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. 05294000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1932 - 2004 - time period 58 - non-zero values 6 - zero values 9 - years with missing values (not used) 3.000 2.000 0.600 6.000 20.000 12.000 2.200 12.000 6.000 1.200 2.400 20.000 46.000 13.000 13.000 17.000 5.100 4.400 25.000 3.000 9.000 6.000 2.600 15.000 9.900 5.000 5.800 11.000 2.800 1.200 3.300 14.000 22.000 50.000 19.000 1.100 8.900 0.910 6.900 34.000 13.000 1.700 27.000 11.000 56.000 34.000 106.000 6.000 2.800 0.280 25.000 15.000 66.000 43.000 26.000 19.000 59.000 43.000 The following 7 statistics are based on non-zero values: Mean (logs) 0.941 Variance (logs) 0.318 Standard Deviation (logs) 0.564 Skewness (logs) -0.402 Standard Error of Skewness (logs) 0.314 Serial Correlation Coefficient (logs) 0.320 Coefficient of Variation (logs) 0.599 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.293 0.1028 0.000 0.0200 50.00 0.464 0.1119 0.000 0.0500 20.00 0.900 0.1391 0.000 0.1000 10.00 1.581 0.1844 0.224 0.2000 5.00 3.028 0.2750 1.769 0.5000 2.00 9.527 0.5469 8.024 0.8000 1.25 26.505 0.8188 24.543 0.9000 1.11 43.167 0.9094 41.043 0.9600 1.04 70.163 0.9638 67.137 0.9800 1.02 94.274 0.9819 90.832 0.9900 1.01 121.494 0.9909 118.348 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. 05294000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1932 - 2004 - time period 59 - non-zero values 5 - zero values 9 - years with missing values (not used) 3.000 2.400 0.657 1.043 6.500 21.143 12.714 2.257 12.000 6.143 1.286 3.057 20.000 48.857 13.571 13.857 17.429 5.514 4.814 31.286 3.043 9.100 6.157 3.000 15.286 11.700 5.000 43.286 16.286 2.814 1.200 7.529 14.714 23.571 50.000 21.143 1.100 10.757 1.143 6.900 35.571 13.000 1.786 31.286 11.000 60.000 60.000 127.143 6.200 3.271 4.666 43.714 15.857 66.000 53.286 45.429 20.143 71.000 44.571 The following 7 statistics are based on non-zero values: Mean (logs) 1.010 Variance (logs) 0.310 Standard Deviation (logs) 0.556 Skewness (logs) -0.209 Standard Error of Skewness (logs) 0.311 Serial Correlation Coefficient (logs) 0.381 Coefficient of Variation (logs) 0.551 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.427 0.0873 0.000 0.0200 50.00 0.639 0.0966 0.000 0.0500 20.00 1.155 0.1242 0.000 0.1000 10.00 1.929 0.1703 0.708 0.2000 5.00 3.530 0.2625 2.343 0.5000 2.00 10.687 0.5391 9.306 0.8000 1.25 30.378 0.8156 28.452 0.9000 1.11 51.167 0.9078 48.956 0.9600 1.04 87.599 0.9631 84.117 0.9800 1.02 122.752 0.9816 118.517 0.9900 1.01 165.183 0.9908 161.079 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. 05294000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1932 - 2004 - time period 60 - non-zero values 4 - zero values 9 - years with missing values (not used) 3.083 2.407 2.257 8.027 8.017 28.800 16.233 2.700 14.733 6.867 1.800 3.400 20.733 50.800 18.400 19.133 18.300 6.980 7.007 47.333 3.623 10.513 9.570 3.603 17.500 13.730 5.207 57.733 27.700 3.523 1.317 19.767 16.900 30.533 50.000 26.033 1.197 17.543 0.101 1.303 6.923 37.967 13.000 2.253 39.600 14.167 65.300 61.333 133.933 9.260 6.223 7.003 49.233 17.500 68.767 55.867 86.267 23.467 75.267 56.933 The following 7 statistics are based on non-zero values: Mean (logs) 1.087 Variance (logs) 0.344 Standard Deviation (logs) 0.587 Skewness (logs) -0.795 Standard Error of Skewness (logs) 0.309 Serial Correlation Coefficient (logs) 0.320 Coefficient of Variation (logs) 0.540 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.247 0.0719 0.000 0.0200 50.00 0.445 0.0812 0.000 0.0500 20.00 1.019 0.1094 0.000 0.1000 10.00 2.007 0.1563 0.828 0.2000 5.00 4.254 0.2500 2.850 0.5000 2.00 14.577 0.5312 13.001 0.8000 1.25 38.821 0.8125 37.095 0.9000 1.11 59.058 0.9062 57.429 0.9600 1.04 86.629 0.9625 84.781 0.9800 1.02 107.357 0.9813 105.547 0.9900 1.01 127.541 0.9906 126.084 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.