Mississippi River at Newport, MN near 4th street (Agency code: UM 831.0)

Descriptive Statistics of Concentration Data (Milligrams/Liter) 

                  TN_N     NOx_N     NHx_N       TP_P     SRP_P       TSS       Cl
Total obs. =       234       404       686       430       317       402        47
Start date =  05/15/80  05/15/80  05/06/80  05/15/80  06/10/80  05/15/80  05/05/92
End date   =  12/17/96  12/17/96  12/17/96  12/17/96  12/17/96  12/17/96  12/17/96
Mx smp int days=    98        34        23        35        56        37       100
Mean samp int=    26.0      15.0       8.9      14.1      19.1      15.1      36.7
Stdv samp int=    12.6       4.4       3.7       5.0      10.1       4.6      37.7
Mean conc. =      3.83      2.36     0.398     0.252     0.144      41.8      25.3
Stdev conc.=      1.39      1.44     0.411     0.093     0.077      43.9       9.8
Min conc.  =      1.51      0.12     0.020     0.010     0.020       1.0      14.0
25% conc.  =      2.98      1.38     0.100     0.180     0.094      12.0      19.0
Med. conc. =      3.45      2.04     0.280     0.240     0.130      30.0      25.0
75% conc.  =      4.42      3.00     0.580     0.300     0.175      52.0      28.0
Max conc.  =     10.29      9.34     4.200     0.690     0.550     360.0      71.0

Flow summaries are in the LOADEST2 diagnostic information

TN_N    = Total Nitrogen (as N)
          (Total Kjeldahl Nitrogen + Nitrate + Nitrite)
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 Orthophosphate) 
TSS     = Total Suspended Solids
Cl      = Dissolved Chloride (as Cl)