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. 05385000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1911 - 2004 - time period 69 - non-zero values 0 - zero values 25 - years with missing values (not used) 285.000 267.000 240.000 251.000 235.000 260.000 280.000 175.000 200.000 175.000 85.000 137.000 203.000 186.000 82.000 240.000 180.000 190.000 260.000 360.000 220.000 260.000 280.000 316.000 260.000 240.000 190.000 195.000 365.000 290.000 262.000 315.000 170.000 200.000 180.000 150.000 256.000 270.000 256.000 319.000 238.000 210.000 226.000 260.000 234.000 226.000 260.000 310.000 322.000 305.000 640.000 410.000 315.000 298.000 205.000 315.000 295.000 405.000 365.000 539.000 426.000 350.000 490.000 250.000 385.000 347.000 370.000 454.000 420.000 The following 7 statistics are based on non-zero values: Mean (logs) 2.417 Variance (logs) 0.025 Standard Deviation (logs) 0.158 Skewness (logs) -0.535 Standard Error of Skewness (logs) 0.289 Serial Correlation Coefficient (logs) 0.575 Coefficient of Variation (logs) 0.065 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 97.633 0.0200 50.00 112.157 0.0500 20.00 136.710 0.1000 10.00 161.382 0.2000 5.00 194.875 0.5000 2.00 269.532 0.8000 1.25 356.122 0.9000 1.11 404.892 0.9600 1.04 458.543 0.9800 1.02 493.673 0.9900 1.01 525.330 =============================== 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. 05385000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1911 - 2004 - time period 69 - non-zero values 0 - zero values 25 - years with missing values (not used) 295.000 277.857 240.000 251.000 235.000 309.143 280.000 192.429 219.429 198.000 113.143 145.429 218.714 201.571 161.571 274.286 184.286 195.714 262.857 380.000 248.571 260.000 280.000 325.000 260.000 240.000 201.429 200.000 392.000 305.714 350.714 330.286 235.000 205.000 182.857 152.429 262.857 277.857 259.143 319.571 238.143 210.000 238.714 260.857 234.000 233.714 260.000 310.000 322.286 372.571 655.571 421.143 318.857 298.143 205.000 321.429 297.143 408.857 369.286 549.000 468.143 372.857 501.429 251.429 394.286 374.000 417.143 504.286 431.429 The following 7 statistics are based on non-zero values: Mean (logs) 2.442 Variance (logs) 0.020 Standard Deviation (logs) 0.143 Skewness (logs) 0.095 Standard Error of Skewness (logs) 0.289 Serial Correlation Coefficient (logs) 0.637 Coefficient of Variation (logs) 0.058 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 132.046 0.0200 50.00 143.521 0.0500 20.00 162.858 0.1000 10.00 182.475 0.2000 5.00 209.798 0.5000 2.00 275.515 0.8000 1.25 364.481 0.9000 1.11 423.143 0.9600 1.04 497.256 0.9800 1.02 552.584 0.9900 1.01 608.101 =============================== 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. 05385000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1911 - 2004 - time period 69 - non-zero values 0 - zero values 25 - years with missing values (not used) 307.000 285.067 240.000 255.467 235.000 352.100 289.167 220.133 256.600 235.967 180.000 206.200 241.900 222.967 194.067 347.233 209.000 249.500 290.600 418.000 278.667 272.000 320.667 372.267 264.000 248.000 221.667 207.667 416.333 312.000 375.667 358.067 251.500 224.667 220.433 159.200 284.633 298.067 266.800 323.000 243.633 210.467 248.867 271.167 236.233 256.900 264.267 315.500 326.733 412.733 678.833 433.233 333.767 299.367 227.500 330.667 371.733 417.567 370.167 593.100 534.267 452.667 557.333 289.167 428.200 408.700 451.000 547.700 488.500 The following 7 statistics are based on non-zero values: Mean (logs) 2.481 Variance (logs) 0.018 Standard Deviation (logs) 0.133 Skewness (logs) 0.517 Standard Error of Skewness (logs) 0.289 Serial Correlation Coefficient (logs) 0.613 Coefficient of Variation (logs) 0.054 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 166.783 0.0200 50.00 175.950 0.0500 20.00 191.845 0.1000 10.00 208.518 0.2000 5.00 232.623 0.5000 2.00 294.638 0.8000 1.25 387.392 0.9000 1.11 453.972 0.9600 1.04 544.188 0.9800 1.02 615.958 0.9900 1.01 691.756