1 STATION NAME: Mississippi River at St Paul, MN STATION NUMBER: UM 839.1 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Nitrogen LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 376 NUMBER OF UNCENSORED OBS.: 376 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 13229. 1070. 2728. 4873. 8585. 17000. 32030. 82300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15570. 723. 3500. 5620. 10400. 20900. 35680. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.0451E+01 + 5.5862E-01 LN(FLOW) + 3.8735E-02 LN(FLOW)**2 + 1.1995E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.191 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 85.71 ( 72 DF) PROBABILITY LEVEL = 0.129 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 2.0451E+01 + 5.5862E-01 LN(FLOW) + 3.8735E-02 LN(FLOW)**2 + 1.1995E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.191 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 1.7517E+01 + 1.8450E-01 LN(FLOW) + 6.0415E-02 LN(FLOW)**2 + 1.1322E-02 DECTIME NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY CRITERIA DID NOT SELECT SAME BEST FIT MODEL. MODEL SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION. 1 STATION: Mississippi River at St Paul, MN (CONTINUED) STATION NUMBER: UM 839.1 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 280. 190. 100. 53. STD DEV LOAD (TON/DAY) 7. 15. 8. 3. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 4. 5. 5. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 35. 79. 192. 413. 584. 988. 1941. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 280. 190. 100. 53. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 4. 5. 5. 7. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 35. 79. 192. 414. 584. 991. 1956. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 160. 300. 200. 110. 52. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 2. 2. 3. 3. 5. 5. 6. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 3. 34. 78. 195. 435. 627. 1108. 2289. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 150. 1 STATION NAME: Mississippi River at St Paul, MN STATION NUMBER: UM 839.1 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Nitrate + Nitrite LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 583 NUMBER OF UNCENSORED OBS.: 582 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15112. 1070. 3352. 5300. 9640. 20000. 35200. 82300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15570. 723. 3500. 5620. 10400. 20900. 35680. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.4101E+01 + 1.7298E+00 LN(FLOW) + 8.2522E-02 SIN(DECTIME) + 2.9698E-01 COS(DECTIME) + 2.4761E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.673 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 179.50 (113 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = - 5.4014E+01 + 1.7292E+00 LN(FLOW) + 8.2072E-02 SIN(DECTIME) + 2.9595E-01 COS(DECTIME) + 2.4720E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.672 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = - 5.4012E+01 + 1.7214E+00 LN(FLOW) + 8.2870E-02 SIN(DECTIME) + 2.4923E-01 COS(DECTIME) + 2.4782E-02 DECTIME 1 STATION: Mississippi River at St Paul, MN (CONTINUED) STATION NUMBER: UM 839.1 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 130. 280. 130. 79. 39. STD DEV LOAD (TON/DAY) 8. 20. 9. 6. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 4. 5. 6. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 16. 50. 140. 377. 600. 1089. 2175. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 130. 270. 130. 78. 38. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 4. 5. 6. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 16. 49. 137. 369. 587. 1066. 2130. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 130. 270. 140. 76. 36. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 3. 4. 5. 6. 8. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 15. 48. 136. 371. 587. 1065. 2187. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 100. 1 STATION NAME: Mississippi River at St Paul, MN STATION NUMBER: UM 839.1 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Dissolved Ammonia LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 614 NUMBER OF UNCENSORED OBS.: 569 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15289. 