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. 05311400 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1961 - 1987 - time period 9 - non-zero values 16 - zero values 2 - years with missing values (not used) 0.100 0.990 0.070 0.010 0.030 1.200 1.500 3.700 7.600 The following 7 statistics are based on non-zero values: Mean (logs) -0.442 Variance (logs) 1.004 Standard Deviation (logs) 1.002 Skewness (logs) -0.283 Standard Error of Skewness (logs) 0.717 Serial Correlation Coefficient (logs) 0.594 Coefficient of Variation (logs) -2.267 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.001 0.6436 0.000 0.0200 50.00 0.002 0.6472 0.000 0.0500 20.00 0.007 0.6580 0.000 0.1000 10.00 0.018 0.6760 0.000 0.2000 5.00 0.054 0.7120 0.000 0.5000 2.00 0.403 0.8200 0.000 0.8000 1.25 2.582 0.9280 0.290 0.9000 1.11 6.423 0.9640 1.519 0.9600 1.04 16.239 0.9856 5.805 0.9800 1.02 28.868 0.9928 12.205 0.9900 1.01 47.681 0.9964 22.482 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. 05311400 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1961 - 1987 - time period 12 - non-zero values 13 - zero values 2 - years with missing values (not used) 0.829 0.003 0.171 1.100 0.093 0.013 0.031 1.300 0.011 1.657 4.286 7.929 The following 7 statistics are based on non-zero values: Mean (logs) -0.654 Variance (logs) 1.261 Standard Deviation (logs) 1.123 Skewness (logs) -0.302 Standard Error of Skewness (logs) 0.637 Serial Correlation Coefficient (logs) 0.047 Coefficient of Variation (logs) -1.716 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.000 0.5248 0.000 0.0200 50.00 0.001 0.5296 0.000 0.0500 20.00 0.003 0.5440 0.000 0.1000 10.00 0.008 0.5680 0.000 0.2000 5.00 0.026 0.6160 0.000 0.5000 2.00 0.252 0.7600 0.000 0.8000 1.25 2.010 0.9040 0.431 0.9000 1.11 5.538 0.9520 1.886 0.9600 1.04 15.486 0.9808 7.233 0.9800 1.02 29.253 0.9904 14.910 0.9900 1.01 50.877 0.9952 28.320 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. 05311400 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1961 - 1987 - time period 15 - non-zero values 10 - zero values 2 - years with missing values (not used) 0.010 2.480 0.023 0.221 0.927 1.110 0.318 0.041 2.393 0.021 1.890 0.387 2.737 5.723 10.083 The following 7 statistics are based on non-zero values: Mean (logs) -0.334 Variance (logs) 0.910 Standard Deviation (logs) 0.954 Skewness (logs) -0.499 Standard Error of Skewness (logs) 0.580 Serial Correlation Coefficient (logs) -0.174 Coefficient of Variation (logs) -2.858 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.001 0.4060 0.000 0.0200 50.00 0.003 0.4120 0.000 0.0500 20.00 0.009 0.4300 0.000 0.1000 10.00 0.025 0.4600 0.000 0.2000 5.00 0.079 0.5200 0.000 0.5000 2.00 0.556 0.7000 0.054 0.8000 1.25 3.043 0.8800 1.375 0.9000 1.11 6.709 0.9400 3.961 0.9600 1.04 14.521 0.9760 10.037 0.9800 1.02 23.031 0.9880 16.752 0.9900 1.01 34.033 0.9940 26.232 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.