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. 05292000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1939 - 2004 - time period 65 - non-zero values 1 - zero values 0 - years with missing values (not used) 0.200 0.100 0.400 1.600 8.000 6.500 0.100 5.000 0.100 0.300 0.200 0.400 2.900 1.300 0.200 4.100 0.200 3.800 3.600 1.400 0.100 2.200 0.600 9.900 15.000 0.600 6.900 1.000 3.000 0.290 5.000 8.600 6.500 1.400 0.820 1.500 0.270 0.240 0.090 0.800 0.830 0.850 0.710 0.380 0.750 0.140 0.180 11.000 0.440 0.050 1.100 0.970 7.600 6.700 1.700 1.400 48.000 15.000 4.800 11.000 3.000 14.000 2.300 0.880 3.400 The following 7 statistics are based on non-zero values: Mean (logs) 0.096 Variance (logs) 0.478 Standard Deviation (logs) 0.691 Skewness (logs) -0.012 Standard Error of Skewness (logs) 0.297 Serial Correlation Coefficient (logs) 0.240 Coefficient of Variation (logs) 7.168 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.030 0.0250 0.000 0.0200 50.00 0.047 0.0348 0.020 0.0500 20.00 0.091 0.0644 0.069 0.1000 10.00 0.162 0.1136 0.138 0.2000 5.00 0.327 0.2121 0.300 0.5000 2.00 1.253 0.5076 1.214 0.8000 1.25 4.771 0.8030 4.698 0.9000 1.11 9.582 0.9015 9.479 0.9600 1.04 20.129 0.9606 19.923 0.9800 1.02 32.491 0.9803 32.196 0.9900 1.01 49.958 0.9902 49.628 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. 05292000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1939 - 2004 - time period 66 - non-zero values 0 - zero values 0 - years with missing values (not used) 0.200 0.100 0.129 0.486 2.771 8.571 6.929 0.286 5.286 0.257 0.457 0.200 0.414 3.329 1.300 0.229 4.100 0.271 4.100 3.814 1.400 0.171 4.429 0.600 12.686 16.286 0.600 19.143 1.071 3.000 0.769 5.414 9.014 6.871 1.471 0.843 1.843 0.666 0.383 0.183 1.500 0.920 1.040 1.000 1.191 1.061 0.196 0.290 11.857 0.609 0.083 1.871 1.053 8.529 7.000 15.943 1.743 72.857 16.286 5.071 14.429 10.914 14.571 2.357 1.711 4.029 The following 7 statistics are based on non-zero values: Mean (logs) 0.220 Variance (logs) 0.459 Standard Deviation (logs) 0.677 Skewness (logs) 0.066 Standard Error of Skewness (logs) 0.295 Serial Correlation Coefficient (logs) 0.301 Coefficient of Variation (logs) 3.084 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.048 0.0200 50.00 0.071 0.0500 20.00 0.131 0.1000 10.00 0.227 0.2000 5.00 0.444 0.5000 2.00 1.630 0.8000 1.25 6.129 0.9000 1.11 12.367 0.9600 1.04 26.344 0.9800 1.02 43.114 0.9900 1.01 67.337 =============================== 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. 05292000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1939 - 2004 - time period 66 - non-zero values 0 - zero values 0 - years with missing values (not used) 0.200 0.160 0.233 0.647 5.750 9.133 7.807 0.433 5.800 0.593 7.783 0.307 0.687 6.977 1.567 0.433 4.187 0.377 4.390 28.630 1.420 0.257 8.550 0.683 13.827 16.900 0.700 22.700 1.560 3.000 3.820 5.943 10.997 16.523 1.623 0.940 2.127 0.841 0.414 0.435 1.500 0.955 1.413 1.223 2.618 1.530 0.489 0.625 13.400 1.295 0.141 2.877 2.107 12.400 7.567 23.920 23.363 108.333 20.633 7.540 21.600 26.700 16.600 6.867 3.439 4.880 The following 7 statistics are based on non-zero values: Mean (logs) 0.427 Variance (logs) 0.457 Standard Deviation (logs) 0.676 Skewness (logs) 0.031 Standard Error of Skewness (logs) 0.295 Serial Correlation Coefficient (logs) 0.354 Coefficient of Variation (logs) 1.583 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.074 0.0200 50.00 0.112 0.0500 20.00 0.210 0.1000 10.00 0.366 0.2000 5.00 0.720 0.5000 2.00 2.651 0.8000 1.25 9.875 0.9000 1.11 19.727 0.9600 1.04 41.403 0.9800 1.02 66.967 0.9900 1.01 103.339