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. 05129115 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1980 - 2004 - time period 24 - non-zero values 0 - zero values 1 - years with missing values (not used) 38.000 106.000 215.000 179.000 46.000 274.000 218.000 82.000 52.000 122.000 78.000 164.000 151.000 230.000 215.000 110.000 197.000 62.000 45.000 160.000 189.000 183.000 53.000 75.000 The following 7 statistics are based on non-zero values: Mean (logs) 2.060 Variance (logs) 0.071 Standard Deviation (logs) 0.267 Skewness (logs) -0.409 Standard Error of Skewness (logs) 0.472 Serial Correlation Coefficient (logs) 0.059 Coefficient of Variation (logs) 0.130 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 22.914 0.0200 50.00 28.521 0.0500 20.00 39.105 0.1000 10.00 51.111 0.2000 5.00 69.584 0.5000 2.00 119.826 0.8000 1.25 194.465 0.9000 1.11 244.854 0.9600 1.04 307.907 0.9800 1.02 353.885 0.9900 1.01 398.762 =============================== 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. 05129115 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1980 - 2004 - time period 24 - non-zero values 0 - zero values 1 - years with missing values (not used) 39.714 112.000 235.571 203.286 47.286 276.714 218.857 82.571 59.429 124.143 81.429 185.000 154.000 230.714 216.286 125.143 202.000 70.429 52.429 163.857 197.429 188.429 54.286 86.857 The following 7 statistics are based on non-zero values: Mean (logs) 2.086 Variance (logs) 0.067 Standard Deviation (logs) 0.260 Skewness (logs) -0.451 Standard Error of Skewness (logs) 0.472 Serial Correlation Coefficient (logs) 0.039 Coefficient of Variation (logs) 0.124 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 24.987 0.0200 50.00 31.073 0.0500 20.00 42.502 0.1000 10.00 55.376 0.2000 5.00 75.009 0.5000 2.00 127.465 0.8000 1.25 203.262 0.9000 1.11 253.204 0.9600 1.04 314.469 0.9800 1.02 358.347 0.9900 1.01 400.570 =============================== 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. 05129115 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1980 - 2004 - time period 24 - non-zero values 0 - zero values 1 - years with missing values (not used) 53.400 158.433 267.833 275.567 60.100 284.667 231.200 87.467 101.533 127.500 115.567 264.133 162.567 239.167 237.067 148.667 267.600 80.533 59.000 173.867 219.100 208.500 57.700 141.100 The following 7 statistics are based on non-zero values: Mean (logs) 2.166 Variance (logs) 0.060 Standard Deviation (logs) 0.244 Skewness (logs) -0.558 Standard Error of Skewness (logs) 0.472 Serial Correlation Coefficient (logs) -0.044 Coefficient of Variation (logs) 0.113 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 31.646 0.0200 50.00 39.339 0.0500 20.00 53.640 0.1000 10.00 69.521 0.2000 5.00 93.289 0.5000 2.00 154.369 0.8000 1.25 237.251 0.9000 1.11 288.860 0.9600 1.04 349.274 0.9800 1.02 390.730 0.9900 1.01 429.282