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. 05078230 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1961 - 2004 - time period 39 - non-zero values 4 - zero values 1 - years with missing values (not used) 0.100 0.100 0.100 1.400 2.200 0.200 3.600 1.000 1.500 8.700 4.000 2.100 4.700 2.400 3.100 1.900 2.000 0.580 1.300 7.800 0.090 13.000 1.900 1.300 0.200 0.850 7.500 8.400 9.700 9.000 3.300 9.200 0.180 0.020 11.000 8.700 8.100 4.500 1.200 The following 7 statistics are based on non-zero values: Mean (logs) 0.215 Variance (logs) 0.518 Standard Deviation (logs) 0.720 Skewness (logs) -0.890 Standard Error of Skewness (logs) 0.378 Serial Correlation Coefficient (logs) 0.217 Coefficient of Variation (logs) 3.353 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.012 0.1021 0.000 0.0200 50.00 0.026 0.1112 0.000 0.0500 20.00 0.076 0.1384 0.000 0.1000 10.00 0.178 0.1837 0.009 0.2000 5.00 0.458 0.2744 0.211 0.5000 2.00 2.089 0.5465 1.685 0.8000 1.25 6.753 0.8186 6.216 0.9000 1.11 11.002 0.9093 10.464 0.9600 1.04 16.991 0.9637 16.370 0.9800 1.02 21.544 0.9819 20.934 0.9900 1.01 25.967 0.9909 25.474 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. 05078230 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1961 - 2004 - time period 39 - non-zero values 4 - zero values 1 - years with missing values (not used) 0.286 0.100 0.286 2.314 4.100 0.200 4.214 1.200 1.871 8.700 4.000 2.800 5.386 2.400 4.129 1.914 4.486 1.471 1.614 10.943 0.207 15.000 2.314 3.157 0.229 0.914 10.257 8.400 9.700 9.000 3.514 9.771 0.771 0.119 11.000 10.800 9.329 4.500 1.600 The following 7 statistics are based on non-zero values: Mean (logs) 0.364 Variance (logs) 0.373 Standard Deviation (logs) 0.611 Skewness (logs) -0.800 Standard Error of Skewness (logs) 0.378 Serial Correlation Coefficient (logs) 0.148 Coefficient of Variation (logs) 1.680 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.040 0.1021 0.000 0.0200 50.00 0.073 0.1112 0.000 0.0500 20.00 0.174 0.1384 0.000 0.1000 10.00 0.353 0.1837 0.030 0.2000 5.00 0.771 0.2744 0.406 0.5000 2.00 2.781 0.5465 2.316 0.8000 1.25 7.701 0.8186 7.161 0.9000 1.11 11.904 0.9093 11.384 0.9600 1.04 17.708 0.9637 17.110 0.9800 1.02 22.112 0.9819 21.522 0.9900 1.01 26.425 0.9909 25.946 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. 05078230 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1961 - 2004 - time period 40 - non-zero values 3 - zero values 1 - years with missing values (not used) 0.397 0.267 0.043 2.727 2.663 5.727 0.253 6.627 9.500 2.553 8.963 4.103 6.260 6.713 2.413 5.277 2.073 7.790 2.740 2.713 14.000 0.571 15.933 5.520 6.827 1.114 1.963 15.433 8.497 10.073 9.317 18.300 15.153 8.907 1.007 11.433 18.333 11.863 4.557 2.027 The following 7 statistics are based on non-zero values: Mean (logs) 0.578 Variance (logs) 0.340 Standard Deviation (logs) 0.583 Skewness (logs) -1.386 Standard Error of Skewness (logs) 0.374 Serial Correlation Coefficient (logs) 0.275 Coefficient of Variation (logs) 1.009 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.047 0.0791 0.000 0.0200 50.00 0.101 0.0884 0.000 0.0500 20.00 0.281 0.1163 0.000 0.1000 10.00 0.628 0.1628 0.168 0.2000 5.00 1.465 0.2558 0.882 0.5000 2.00 5.111 0.5349 4.520 0.8000 1.25 11.597 0.8140 11.148 0.9000 1.11 15.409 0.9070 15.084 0.9600 1.04 19.096 0.9628 18.861 0.9800 1.02 21.073 0.9814 20.900 0.9900 1.01 22.526 0.9907 22.414 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.