\ 



en 



1.027 



1.026 



1.025 



1.024 



1.023 : 



1.022 -J 



1.021- 



1.020 



1.019 



1.018 



1.017 



Year Mean, g/cm**3 



x *1987 1.0217 



»— -c 1980-87 1.0222 



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

 Month 



Figure 21. Daily water density values with monthly means 



47 



