Minnesota River near Ft. Snelling, MN (Agency code: Mi-3.5) Descriptive Statistics of Concentration Data (Milligrams/Liter) TN_N NOx_N NHx_N TP_P TSS Cl Total obs. = 122 130 136 130 135 3 Start date = 10/27/80 10/27/80 08/19/74 10/27/80 08/19/74 08/21/74 End date = 09/15/94 09/23/97 09/23/97 09/23/97 09/23/97 10/27/80 Mx smp int days= 154 774 2256 774 2256 2258 Mean samp int= 41.9 47.9 62.5 47.9 63.0 1130 Stdv samp int= 24.3 69.2 202 69.2 203 1596 Mean conc. = 6.71 4.47 0.573 0.400 93.2 40.0 Stdev conc.= 3.58 3.76 0.699 0.459 96.7 10.1 Min conc. = 1.29 0.05 0.020 0.124 3.0 31.0 25% conc. = 4.09 1.48 0.140 0.247 40.0 31.0 Med. conc. = 6.03 3.80 0.265 0.312 65.0 38.0 75% conc. = 9.02 6.70 0.780 0.397 120.0 51.0 Max conc. = 20.10 18.00 3.580 3.680 630.0 51.0 Flow summaries are in the LOADEST2 diagnostic information TN_N = Total Nitrogen (as N) (Total Kjeldahl Nitrogen + Nitrate + Nitrite) NOx_N = Nitrate + Nitrite (as N) NHx_N = Total Ammonia (as N) TP_P = Total Phosphorus (as P) TSS = Total Suspended Solids Cl = Total Chloride (as Cl)