Chippewa River at Durand, WI (Agency code: 05369500)

Descriptive Statistics of Concentration Data (Milligrams/Liter) 

                  TN_N     NOx_N     NHx_N      TP_P     SRP_P       TSS        Cl   SiO2_Si
Total obs. =       155       158        98       159        74       226       159       158
Start date =  10/02/74  10/02/74  10/08/79  10/02/74  10/14/81  03/14/73  10/02/74  10/02/74
End date   =  08/09/94  08/09/94  08/09/94  08/09/94  08/09/94  08/09/94  08/09/94  08/09/94
Mx smp int days=   154       132       132       132       132       409       132       132
Mean samp int=    47.1      46.2      55.9      45.9      64.1      34.7      45.9      46.2
Stdv samp int=    25.1      23.6      24.9      23.4      22.8      48.0      23.4      23.6
Mean conc. =      1.27      0.51     0.084     0.105     0.037      44.7       5.1      4.39
Stdev conc.=      0.39      0.24     0.104     0.067     0.022      58.1       1.5      1.24
Min conc.  =      0.37      0.02     0.000     0.000     0.010       1.0       2.0      1.68
25% conc.  =      1.00      0.33     0.020     0.070     0.020      13.0       4.0      3.55
Med. conc. =      1.20      0.47     0.055     0.090     0.030      26.0       4.9      4.25
75% conc.  =      1.40      0.66     0.110     0.110     0.050      54.0       5.8      5.14
Max conc.  =      3.10      1.20     0.720     0.520     0.110     413.0      13.0      7.01

Flow summaries are in the LOADEST2 diagnostic information

TN_N    = Total Nitrogen (as N)
NOx_N   = Total Nitrate + Nitrite (as N)
NHx_N   = Dissolved Ammonia (as N)
TP_P    = Total Phosphorus (as P)
SRP_P   = Soluble Reactive Phosphorus (as P)
          (measured as Dissolved Orthophosphate) 
TSS     = Total Suspended Solids
Cl      = Dissolved Chloride (as Cl)
SiO2_Si = Dissolved Silicon (as Si)
          (Converted from original concentrations measured 
           as Dissolved Silica (as SiO2))