1070. 3390. 5360. 9800. 20250. 35350. 82300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15570. 723. 3500. 5620. 10400. 20900. 35680. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.7142E+02 - 1.0309E+00 LN(FLOW) + 9.2050E-02 LN(FLOW)**2 + 4.4130E-01 SIN(DECTIME) + 4.8500E-01 COS(DECTIME) - 8.0973E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.557 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 134.04 (119 DF) PROBABILITY LEVEL = 0.164 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 1.6053E+02 - 9.9859E-01 LN(FLOW) + 9.0513E-02 LN(FLOW)**2 + 4.1950E-01 SIN(DECTIME) + 4.6578E-01 COS(DECTIME) - 7.5556E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.532 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 1.6071E+02 - 9.9317E-01 LN(FLOW) + 9.0214E-02 LN(FLOW)**2 + 3.5917E-01 SIN(DECTIME) + 5.3711E-01 COS(DECTIME) - 7.5649E-02 DECTIME 1 STATION: Mississippi River at St Paul, MN (CONTINUED) STATION NUMBER: UM 839.1 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 7. 14. 4. 4. 7. STD DEV LOAD (TON/DAY) 0. 1. 0. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 1. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 5. 9. 14. 20. 36. 59. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 8. 14. 5. 5. 7. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 1. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 5. 9. 14. 21. 36. 59. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 8. 13. 5. 5. 8. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 1. 1. 1. 2. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 1. 3. 6. 9. 14. 20. 34. 55. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 7.8 - 7.9 1 STATION NAME: Mississippi River at St Paul, MN STATION NUMBER: UM 839.1 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Phosphorus LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 613 NUMBER OF UNCENSORED OBS.: 613 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15326. 1070. 3388. 5375. 9820. 20300. 35360. 82300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15570. 723. 3500. 5620. 10400. 20900. 35680. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 9.0947E+00 + 1.0493E+00 LN(FLOW) - 2.0687E-02 SIN(DECTIME) - 3.2268E-01 COS(DECTIME) - 4.9339E-03 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.175 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 138.87 (119 DF) PROBABILITY LEVEL = 0.103 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 9.0947E+00 + 1.0493E+00 LN(FLOW) - 2.0687E-02 SIN(DECTIME) - 3.2268E-01 COS(DECTIME) - 4.9339E-03 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.175 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 9.1442E+00 + 1.0412E+00 LN(FLOW) - 4.7306E-02 SIN(DECTIME) - 3.3752E-01 COS(DECTIME) - 4.9207E-03 DECTIME NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY CRITERIA DID NOT SELECT SAME BEST FIT MODEL. MODEL SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION. 1 STATION: Mississippi River at St Paul, MN (CONTINUED) STATION NUMBER: UM 839.1 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 8. 12. 11. 5. 2. STD DEV LOAD (TON/DAY) 0. 0. 0. 0. 0. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 4. 10. 19. 24. 37. 66. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 8. 12. 11. 5. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 4. 10. 19. 24. 37. 66. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 8. 12. 11. 5. 2. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 2. 4. 10. 19. 24. 37. 65. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 7.6 1 STATION NAME: Mississippi River at St Paul, MN STATION NUMBER: UM 839.1 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Soluble Reactive Phosphorus (measured as Orthophosphate) LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 381 NUMBER OF UNCENSORED OBS.: 368 CALIBRATION DATA PERIOD OF RECORD: 1977 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 17208. 1070. 4474. 6310. 11800. 23200. 38700. 82300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15570. 723. 3500. 5620. 10400. 20900. 35680. