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. 05278000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1950 - 1989 - time period 34 - non-zero values 4 - zero values 2 - years with missing values (not used) 0.100 1.800 25.000 2.200 2.600 3.400 1.400 1.900 35.000 0.500 1.100 0.300 1.300 0.500 1.000 2.200 1.900 1.800 1.900 27.000 43.000 5.600 4.600 0.270 1.100 19.000 2.200 13.000 24.000 36.000 45.000 51.000 53.000 73.000 The following 7 statistics are based on non-zero values: Mean (logs) 0.608 Variance (logs) 0.599 Standard Deviation (logs) 0.774 Skewness (logs) 0.052 Standard Error of Skewness (logs) 0.403 Serial Correlation Coefficient (logs) 0.508 Coefficient of Variation (logs) 1.274 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.069 0.1142 0.000 0.0200 50.00 0.110 0.1232 0.000 0.0500 20.00 0.222 0.1500 0.000 0.1000 10.00 0.417 0.1947 0.000 0.2000 5.00 0.900 0.2842 0.436 0.5000 2.00 3.991 0.5526 3.062 0.8000 1.25 18.081 0.8211 15.805 0.9000 1.11 40.180 0.9105 36.578 0.9600 1.04 94.780 0.9642 86.502 0.9800 1.02 165.607 0.9821 152.659 0.9900 1.01 274.260 0.9911 258.456 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. 05278000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1950 - 1989 - time period 34 - non-zero values 4 - zero values 2 - years with missing values (not used) 0.157 1.857 39.000 2.286 2.629 4.429 1.529 2.043 35.429 0.500 1.100 0.300 1.300 1.000 1.529 3.214 2.314 1.800 2.000 28.286 43.857 7.286 4.943 0.270 1.214 19.000 2.471 16.286 25.000 39.000 52.143 52.429 60.857 75.857 The following 7 statistics are based on non-zero values: Mean (logs) 0.665 Variance (logs) 0.580 Standard Deviation (logs) 0.762 Skewness (logs) 0.071 Standard Error of Skewness (logs) 0.403 Serial Correlation Coefficient (logs) 0.495 Coefficient of Variation (logs) 1.146 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.086 0.1142 0.000 0.0200 50.00 0.135 0.1232 0.000 0.0500 20.00 0.267 0.1500 0.000 0.1000 10.00 0.495 0.1947 0.000 0.2000 5.00 1.050 0.2842 0.517 0.5000 2.00 4.529 0.5526 3.490 0.8000 1.25 20.107 0.8211 17.603 0.9000 1.11 44.344 0.9105 40.404 0.9600 1.04 103.993 0.9642 94.960 0.9800 1.02 181.246 0.9821 167.128 0.9900 1.01 299.730 0.9911 282.506 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. 05278000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1950 - 1989 - time period 37 - non-zero values 1 - zero values 2 - years with missing values (not used) 0.763 2.150 63.433 3.157 3.663 7.010 1.650 7.223 40.900 0.500 1.133 0.300 1.310 1.103 0.150 17.867 3.767 0.093 4.017 1.923 2.393 32.967 44.233 12.170 0.070 6.083 0.270 1.437 19.333 5.997 17.000 27.067 42.367 76.233 57.233 65.000 79.000 The following 7 statistics are based on non-zero values: Mean (logs) 0.660 Variance (logs) 0.750 Standard Deviation (logs) 0.866 Skewness (logs) -0.328 Standard Error of Skewness (logs) 0.388 Serial Correlation Coefficient (logs) 0.316 Coefficient of Variation (logs) 1.312 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.028 0.0361 0.000 0.0200 50.00 0.054 0.0458 0.000 0.0500 20.00 0.144 0.0750 0.066 0.1000 10.00 0.334 0.1237 0.222 0.2000 5.00 0.888 0.2211 0.719 0.5000 2.00 5.095 0.5132 4.756 0.8000 1.25 25.072 0.8053 24.295 0.9000 1.11 54.339 0.9026 53.215 0.9600 1.04 118.670 0.9611 116.479 0.9800 1.02 191.988 0.9805 188.963 0.9900 1.01 291.400 0.9903 288.131 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.