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. 05075000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1931 - 2000 - time period 63 - non-zero values 7 - zero values 0 - years with missing values (not used) 18.000 25.000 88.000 108.000 68.000 131.000 417.000 550.000 469.000 336.000 480.000 260.000 200.000 650.000 220.000 118.000 108.000 122.000 70.000 134.000 16.000 1.500 16.000 4.200 10.000 50.000 140.000 34.000 300.000 780.000 155.000 18.000 725.000 424.000 278.000 250.000 121.000 657.000 600.000 114.000 47.000 349.000 200.000 59.000 70.000 183.000 421.000 69.000 383.000 260.000 77.000 51.000 35.000 48.000 44.000 51.000 122.000 182.000 141.000 460.000 456.000 380.000 728.000 The following 7 statistics are based on non-zero values: Mean (logs) 2.089 Variance (logs) 0.325 Standard Deviation (logs) 0.570 Skewness (logs) -0.940 Standard Error of Skewness (logs) 0.302 Serial Correlation Coefficient (logs) 0.591 Coefficient of Variation (logs) 0.273 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 2.449 0.1090 0.000 0.0200 50.00 4.524 0.1180 0.000 0.0500 20.00 10.612 0.1450 0.000 0.1000 10.00 21.171 0.1900 0.000 0.2000 5.00 45.022 0.2800 23.022 0.5000 2.00 150.304 0.5500 125.048 0.8000 1.25 375.927 0.8200 350.619 0.9000 1.11 547.161 0.9100 524.811 0.9600 1.04 760.856 0.9640 738.082 0.9800 1.02 908.749 0.9820 887.923 0.9900 1.01 1043.334 0.9910 1027.447 Note -- Adjusted parameter values include zero values and correspond with non-exceedance probabilities in column 1 and recurrence interval in column 2. Estimated values in column 3 are based on non-zero values. =============================== 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. 05075000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1931 - 2000 - time period 66 - non-zero values 4 - zero values 0 - years with missing values (not used) 53.571 1.286 0.029 0.571 27.429 93.143 117.286 72.571 135.000 430.714 578.571 473.286 341.143 550.000 260.000 344.286 685.714 398.571 200.714 123.143 235.714 131.286 138.429 21.571 11.929 26.857 6.157 10.857 61.286 191.429 38.714 397.143 811.429 164.000 22.571 734.429 551.714 340.714 282.571 144.571 666.000 608.571 114.857 55.286 357.286 300.000 59.000 72.857 195.143 505.286 82.714 409.714 264.857 84.000 65.429 52.429 58.000 53.000 52.714 239.857 247.286 343.000 488.571 506.571 589.286 911.429 The following 7 statistics are based on non-zero values: Mean (logs) 2.069 Variance (logs) 0.610 Standard Deviation (logs) 0.781 Skewness (logs) -2.203 Standard Error of Skewness (logs) 0.295 Serial Correlation Coefficient (logs) 0.706 Coefficient of Variation (logs) 0.377 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.149 0.0666 0.000 0.0200 50.00 0.561 0.0760 0.000 0.0500 20.00 3.182 0.1043 0.000 0.1000 10.00 11.656 0.1514 2.628 0.2000 5.00 41.818 0.2457 22.509 0.5000 2.00 212.265 0.5286 188.913 0.8000 1.25 452.722 0.8114 441.666 0.9000 1.11 533.873 0.9057 528.565 0.9600 1.04 577.438 0.9623 575.798 0.9800 1.02 589.865 0.9811 589.150 0.9900 1.01 595.260 0.9906 594.932 Note -- Adjusted parameter values include zero values and correspond with non-exceedance probabilities in column 1 and recurrence interval in column 2. Estimated values in column 3 are based on non-zero values. =============================== 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. 05075000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1931 - 2000 - time period 66 - non-zero values 4 - zero values 0 - years with missing values (not used) 77.500 6.533 0.373 3.753 41.133 105.267 133.200 94.567 146.600 462.000 690.667 491.500 357.533 568.333 261.333 373.300 1359.667 445.600 278.233 163.800 246.133 142.333 146.167 64.100 31.650 36.133 16.020 16.767 167.933 286.667 79.733 612.133 865.333 204.100 37.267 762.633 631.667 408.567 518.667 181.000 691.900 733.667 115.600 87.033 359.467 673.333 59.533 74.733 536.367 592.433 236.533 472.400 425.533 84.000 68.533 59.767 59.367 58.367 68.600 494.500 277.800 458.600 865.000 723.500 633.833 936.333 The following 7 statistics are based on non-zero values: Mean (logs) 2.233 Variance (logs) 0.407 Standard Deviation (logs) 0.638 Skewness (logs) -1.545 Standard Error of Skewness (logs) 0.295 Serial Correlation Coefficient (logs) 0.680 Coefficient of Variation (logs) 0.286 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 1.237 0.0666 0.000 0.0200 50.00 2.970 0.0760 0.000 0.0500 20.00 9.666 0.1043 0.000 0.1000 10.00 24.185 0.1514 8.472 0.2000 5.00 62.603 0.2457 39.476 0.5000 2.00 245.289 0.5286 220.490 0.8000 1.25 570.773 0.8114 552.799 0.9000 1.11 749.734 0.9057 737.443 0.9600 1.04 908.672 0.9623 900.827 0.9800 1.02 986.193 0.9811 980.868 0.9900 1.01 1038.726 0.9906 1035.464 Note -- Adjusted parameter values include zero values and correspond with non-exceedance probabilities in column 1 and recurrence interval in column 2. Estimated values in column 3 are based on non-zero values.