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.1347E+01 + 1.1324E+00 LN(FLOW) - 1.7010E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.716 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 163.49 ( 73 DF) PROBABILITY LEVEL = 0.001 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 3.1361E+01 + 1.1300E+00 LN(FLOW) - 1.7000E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.695 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 2.7950E+01 + 1.1596E+00 LN(FLOW) - 1.5335E-02 DECTIME NOTE: AIKAIKE INFORMATION CRITERION AND SCHWARZ POSTERIOR PROBABILITY CRITERIA DID NOT SELECT SAME BEST FIT MODEL. MODEL SELECTED ON BASIS OF AIKAIKE INFORMATION CRITERION. 1 STATION: Mississippi River at St Paul, MN (CONTINUED) STATION NUMBER: UM 839.1 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.60 6.10 4.10 2.60 1.50 STD DEV LOAD (TON/DAY) 0.22 0.47 0.26 0.14 0.08 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 5. 8. 11. 19. 26. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.40 5.80 3.90 2.50 1.40 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 5. 8. 11. 18. 25. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3.50 6.00 4.00 2.50 1.40 PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 0. 0. 0. 0. 0. 0. 0. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 0. 1. 2. 5. 8. 11. 19. 27. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 3.2 1 STATION NAME: Mississippi River at St Paul, MN STATION NUMBER: UM 839.1 DRAINAGE AREA: 36800.0 SQUARE MILES CONSTITUENT: Total Suspended Solids LOAD ESTIMATES FOR 19760101 TO 19961231 TOTAL NUMBER OF OBS.: 583 NUMBER OF UNCENSORED OBS.: 583 CALIBRATION DATA PERIOD OF RECORD: 1976 TO 1996 CALIBRATION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15102. 1070. 3340. 5270. 9640. 19300. 35580. 82300. PREDICTION DATA SET STREAMFLOW SUMMARY STATISTICS MEAN MINIMUM 10TH PCT 25TH PCT MEDIAN 75TH PCT 90TH PCT MAXIMUM 15570. 723. 3500. 5620. 10400. 20900. 35680. 104000. MAXIMUM LIKELIHOOD ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.5717E+01 + 1.4925E+00 LN(FLOW) - 2.8321E-01 SIN(DECTIME) - 9.0977E-01 COS(DECTIME) - 2.7852E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.419 TURNBULL-WEISS LIKELIHOOD RATIO NORMALITY TEST STATISTIC = 103.18 (113 DF) PROBABILITY LEVEL = 0.735 LINEAR ATTRIBUTION ESTIMATE OF BEST FIT MODEL --------------------------------------------- LN(LOAD) = + 5.5717E+01 + 1.4925E+00 LN(FLOW) - 2.8321E-01 SIN(DECTIME) - 9.0977E-01 COS(DECTIME) - 2.7852E-02 DECTIME ESTIMATED RESIDUAL VARIANCE = 0.419 LEAST ABSOLUTE DEVIATION ESTIMATE OF BEST FIT MODEL --------------------------------------------------- LN(LOAD) = + 5.5330E+01 + 1.4450E+00 LN(FLOW) - 3.2909E-01 SIN(DECTIME) - 9.0037E-01 COS(DECTIME) - 2.7449E-02 DECTIME WARNING: MAXIMUM PREDICTED CONCENTRATION EXCEEDS 100000 UG/L 1 STATION: Mississippi River at St Paul, MN (CONTINUED) STATION NUMBER: UM 839.1 LOADS ESTIMATED BY RATING CURVE METHOD (MAXIMUM LIKELIHOOD PARAM. EST.) ----------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2900. 4300. 5600. 1400. 250. STD DEV LOAD (TON/DAY) 130. 240. 290. 78. 11. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 14. 35. 67. 103. 122. 166. 213. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 17. 271. 853. 3538. 8108. 11521. 23243. 55177. LOADS ESTIMATED BY RATING CURVE METHOD (LINEAR ATTRIBUTION PARAM. EST.) ---------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 3000. 4400. 5700. 1400. 250. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 5. 15. 35. 68. 104. 124. 169. 216. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 17. 275. 864. 3587. 8218. 11681. 23573. 55997. LOADS ESTIMATED BY RATING CURVE METHOD (LEAST ABSOLUTE DEVIATION PARAM. EST.) ----------------------------------------------------------------------------- ANNUAL SPRING SUMMER FALL WINTER AVERAGE LOAD (TON/DAY) 2800. 4000. 5500. 1500. 260. PREDICTED CONCENTRATION SUMMARY STATISTICS (MG/L) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 6. 15. 36. 68. 101. 117. 159. 196. PREDICTED LOAD SUMMARY STATISTICS (TON/DAY) MINIMUM 25TH PCT MEDIAN 75TH PCT 90TH PCT 95TH PCT 99TH PCT MAXIMUM 20. 283. 887. 3526. 7707. 10852. 21156. 49963. LOAD ESTIMATED BY BEALE RATIO ESTIMATOR --------------------------------------- AVERAGE ANNUAL LOAD (TON/DAY): 2600.