DISSOLVED BARIUM

The measurements shown below were made at USGS station 01209710, located on the Norwalk River near the Perry Avenue bridge. All of the measurements are in micrograms per liter, as Ba. For details about the data, press here.

The highest reading, 48, occurred in 10/93, and the lowest, 14, in 6/97. All of the readings above 44 (7 percent of the samples), are shown in red and all that are below 14 (another 7 percent), are in blue.

 Averages by
Season and by
5-year Period:
 
(Overall = 34.6)
Jan-Mar36.3
Apr-Jun 33.4
Jul-Sep 33.7
Oct-Dec 36.3
1980-84 0.000
1985-89 0.000
1990-94 39.1
1995-99 34.0

YearJanFebMar AprMayJunJulAug SepOctNovDec
1993           41 35   30 48    
1994                   42   32
1995   37   30   35 34 35 26 33    
1996 42 35   40   41 44 42 35 35   28
1997   31   33   14 33 43 14