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. 05107500 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1929 - 2004 - time period 66 - non-zero values 4 - zero values 6 - years with missing values (not used) 6.000 8.000 6.000 8.500 3.000 4.000 8.000 2.000 6.800 4.600 1.100 4.600 1.200 12.000 2.800 3.200 20.000 7.000 18.000 14.000 8.100 18.000 6.600 4.500 4.400 5.000 2.100 12.000 7.000 3.200 5.000 1.000 4.000 2.200 5.400 9.500 9.400 0.700 17.000 9.000 7.000 6.600 4.500 9.300 2.300 3.300 6.100 0.420 7.400 11.000 6.900 0.320 24.000 8.500 1.000 0.450 0.280 0.040 7.100 9.300 3.800 16.000 20.000 8.000 9.100 9.000 The following 7 statistics are based on non-zero values: Mean (logs) 0.654 Variance (logs) 0.258 Standard Deviation (logs) 0.508 Skewness (logs) -1.607 Standard Error of Skewness (logs) 0.295 Serial Correlation Coefficient (logs) 0.195 Coefficient of Variation (logs) 0.776 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.085 0.0666 0.000 0.0200 50.00 0.174 0.0760 0.000 0.0500 20.00 0.454 0.1043 0.000 0.1000 10.00 0.954 0.1514 0.408 0.2000 5.00 2.050 0.2457 1.415 0.5000 2.00 6.079 0.5286 5.588 0.8000 1.25 11.720 0.8114 11.435 0.9000 1.11 14.398 0.9057 14.219 0.9600 1.04 16.575 0.9623 16.471 0.9800 1.02 17.564 0.9811 17.497 0.9900 1.01 18.202 0.9906 18.163 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. 05107500 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1929 - 2004 - time period 69 - non-zero values 1 - zero values 6 - years with missing values (not used) 6.714 8.857 7.000 8.771 3.000 4.000 8.000 2.343 9.800 4.943 1.300 5.057 1.671 12.000 2.800 5.386 20.000 7.929 19.000 14.143 9.243 19.286 8.471 4.500 5.700 5.171 2.771 12.000 7.000 3.714 5.000 1.357 0.071 4.000 2.514 6.071 9.571 9.457 0.957 17.000 9.000 7.743 7.557 4.500 9.357 3.114 3.700 0.054 6.100 0.504 0.116 7.400 12.000 7.371 0.349 24.000 11.286 1.000 0.606 0.280 0.091 8.957 11.800 3.943 16.286 20.000 8.029 9.100 10.400 The following 7 statistics are based on non-zero values: Mean (logs) 0.625 Variance (logs) 0.356 Standard Deviation (logs) 0.597 Skewness (logs) -1.610 Standard Error of Skewness (logs) 0.289 Serial Correlation Coefficient (logs) 0.230 Coefficient of Variation (logs) 0.955 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.040 0.0241 0.000 0.0200 50.00 0.092 0.0340 0.020 0.0500 20.00 0.284 0.0636 0.186 0.1000 10.00 0.679 0.1129 0.541 0.2000 5.00 1.670 0.2114 1.505 0.5000 2.00 5.985 0.5071 5.845 0.8000 1.25 12.926 0.8029 12.837 0.9000 1.11 16.446 0.9014 16.389 0.9600 1.04 19.387 0.9606 19.353 0.9800 1.02 20.744 0.9803 20.722 0.9900 1.01 21.623 0.9901 21.610 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. 05107500 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1929 - 2004 - time period 69 - non-zero values 1 - zero values 6 - years with missing values (not used) 6.933 10.700 12.100 14.393 3.213 4.897 8.467 2.923 10.000 6.650 2.303 9.300 5.887 13.767 2.987 20.000 21.000 9.183 20.300 15.233 10.733 27.200 11.733 5.550 11.000 5.767 4.320 12.367 8.867 6.340 5.580 2.567 0.670 4.000 3.037 8.847 11.000 9.900 1.763 17.700 9.583 9.447 7.997 4.723 9.643 15.600 7.277 0.456 6.103 1.195 1.053 7.487 12.733 8.453 0.915 24.000 12.533 1.200 1.167 0.345 0.262 20.723 24.587 4.900 16.833 21.267 10.223 9.363 19.367 The following 7 statistics are based on non-zero values: Mean (logs) 0.800 Variance (logs) 0.212 Standard Deviation (logs) 0.461 Skewness (logs) -1.186 Standard Error of Skewness (logs) 0.289 Serial Correlation Coefficient (logs) 0.290 Coefficient of Variation (logs) 0.576 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.226 0.0241 0.000 0.0200 50.00 0.392 0.0340 0.143 0.0500 20.00 0.834 0.0636 0.627 0.1000 10.00 1.522 0.1129 1.301 0.2000 5.00 2.896 0.2114 2.688 0.5000 2.00 7.744 0.5071 7.598 0.8000 1.25 15.453 0.8029 15.351 0.9000 1.11 20.034 0.9014 19.959 0.9600 1.04 24.744 0.9606 24.683 0.9800 1.02 27.483 0.9803 27.435 0.9900 1.01 29.661 0.9901 29.628 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.