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. 05049000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1917 - 1958 - time period 4 - non-zero values 29 - zero values 9 - years with missing values (not used) 2.500 0.200 1.000 0.200 The following 7 statistics are based on non-zero values: Mean (logs) -0.250 Variance (logs) 0.295 Standard Deviation (logs) 0.543 Skewness (logs) 0.443 Standard Error of Skewness (logs) 1.014 Serial Correlation Coefficient (logs) -0.934 Coefficient of Variation (logs) -2.173 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.046 0.8800 0.000 0.0200 50.00 0.058 0.8812 0.000 0.0500 20.00 0.085 0.8848 0.000 0.1000 10.00 0.122 0.8909 0.000 0.2000 5.00 0.193 0.9030 0.000 0.5000 2.00 0.513 0.9394 0.000 0.8000 1.25 1.555 0.9758 0.000 0.9000 1.11 2.930 0.9879 0.172 0.9600 1.04 6.006 0.9952 0.906 0.9800 1.02 9.777 0.9976 1.941 0.9900 1.01 15.398 0.9988 3.554 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. 05049000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1917 - 1958 - time period 5 - non-zero values 28 - zero values 9 - years with missing values (not used) 2.500 0.329 1.000 0.243 0.900 The following 7 statistics are based on non-zero values: Mean (logs) -0.149 Variance (logs) 0.165 Standard Deviation (logs) 0.406 Skewness (logs) 0.186 Standard Error of Skewness (logs) 0.913 Serial Correlation Coefficient (logs) -0.846 Coefficient of Variation (logs) -2.724 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.091 0.8500 0.000 0.0200 50.00 0.114 0.8515 0.000 0.0500 20.00 0.160 0.8561 0.000 0.1000 10.00 0.218 0.8636 0.000 0.2000 5.00 0.320 0.8788 0.000 0.5000 2.00 0.689 0.9242 0.000 0.8000 1.25 1.544 0.9697 0.000 0.9000 1.11 2.394 0.9848 0.470 0.9600 1.04 3.869 0.9939 1.267 0.9800 1.02 5.314 0.9970 2.080 0.9900 1.01 7.104 0.9985 3.080 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. 05049000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1917 - 1958 - time period 8 - non-zero values 25 - zero values 9 - years with missing values (not used) 2.587 0.647 1.000 0.483 0.031 0.007 1.030 0.140 The following 7 statistics are based on non-zero values: Mean (logs) -0.578 Variance (logs) 0.770 Standard Deviation (logs) 0.877 Skewness (logs) -0.980 Standard Error of Skewness (logs) 0.752 Serial Correlation Coefficient (logs) 0.198 Coefficient of Variation (logs) -1.518 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.001 0.7600 0.000 0.0200 50.00 0.002 0.7624 0.000 0.0500 20.00 0.006 0.7697 0.000 0.1000 10.00 0.018 0.7818 0.000 0.2000 5.00 0.057 0.8061 0.000 0.5000 2.00 0.366 0.8788 0.000 0.8000 1.25 1.479 0.9515 0.042 0.9000 1.11 2.601 0.9758 0.550 0.9600 1.04 4.246 0.9903 1.802 0.9800 1.02 5.513 0.9952 2.980 0.9900 1.01 6.740 0.9976 4.193 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.