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. 05316500 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 69 - non-zero values 1 - zero values 25 - years with missing values (not used) 0.400 0.200 0.200 1.000 1.000 1.000 0.600 0.600 8.000 2.800 2.800 2.200 3.200 1.400 0.500 1.200 5.500 4.600 7.000 5.300 1.400 1.900 9.000 0.300 0.100 3.100 1.300 1.000 8.600 1.300 2.000 2.000 0.700 3.800 4.300 7.200 1.900 9.700 1.800 0.920 0.820 0.050 4.500 2.600 30.000 2.900 4.800 18.000 10.000 12.000 17.000 45.000 3.900 1.100 1.000 5.000 24.000 34.000 61.000 34.000 35.000 22.000 26.000 13.000 11.000 8.800 23.000 8.100 4.400 The following 7 statistics are based on non-zero values: Mean (logs) 0.510 Variance (logs) 0.437 Standard Deviation (logs) 0.661 Skewness (logs) -0.291 Standard Error of Skewness (logs) 0.289 Serial Correlation Coefficient (logs) 0.593 Coefficient of Variation (logs) 1.295 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.068 0.0241 0.000 0.0200 50.00 0.113 0.0340 0.046 0.0500 20.00 0.235 0.0636 0.177 0.1000 10.00 0.442 0.1129 0.375 0.2000 5.00 0.924 0.2114 0.848 0.5000 2.00 3.486 0.5071 3.389 0.8000 1.25 11.847 0.8029 11.694 0.9000 1.11 21.567 0.9014 21.381 0.9600 1.04 39.652 0.9606 39.344 0.9800 1.02 57.827 0.9803 57.441 0.9900 1.01 80.334 0.9901 79.952 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. 05316500 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 70 - non-zero values 0 - zero values 25 - years with missing values (not used) 0.657 0.214 0.200 1.000 1.000 0.014 1.443 1.257 0.629 10.000 3.000 2.886 2.800 3.257 1.686 0.529 1.300 6.143 4.629 7.214 5.829 1.400 1.900 9.629 0.300 0.300 3.171 1.386 1.071 8.700 1.300 5.829 2.471 0.700 3.843 4.300 7.243 3.057 10.529 2.514 1.073 0.951 0.086 5.443 2.600 30.000 2.900 5.800 22.286 10.000 13.000 20.571 47.000 3.929 1.457 1.314 5.000 32.429 34.000 61.286 34.857 38.429 23.571 28.571 14.143 11.000 10.271 24.429 8.629 6.786 The following 7 statistics are based on non-zero values: Mean (logs) 0.539 Variance (logs) 0.477 Standard Deviation (logs) 0.691 Skewness (logs) -0.643 Standard Error of Skewness (logs) 0.287 Serial Correlation Coefficient (logs) 0.547 Coefficient of Variation (logs) 1.281 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.041 0.0200 50.00 0.079 0.0500 20.00 0.196 0.1000 10.00 0.417 0.2000 5.00 0.976 0.5000 2.00 4.100 0.8000 1.25 13.531 0.9000 1.11 23.089 0.9600 1.04 38.297 0.9800 1.02 51.366 0.9900 1.01 65.481 =============================== 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. 05316500 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 70 - non-zero values 0 - zero values 25 - years with missing values (not used) 1.000 0.303 0.200 1.000 1.067 0.177 2.817 1.837 1.120 14.133 3.340 3.013 7.597 3.733 1.923 0.697 1.867 9.043 5.943 8.483 6.867 1.510 2.013 14.047 0.347 0.490 4.490 2.540 1.613 8.970 1.330 6.320 2.777 0.960 4.513 4.493 7.527 4.183 15.457 2.917 1.327 1.171 0.240 10.700 2.600 30.000 3.567 5.837 41.167 11.167 14.433 40.500 48.433 4.607 4.473 2.637 5.077 56.800 34.600 71.367 39.033 54.600 26.767 30.300 19.500 12.133 12.510 28.967 11.263 8.950 The following 7 statistics are based on non-zero values: Mean (logs) 0.670 Variance (logs) 0.402 Standard Deviation (logs) 0.634 Skewness (logs) -0.194 Standard Error of Skewness (logs) 0.287 Serial Correlation Coefficient (logs) 0.563 Coefficient of Variation (logs) 0.946 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.128 0.0200 50.00 0.201 0.0500 20.00 0.392 0.1000 10.00 0.701 0.2000 5.00 1.391 0.5000 2.00 4.902 0.8000 1.25 16.163 0.9000 1.11 29.376 0.9600 1.04 54.480 0.9800 1.02 80.341 0.9900 1.01 113.146