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. 05061500 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1946 - 2004 - time period 27 - non-zero values 27 - zero values 5 - years with missing values (not used) 0.400 0.800 0.400 1.800 0.200 0.100 1.000 1.900 0.050 0.040 0.020 0.380 1.200 6.900 1.700 1.800 5.800 2.200 0.590 0.560 2.100 2.600 1.600 1.600 3.700 6.000 0.090 The following 7 statistics are based on non-zero values: Mean (logs) -0.126 Variance (logs) 0.472 Standard Deviation (logs) 0.687 Skewness (logs) -0.762 Standard Error of Skewness (logs) 0.448 Serial Correlation Coefficient (logs) 0.460 Coefficient of Variation (logs) -5.452 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.008 0.5050 0.000 0.0200 50.00 0.016 0.5100 0.000 0.0500 20.00 0.041 0.5250 0.000 0.1000 10.00 0.091 0.5500 0.000 0.2000 5.00 0.217 0.6000 0.000 0.5000 2.00 0.913 0.7500 0.000 0.8000 1.25 2.899 0.9000 1.330 0.9000 1.11 4.779 0.9500 2.899 0.9600 1.04 7.571 0.9800 5.525 0.9800 1.02 9.817 0.9900 7.571 0.9900 1.01 12.112 0.9950 9.817 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. 05061500 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1946 - 2004 - time period 28 - non-zero values 26 - zero values 5 - years with missing values (not used) 0.400 0.843 0.457 1.800 1.971 0.100 0.600 1.000 2.500 0.050 0.080 0.044 0.597 2.029 6.900 2.271 1.843 5.800 3.543 0.590 0.763 2.714 3.129 2.157 2.329 4.100 6.043 0.256 The following 7 statistics are based on non-zero values: Mean (logs) 0.004 Variance (logs) 0.384 Standard Deviation (logs) 0.620 Skewness (logs) -0.848 Standard Error of Skewness (logs) 0.441 Serial Correlation Coefficient (logs) 0.440 Coefficient of Variation (logs) 166.819 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.016 0.4867 0.000 0.0200 50.00 0.029 0.4919 0.000 0.0500 20.00 0.072 0.5074 0.000 0.1000 10.00 0.149 0.5333 0.000 0.2000 5.00 0.334 0.5852 0.000 0.5000 2.00 1.231 0.7407 0.051 0.8000 1.25 3.420 0.8963 1.807 0.9000 1.11 5.260 0.9481 3.526 0.9600 1.04 7.751 0.9793 6.051 0.9800 1.02 9.604 0.9896 7.864 0.9900 1.01 11.385 0.9948 9.721 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. 05061500 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1946 - 2004 - time period 30 - non-zero values 24 - zero values 5 - years with missing values (not used) 0.630 0.927 0.540 1.830 2.707 0.143 0.947 1.133 3.987 0.050 0.001 0.345 0.407 0.196 1.403 2.550 7.030 2.767 2.187 5.800 4.530 0.590 0.949 10.000 5.937 9.963 9.560 5.420 6.197 1.795 The following 7 statistics are based on non-zero values: Mean (logs) 0.094 Variance (logs) 0.721 Standard Deviation (logs) 0.849 Skewness (logs) -2.124 Standard Error of Skewness (logs) 0.427 Serial Correlation Coefficient (logs) 0.489 Coefficient of Variation (logs) 9.013 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.001 0.4500 0.000 0.0200 50.00 0.004 0.4556 0.000 0.0500 20.00 0.025 0.4722 0.000 0.1000 10.00 0.100 0.5000 0.000 0.2000 5.00 0.394 0.5556 0.000 0.5000 2.00 2.328 0.7222 0.100 0.8000 1.25 5.505 0.8889 3.667 0.9000 1.11 6.714 0.9444 5.728 0.9600 1.04 7.421 0.9778 7.040 0.9800 1.02 7.640 0.9889 7.465 0.9900 1.01 7.741 0.9944 7.660 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.