Log-Pearson Type III Statistics Notice -- Use of Log-Pearson Type III or Pearson-Type III distributions are for preliminary computations. User is responsible for assessment and interpretation. 05064500 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1962 - 2004 - time period 42 - non-zero values 0 - zero values 1 - years with missing values (not used) 270.000 225.000 164.000 450.000 500.000 134.000 231.000 178.000 115.000 180.000 430.000 185.000 174.000 390.000 10.000 31.000 160.000 370.000 123.000 160.000 206.000 340.000 124.000 894.000 842.000 268.000 64.000 100.000 70.000 150.000 270.000 815.000 741.000 474.000 228.000 900.000 658.000 730.000 1100.000 800.000 445.000 225.000 The following 7 statistics are based on non-zero values: Mean (logs) 2.395 Variance (logs) 0.173 Standard Deviation (logs) 0.416 Skewness (logs) -0.927 Standard Error of Skewness (logs) 0.365 Serial Correlation Coefficient (logs) 0.468 Coefficient of Variation (logs) 0.174 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 14.356 0.0200 50.00 22.415 0.0500 20.00 41.648 0.1000 10.00 68.825 0.2000 5.00 119.226 0.5000 2.00 287.434 0.8000 1.25 562.801 0.9000 1.11 741.899 0.9600 1.04 946.519 0.9800 1.02 1079.771 0.9900 1.01 1196.589 =============================== Log-Pearson Type III Statistics (based on USGS Program A193) Notice -- Use of Log-Pearson Type III or Pearson-Type III distributions are for preliminary computations. User is responsible for assessment and interpretation. 05064500 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1962 - 2004 - time period 42 - non-zero values 0 - zero values 1 - years with missing values (not used) 270.714 225.000 177.000 511.714 500.000 140.000 245.714 179.714 124.571 193.571 430.000 200.143 243.000 411.429 16.857 37.000 160.000 381.571 124.857 168.143 249.286 380.000 136.857 922.143 878.286 275.000 75.429 105.571 74.000 194.286 295.000 835.429 818.571 531.571 256.143 908.571 742.857 730.000 1100.000 800.000 450.286 244.714 The following 7 statistics are based on non-zero values: Mean (logs) 2.431 Variance (logs) 0.153 Standard Deviation (logs) 0.392 Skewness (logs) -0.726 Standard Error of Skewness (logs) 0.365 Serial Correlation Coefficient (logs) 0.490 Coefficient of Variation (logs) 0.161 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 20.812 0.0200 50.00 30.456 0.0500 20.00 52.062 0.1000 10.00 80.987 0.2000 5.00 132.546 0.5000 2.00 300.365 0.8000 1.25 583.672 0.9000 1.11 780.380 0.9600 1.04 1022.060 0.9800 1.02 1191.805 0.9900 1.01 1350.664 =============================== Log-Pearson Type III Statistics (based on USGS Program A193) Notice -- Use of Log-Pearson Type III or Pearson-Type III distributions are for preliminary computations. User is responsible for assessment and interpretation. 05064500 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1962 - 2004 - time period 42 - non-zero values 0 - zero values 1 - years with missing values (not used) 294.167 225.000 208.067 625.300 518.000 169.133 313.533 215.533 152.200 293.533 434.333 252.333 327.167 447.333 31.667 56.033 165.667 451.367 137.233 260.867 274.067 437.700 189.733 939.033 944.367 318.767 111.667 110.333 86.267 300.933 312.367 869.367 878.333 754.333 406.167 923.000 813.333 774.000 1118.667 817.667 490.833 289.167 The following 7 statistics are based on non-zero values: Mean (logs) 2.507 Variance (logs) 0.124 Standard Deviation (logs) 0.352 Skewness (logs) -0.636 Standard Error of Skewness (logs) 0.365 Serial Correlation Coefficient (logs) 0.520 Coefficient of Variation (logs) 0.141 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 33.689 0.0200 50.00 46.734 0.0500 20.00 74.309 0.1000 10.00 109.222 0.2000 5.00 168.455 0.5000 2.00 350.041 0.8000 1.25 644.219 0.9000 1.11 846.877 0.9600 1.04 1097.724 0.9800 1.02 1276.337 0.9900 1.01 1446.023