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. 05457000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 61 - non-zero values 2 - zero values 32 - years with missing values (not used) 4.000 4.000 48.000 49.000 42.000 28.000 30.000 31.000 63.000 43.000 47.000 49.000 25.000 34.000 30.000 27.000 44.000 36.000 41.000 51.000 40.000 29.000 47.000 38.000 38.000 48.000 47.000 45.000 33.000 45.000 87.000 51.000 50.000 33.000 38.000 57.000 64.000 55.000 59.000 62.000 76.000 65.000 39.000 71.000 58.000 33.000 37.000 55.000 80.000 96.000 87.000 66.000 61.000 57.000 50.000 67.000 56.000 57.000 71.000 48.000 43.000 The following 7 statistics are based on non-zero values: Mean (logs) 1.644 Variance (logs) 0.055 Standard Deviation (logs) 0.235 Skewness (logs) -2.823 Standard Error of Skewness (logs) 0.306 Serial Correlation Coefficient (logs) 0.622 Coefficient of Variation (logs) 0.143 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 5.083 0.0414 0.000 0.0200 50.00 8.118 0.0511 0.000 0.0500 20.00 14.811 0.0802 7.693 0.1000 10.00 22.883 0.1286 17.702 0.2000 5.00 34.389 0.2254 30.904 0.5000 2.00 54.229 0.5159 53.371 0.8000 1.25 63.032 0.8063 62.898 0.9000 1.11 64.227 0.9032 64.187 0.9600 1.04 64.521 0.9613 64.521 0.9800 1.02 64.610 0.9806 64.608 0.9900 1.01 64.622 0.9903 64.621 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. 05457000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 63 - non-zero values 0 - zero values 32 - years with missing values (not used) 32.286 16.286 13.214 17.714 49.286 50.714 42.286 28.143 31.857 31.000 64.857 45.000 47.857 51.143 26.000 35.429 30.571 28.429 45.714 37.286 42.143 51.571 42.000 32.000 51.000 40.143 38.857 51.857 47.857 51.857 39.143 52.714 94.143 53.429 52.857 33.000 42.571 57.857 64.429 56.000 62.000 68.571 79.429 66.714 44.714 75.857 63.571 38.143 40.143 56.143 84.571 98.571 89.429 71.000 64.714 58.857 55.143 72.286 57.143 66.429 75.143 49.143 44.286 The following 7 statistics are based on non-zero values: Mean (logs) 1.675 Variance (logs) 0.030 Standard Deviation (logs) 0.173 Skewness (logs) -0.849 Standard Error of Skewness (logs) 0.302 Serial Correlation Coefficient (logs) 0.656 Coefficient of Variation (logs) 0.103 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 14.754 0.0200 50.00 17.644 0.0500 20.00 22.652 0.1000 10.00 27.773 0.2000 5.00 34.767 0.5000 2.00 50.071 0.8000 1.25 66.608 0.9000 1.11 75.120 0.9600 1.04 83.714 0.9800 1.02 88.876 0.9900 1.01 93.202 =============================== 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. 05457000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 63 - non-zero values 0 - zero values 32 - years with missing values (not used) 36.700 22.333 22.417 26.433 57.967 55.233 44.700 29.400 33.567 34.467 78.800 50.100 51.067 55.800 28.000 35.933 36.133 29.333 53.367 41.167 45.367 54.333 45.800 34.033 54.433 43.167 40.600 75.533 51.433 63.133 44.033 62.033 120.233 54.233 58.200 33.000 48.900 59.733 73.167 59.200 62.900 88.267 100.267 73.200 51.300 92.067 70.367 45.233 45.100 60.700 90.167 103.600 98.467 81.500 75.333 64.433 63.733 77.367 59.400 79.233 82.767 53.400 47.067 The following 7 statistics are based on non-zero values: Mean (logs) 1.728 Variance (logs) 0.028 Standard Deviation (logs) 0.166 Skewness (logs) -0.225 Standard Error of Skewness (logs) 0.302 Serial Correlation Coefficient (logs) 0.573 Coefficient of Variation (logs) 0.096 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 20.622 0.0200 50.00 23.288 0.0500 20.00 27.831 0.1000 10.00 32.469 0.2000 5.00 38.926 0.5000 2.00 54.208 0.8000 1.25 73.973 0.9000 1.11 86.338 0.9600 1.04 101.213 0.9800 1.02 111.802 0.9900 1.01 122.012