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. 05212700 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1968 - 2004 - time period 18 - non-zero values 0 - zero values 19 - years with missing values (not used) 63.000 64.000 8.000 35.000 57.000 48.000 37.000 37.000 11.000 24.000 64.000 25.000 28.000 70.000 65.000 39.000 44.000 46.000 The following 7 statistics are based on non-zero values: Mean (logs) 1.570 Variance (logs) 0.069 Standard Deviation (logs) 0.262 Skewness (logs) -1.380 Standard Error of Skewness (logs) 0.536 Serial Correlation Coefficient (logs) 0.010 Coefficient of Variation (logs) 0.167 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 5.202 0.0200 50.00 7.298 0.0500 20.00 11.556 0.1000 10.00 16.578 0.2000 5.00 24.227 0.5000 2.00 42.454 0.8000 1.25 61.369 0.9000 1.11 69.759 0.9600 1.04 76.863 0.9800 1.02 80.372 0.9900 1.01 82.844 =============================== 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. 05212700 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1968 - 2004 - time period 18 - non-zero values 0 - zero values 19 - years with missing values (not used) 66.143 64.571 12.286 36.286 57.571 53.571 41.571 39.429 11.000 25.857 66.714 26.286 30.286 70.429 68.429 41.000 47.143 48.857 The following 7 statistics are based on non-zero values: Mean (logs) 1.601 Variance (logs) 0.057 Standard Deviation (logs) 0.239 Skewness (logs) -1.250 Standard Error of Skewness (logs) 0.536 Serial Correlation Coefficient (logs) 0.064 Coefficient of Variation (logs) 0.149 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 6.931 0.0200 50.00 9.299 0.0500 20.00 13.891 0.1000 10.00 19.090 0.2000 5.00 26.765 0.5000 2.00 44.629 0.8000 1.25 63.424 0.9000 1.11 72.150 0.9600 1.04 79.942 0.9800 1.02 84.026 0.9900 1.01 87.059 =============================== 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. 05212700 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1968 - 2004 - time period 18 - non-zero values 0 - zero values 19 - years with missing values (not used) 91.767 66.933 19.800 45.167 61.167 68.633 55.500 57.200 11.400 31.400 68.267 33.100 41.733 71.433 82.400 44.433 49.533 55.400 The following 7 statistics are based on non-zero values: Mean (logs) 1.680 Variance (logs) 0.051 Standard Deviation (logs) 0.225 Skewness (logs) -1.489 Standard Error of Skewness (logs) 0.536 Serial Correlation Coefficient (logs) 0.085 Coefficient of Variation (logs) 0.134 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 8.564 0.0200 50.00 11.594 0.0500 20.00 17.453 0.1000 10.00 24.011 0.2000 5.00 33.478 0.5000 2.00 54.214 0.8000 1.25 73.507 0.9000 1.11 81.312 0.9600 1.04 87.463 0.9800 1.02 90.299 0.9900 1.01 92.189