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. 05064000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1945 - 2004 - time period 57 - non-zero values 1 - zero values 2 - years with missing values (not used) 55.000 20.000 17.000 0.700 1.300 1.500 3.200 6.200 20.000 16.000 9.200 6.200 40.000 18.000 11.000 30.000 12.000 4.700 12.000 18.000 19.000 33.000 12.000 38.000 19.000 13.000 28.000 36.000 57.000 26.000 44.000 0.050 0.060 29.000 28.000 0.820 54.000 13.000 60.000 58.000 56.000 3.400 8.100 2.200 6.600 33.000 76.000 105.000 102.000 34.000 121.000 66.000 105.000 160.000 119.000 85.000 38.000 The following 7 statistics are based on non-zero values: Mean (logs) 1.207 Variance (logs) 0.530 Standard Deviation (logs) 0.728 Skewness (logs) -1.565 Standard Error of Skewness (logs) 0.316 Serial Correlation Coefficient (logs) 0.470 Coefficient of Variation (logs) 0.603 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.057 0.0271 0.000 0.0200 50.00 0.156 0.0369 0.006 0.0500 20.00 0.604 0.0664 0.318 0.1000 10.00 1.731 0.1155 1.241 0.2000 5.00 5.146 0.2138 4.416 0.5000 2.00 24.466 0.5086 23.622 0.8000 1.25 63.714 0.8034 63.051 0.9000 1.11 86.538 0.9017 86.075 0.9600 1.04 107.176 0.9607 106.879 0.9800 1.02 117.287 0.9803 117.085 0.9900 1.01 124.121 0.9902 123.998 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. 05064000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1945 - 2004 - time period 57 - non-zero values 1 - zero values 2 - years with missing values (not used) 59.286 20.000 22.571 0.957 10.714 1.843 3.443 6.586 42.286 16.571 10.514 8.229 40.000 19.000 13.571 34.000 13.857 4.729 13.000 18.000 41.714 38.714 14.286 42.286 22.000 17.000 28.714 36.000 57.429 28.857 46.429 0.080 0.067 29.000 29.000 1.011 60.000 13.857 60.000 64.857 57.000 4.514 9.157 2.871 7.671 46.714 76.000 105.714 104.429 35.143 125.714 67.857 107.857 170.714 120.714 85.571 39.429 The following 7 statistics are based on non-zero values: Mean (logs) 1.278 Variance (logs) 0.475 Standard Deviation (logs) 0.689 Skewness (logs) -1.702 Standard Error of Skewness (logs) 0.316 Serial Correlation Coefficient (logs) 0.414 Coefficient of Variation (logs) 0.539 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.080 0.0271 0.000 0.0200 50.00 0.218 0.0369 0.008 0.0500 20.00 0.830 0.0664 0.441 0.1000 10.00 2.323 0.1155 1.678 0.2000 5.00 6.668 0.2138 5.751 0.5000 2.00 29.059 0.5086 28.125 0.8000 1.25 68.444 0.8034 67.822 0.9000 1.11 88.383 0.9017 87.988 0.9600 1.04 104.421 0.9607 104.203 0.9800 1.02 111.441 0.9803 111.306 0.9900 1.01 115.773 0.9902 115.695 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. 05064000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1945 - 2004 - time period 58 - non-zero values 0 - zero values 2 - years with missing values (not used) 63.167 23.133 26.133 2.883 0.060 11.733 2.700 5.563 8.930 47.767 20.600 13.267 12.787 42.000 19.467 24.667 34.933 20.600 5.327 16.000 23.200 46.967 54.433 16.700 55.267 36.800 21.433 33.267 36.900 73.500 37.067 56.867 0.091 0.718 29.033 37.533 3.483 60.000 18.767 62.033 74.467 59.100 10.960 12.267 3.520 12.653 69.967 77.300 116.000 140.000 40.933 145.533 73.733 119.667 203.667 135.933 89.200 44.000 The following 7 statistics are based on non-zero values: Mean (logs) 1.355 Variance (logs) 0.463 Standard Deviation (logs) 0.680 Skewness (logs) -1.893 Standard Error of Skewness (logs) 0.314 Serial Correlation Coefficient (logs) 0.438 Coefficient of Variation (logs) 0.502 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.087 0.0200 50.00 0.249 0.0500 20.00 1.006 0.1000 10.00 2.906 0.2000 5.00 8.475 0.5000 2.00 35.891 0.8000 1.25 77.991 0.9000 1.11 96.023 0.9600 1.04 108.473 0.9800 1.02 113.138 0.9900 1.01 115.678