



Figure 21. Daily water density values with monthly means 



48 



