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. 05139500 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1947 - 1980 - time period 27 - non-zero values 7 - zero values 0 - years with missing values (not used) 0.100 0.200 0.500 0.200 0.500 0.500 1.000 0.600 0.400 1.200 0.100 0.500 0.500 0.600 0.100 1.000 0.200 1.500 4.600 1.000 0.300 0.100 0.100 0.020 0.370 3.000 0.220 The following 7 statistics are based on non-zero values: Mean (logs) -0.421 Variance (logs) 0.265 Standard Deviation (logs) 0.514 Skewness (logs) -0.170 Standard Error of Skewness (logs) 0.448 Serial Correlation Coefficient (logs) 0.186 Coefficient of Variation (logs) -1.223 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.021 0.2138 0.000 0.0200 50.00 0.030 0.2218 0.000 0.0500 20.00 0.051 0.2456 0.000 0.1000 10.00 0.082 0.2853 0.000 0.2000 5.00 0.142 0.3647 0.000 0.5000 2.00 0.392 0.6029 0.263 0.8000 1.25 1.037 0.8412 0.860 0.9000 1.11 1.692 0.9206 1.490 0.9600 1.04 2.811 0.9682 2.503 0.9800 1.02 3.873 0.9841 3.500 0.9900 1.01 5.141 0.9921 4.777 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. 05139500 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1947 - 1980 - time period 29 - non-zero values 5 - zero values 0 - years with missing values (not used) 0.186 1.429 0.671 0.286 1.714 0.914 1.014 0.800 0.543 1.814 0.129 0.571 0.629 0.014 0.657 0.400 1.414 0.686 1.500 4.600 1.229 0.529 0.100 0.100 0.100 0.127 0.617 3.000 0.303 The following 7 statistics are based on non-zero values: Mean (logs) -0.292 Variance (logs) 0.288 Standard Deviation (logs) 0.536 Skewness (logs) -0.829 Standard Error of Skewness (logs) 0.434 Serial Correlation Coefficient (logs) 0.182 Coefficient of Variation (logs) -1.837 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.014 0.1556 0.000 0.0200 50.00 0.024 0.1641 0.000 0.0500 20.00 0.052 0.1897 0.000 0.1000 10.00 0.098 0.2324 0.000 0.2000 5.00 0.196 0.3176 0.061 0.5000 2.00 0.604 0.5735 0.461 0.8000 1.25 1.469 0.8294 1.321 0.9000 1.11 2.140 0.9147 2.005 0.9600 1.04 3.009 0.9659 2.864 0.9800 1.02 3.635 0.9829 3.498 0.9900 1.01 4.228 0.9915 4.119 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. 05139500 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1947 - 1980 - time period 30 - non-zero values 4 - zero values 0 - years with missing values (not used) 0.257 1.793 0.943 0.400 3.537 1.443 1.047 1.627 0.800 0.837 2.353 0.200 0.997 0.883 0.157 0.767 0.493 4.233 1.930 1.623 4.667 2.213 1.373 0.197 0.170 1.020 2.407 0.902 3.013 0.547 The following 7 statistics are based on non-zero values: Mean (logs) -0.008 Variance (logs) 0.172 Standard Deviation (logs) 0.415 Skewness (logs) -0.433 Standard Error of Skewness (logs) 0.427 Serial Correlation Coefficient (logs) 0.073 Coefficient of Variation (logs) -50.839 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.079 0.1265 0.000 0.0200 50.00 0.112 0.1353 0.000 0.0500 20.00 0.183 0.1618 0.000 0.1000 10.00 0.279 0.2059 0.000 0.2000 5.00 0.451 0.2941 0.264 0.5000 2.00 1.051 0.5588 0.893 0.8000 1.25 2.221 0.8235 2.066 0.9000 1.11 3.163 0.9118 3.018 0.9600 1.04 4.490 0.9647 4.310 0.9800 1.02 5.549 0.9824 5.361 0.9900 1.01 6.650 0.9912 6.491 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.