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. 05131000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1943 - 1979 - time period 31 - non-zero values 0 - zero values 6 - years with missing values (not used) 4.200 6.500 8.000 5.800 6.500 5.500 6.500 5.500 8.500 6.200 7.600 4.500 4.200 0.600 1.600 2.500 6.300 5.200 7.100 3.000 12.000 8.700 8.500 11.000 9.500 11.000 12.000 9.800 2.200 3.000 8.300 The following 7 statistics are based on non-zero values: Mean (logs) 0.746 Variance (logs) 0.081 Standard Deviation (logs) 0.284 Skewness (logs) -1.608 Standard Error of Skewness (logs) 0.421 Serial Correlation Coefficient (logs) 0.478 Coefficient of Variation (logs) 0.380 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.607 0.0200 50.00 0.905 0.0500 20.00 1.545 0.1000 10.00 2.339 0.2000 5.00 3.588 0.5000 2.00 6.586 0.8000 1.25 9.503 0.9000 1.11 10.659 0.9600 1.04 11.529 0.9800 1.02 11.908 0.9900 1.01 12.147 =============================== 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. 05131000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1943 - 1979 - time period 31 - non-zero values 0 - zero values 6 - years with missing values (not used) 4.200 8.286 8.371 6.629 6.500 5.500 6.500 5.500 8.757 6.286 7.657 4.543 4.500 2.200 1.700 2.957 6.329 5.257 7.186 3.000 12.143 9.986 8.700 11.000 9.500 11.000 12.286 9.871 2.229 3.386 8.429 The following 7 statistics are based on non-zero values: Mean (logs) 0.781 Variance (logs) 0.053 Standard Deviation (logs) 0.230 Skewness (logs) -0.804 Standard Error of Skewness (logs) 0.421 Serial Correlation Coefficient (logs) 0.458 Coefficient of Variation (logs) 0.294 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 1.305 0.0200 50.00 1.646 0.0500 20.00 2.279 0.1000 10.00 2.975 0.2000 5.00 3.994 0.5000 2.00 6.472 0.8000 1.25 9.491 0.9000 1.11 11.177 0.9600 1.04 12.973 0.9800 1.02 14.099 0.9900 1.01 15.071 =============================== 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. 05131000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1943 - 1979 - time period 31 - non-zero values 0 - zero values 6 - years with missing values (not used) 4.313 8.733 9.200 7.150 7.217 5.933 6.950 6.050 9.243 6.460 7.987 5.280 6.183 4.337 3.533 5.580 6.610 5.427 7.460 3.617 14.700 12.033 9.280 11.800 10.200 11.500 12.833 10.270 2.433 4.410 8.853 The following 7 statistics are based on non-zero values: Mean (logs) 0.846 Variance (logs) 0.034 Standard Deviation (logs) 0.183 Skewness (logs) -0.442 Standard Error of Skewness (logs) 0.421 Serial Correlation Coefficient (logs) 0.289 Coefficient of Variation (logs) 0.217 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 2.295 0.0200 50.00 2.675 0.0500 20.00 3.333 0.1000 10.00 4.016 0.2000 5.00 4.973 0.5000 2.00 7.229 0.8000 1.25 10.057 0.9000 1.11 11.752 0.9600 1.04 13.708 0.9800 1.02 15.043 0.9900 1.01 16.285