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. 05293000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1941 - 2004 - time period 56 - non-zero values 5 - zero values 3 - years with missing values (not used) 0.100 3.800 4.000 1.600 0.400 4.200 2.400 1.700 0.800 0.800 4.000 3.400 5.000 2.800 0.600 1.300 5.400 0.100 0.600 0.100 1.800 1.100 2.900 1.300 0.300 0.200 1.900 1.100 1.700 6.400 0.640 0.190 0.170 0.180 2.900 0.330 0.200 0.500 0.720 1.100 3.400 16.000 1.200 0.050 0.170 0.080 8.100 6.300 49.000 17.000 29.000 10.000 15.000 5.600 2.600 0.290 The following 7 statistics are based on non-zero values: Mean (logs) 0.120 Variance (logs) 0.489 Standard Deviation (logs) 0.699 Skewness (logs) -0.022 Standard Error of Skewness (logs) 0.319 Serial Correlation Coefficient (logs) 0.454 Coefficient of Variation (logs) 5.835 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.030 0.0911 0.000 0.0200 50.00 0.047 0.1003 0.000 0.0500 20.00 0.092 0.1279 0.000 0.1000 10.00 0.167 0.1738 0.047 0.2000 5.00 0.341 0.2656 0.205 0.5000 2.00 1.325 0.5410 1.105 0.8000 1.25 5.115 0.8164 4.671 0.9000 1.11 10.325 0.9082 9.698 0.9600 1.04 21.785 0.9633 20.515 0.9800 1.02 35.241 0.9816 33.418 0.9900 1.01 54.267 0.9908 52.215 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. 05293000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1941 - 2004 - time period 57 - non-zero values 4 - zero values 3 - years with missing values (not used) 0.186 0.100 4.457 4.200 1.643 0.414 5.229 2.429 1.943 0.814 0.800 4.000 3.500 5.171 2.900 0.600 1.300 5.414 0.186 0.700 0.129 1.800 1.143 3.214 1.300 0.300 0.629 1.957 1.186 2.014 7.286 1.139 0.274 0.263 0.349 3.200 0.399 0.217 0.521 0.837 1.429 3.871 16.000 1.529 0.187 0.170 0.157 8.471 7.129 51.714 17.857 29.429 13.000 15.571 6.157 2.771 0.410 The following 7 statistics are based on non-zero values: Mean (logs) 0.179 Variance (logs) 0.423 Standard Deviation (logs) 0.650 Skewness (logs) 0.156 Standard Error of Skewness (logs) 0.316 Serial Correlation Coefficient (logs) 0.505 Coefficient of Variation (logs) 3.625 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.055 0.0749 0.000 0.0200 50.00 0.079 0.0843 0.000 0.0500 20.00 0.138 0.1123 0.000 0.1000 10.00 0.228 0.1590 0.112 0.2000 5.00 0.424 0.2525 0.299 0.5000 2.00 1.454 0.5328 1.274 0.8000 1.25 5.263 0.8131 4.912 0.9000 1.11 10.544 0.9066 10.042 0.9600 1.04 22.503 0.9626 21.439 0.9800 1.02 37.070 0.9813 35.489 0.9900 1.01 58.450 0.9907 56.612 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. 05293000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1941 - 2004 - time period 60 - non-zero values 1 - zero values 3 - years with missing values (not used) 0.267 0.727 6.083 4.660 2.020 0.500 11.283 2.873 2.427 1.020 1.063 4.063 3.623 7.140 3.330 0.613 1.543 5.950 0.220 0.850 0.293 1.957 1.410 0.010 4.393 1.747 0.343 1.473 2.600 1.460 3.190 9.583 1.422 0.366 0.306 0.001 1.041 3.200 1.188 0.519 0.292 0.757 1.219 1.973 8.043 17.600 1.753 0.326 0.293 0.165 10.060 7.983 56.000 17.967 35.033 14.133 19.667 7.473 3.550 0.648 The following 7 statistics are based on non-zero values: Mean (logs) 0.215 Variance (logs) 0.603 Standard Deviation (logs) 0.777 Skewness (logs) -1.193 Standard Error of Skewness (logs) 0.309 Serial Correlation Coefficient (logs) 0.359 Coefficient of Variation (logs) 3.614 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.006 0.0262 0.000 0.0200 50.00 0.015 0.0361 0.001 0.0500 20.00 0.054 0.0656 0.030 0.1000 10.00 0.149 0.1148 0.110 0.2000 5.00 0.442 0.2131 0.382 0.5000 2.00 2.321 0.5082 2.237 0.8000 1.25 7.421 0.8033 7.326 0.9000 1.11 11.471 0.9016 11.388 0.9600 1.04 16.334 0.9607 16.257 0.9800 1.02 19.464 0.9803 19.399 0.9900 1.01 22.100 0.9902 22.053 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.