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. 04015330- streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1975 - 2004 - time period 27 - non-zero values 2 - zero values 1 - years with missing values (not used) 1.500 1.200 7.800 3.900 1.300 2.400 8.400 4.500 4.000 9.800 10.000 1.300 1.900 0.100 2.100 2.800 4.700 5.600 5.000 5.300 7.100 5.900 1.200 7.000 2.400 2.800 3.000 The following 7 statistics are based on non-zero values: Mean (logs) 0.491 Variance (logs) 0.172 Standard Deviation (logs) 0.415 Skewness (logs) -1.765 Standard Error of Skewness (logs) 0.448 Serial Correlation Coefficient (logs) 0.192 Coefficient of Variation (logs) 0.846 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.111 0.0783 0.000 0.0200 50.00 0.206 0.0876 0.000 0.0500 20.00 0.467 0.1155 0.000 0.1000 10.00 0.877 0.1621 0.317 0.2000 5.00 1.666 0.2552 1.139 0.5000 2.00 4.037 0.5345 3.718 0.8000 1.25 6.671 0.8138 6.524 0.9000 1.11 7.712 0.9069 7.629 0.9600 1.04 8.450 0.9628 8.410 0.9800 1.02 8.746 0.9814 8.723 0.9900 1.01 8.919 0.9907 8.906 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. 04015330 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1975 - 2004 - time period 27 - non-zero values 2 - zero values 1 - years with missing values (not used) 1.700 1.771 8.900 3.914 1.743 2.743 10.557 7.029 4.071 11.800 10.000 1.629 2.200 0.100 2.829 4.029 5.871 5.600 5.000 5.900 7.700 6.557 1.429 7.143 3.571 2.886 3.057 The following 7 statistics are based on non-zero values: Mean (logs) 0.558 Variance (logs) 0.170 Standard Deviation (logs) 0.413 Skewness (logs) -2.059 Standard Error of Skewness (logs) 0.448 Serial Correlation Coefficient (logs) 0.190 Coefficient of Variation (logs) 0.740 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.114 0.0783 0.000 0.0200 50.00 0.223 0.0876 0.000 0.0500 20.00 0.541 0.1155 0.000 0.1000 10.00 1.053 0.1621 0.356 0.2000 5.00 2.044 0.2552 1.380 0.5000 2.00 4.867 0.5345 4.504 0.8000 1.25 7.507 0.8138 7.373 0.9000 1.11 8.334 0.9069 8.270 0.9600 1.04 8.807 0.9628 8.784 0.9800 1.02 8.958 0.9814 8.947 0.9900 1.01 9.030 0.9907 9.025 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. 04015330 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1975 - 2004 - time period 27 - non-zero values 2 - zero values 1 - years with missing values (not used) 3.150 6.663 8.977 4.157 2.983 4.073 13.953 13.700 4.093 12.000 10.000 3.067 4.447 0.328 4.900 4.703 8.427 5.633 5.000 11.267 14.550 7.650 4.463 7.963 4.090 3.793 3.127 The following 7 statistics are based on non-zero values: Mean (logs) 0.729 Variance (logs) 0.107 Standard Deviation (logs) 0.327 Skewness (logs) -1.790 Standard Error of Skewness (logs) 0.448 Serial Correlation Coefficient (logs) 0.167 Coefficient of Variation (logs) 0.449 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.386 0.0783 0.000 0.0200 50.00 0.629 0.0876 0.000 0.0500 20.00 1.206 0.1155 0.000 0.1000 10.00 1.985 0.1621 0.887 0.2000 5.00 3.295 0.2552 2.440 0.5000 2.00 6.611 0.5345 6.198 0.8000 1.25 9.774 0.8138 9.607 0.9000 1.11 10.924 0.9069 10.835 0.9600 1.04 11.708 0.9628 11.666 0.9800 1.02 12.011 0.9814 11.988 0.9900 1.01 12.185 0.9907 12.172 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.