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. 05129000 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1912 - 1982 - time period 56 - non-zero values 1 - zero values 14 - years with missing values (not used) 93.000 60.000 80.000 80.000 130.000 34.000 70.000 64.000 83.000 41.000 34.000 71.000 31.000 75.000 46.000 78.000 68.000 104.000 86.000 92.000 98.000 136.000 167.000 123.000 42.000 88.000 109.000 136.000 75.000 128.000 38.000 7.800 77.000 52.000 72.000 2.900 16.000 46.000 17.000 55.000 78.000 31.000 4.000 142.000 85.000 44.000 73.000 76.000 125.000 103.000 72.000 0.190 1.300 113.000 69.000 22.000 The following 7 statistics are based on non-zero values: Mean (logs) 1.694 Variance (logs) 0.280 Standard Deviation (logs) 0.529 Skewness (logs) -2.674 Standard Error of Skewness (logs) 0.319 Serial Correlation Coefficient (logs) 0.292 Coefficient of Variation (logs) 0.312 Non- Adjusted Non- Adjusted exceedance Recurrence Estimated exceedance Estimated Probability Interval Streamflow Probability Streamflow ----------- ----------- --------- ----------- --------- 0.0100 100.00 0.418 0.0274 0.000 0.0200 50.00 1.152 0.0372 0.033 0.0500 20.00 4.268 0.0667 2.281 0.1000 10.00 11.091 0.1158 8.159 0.2000 5.00 27.416 0.2140 24.091 0.5000 2.00 78.000 0.5088 76.418 0.8000 1.25 113.857 0.8035 113.504 0.9000 1.11 120.297 0.9018 120.179 0.9600 1.04 122.437 0.9607 122.419 0.9800 1.02 122.808 0.9804 122.802 0.9900 1.01 122.915 0.9902 122.913 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. 05129000 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1912 - 1982 - time period 57 - non-zero values 0 - zero values 14 - years with missing values (not used) 93.000 61.429 81.286 81.286 130.000 35.857 72.857 69.286 85.857 43.000 34.000 72.143 32.143 76.286 48.000 78.571 71.429 112.714 89.286 92.000 98.571 138.000 170.429 142.286 42.714 93.143 110.143 139.429 80.857 129.714 40.286 0.543 13.143 89.429 62.857 72.571 6.086 19.429 55.286 23.429 59.571 90.714 40.429 4.414 165.857 88.000 60.286 78.143 78.429 128.857 113.286 83.286 0.196 1.400 114.143 74.000 24.857 The following 7 statistics are based on non-zero values: Mean (logs) 1.699 Variance (logs) 0.324 Standard Deviation (logs) 0.569 Skewness (logs) -2.649 Standard Error of Skewness (logs) 0.316 Serial Correlation Coefficient (logs) 0.300 Coefficient of Variation (logs) 0.335 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.298 0.0200 50.00 0.882 0.0500 20.00 3.583 0.1000 10.00 9.966 0.2000 5.00 26.334 0.5000 2.00 81.401 0.8000 1.25 123.188 0.9000 1.11 131.038 0.9600 1.04 133.724 0.9800 1.02 134.204 0.9900 1.01 134.346 =============================== 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. 05129000 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1912 - 1982 - time period 57 - non-zero values 0 - zero values 14 - years with missing values (not used) 98.000 67.633 86.167 88.500 136.133 39.033 98.867 77.267 90.300 48.900 34.667 140.467 35.000 103.900 50.467 79.900 79.033 128.233 92.533 94.533 140.200 141.733 178.167 161.867 45.567 175.600 117.533 147.900 85.167 137.133 43.600 20.747 16.160 95.000 71.000 79.967 8.953 33.000 59.833 29.067 90.300 120.500 44.367 6.117 223.167 113.833 75.333 122.533 84.800 135.767 126.200 89.567 0.233 3.873 117.867 84.200 40.833 The following 7 statistics are based on non-zero values: Mean (logs) 1.804 Variance (logs) 0.230 Standard Deviation (logs) 0.480 Skewness (logs) -2.932 Standard Error of Skewness (logs) 0.316 Serial Correlation Coefficient (logs) 0.247 Coefficient of Variation (logs) 0.266 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 0.746 0.0200 50.00 1.985 0.0500 20.00 6.947 0.1000 10.00 17.104 0.2000 5.00 39.467 0.5000 2.00 98.271 0.8000 1.25 130.158 0.9000 1.11 134.276 0.9600 1.04 134.806 0.9800 1.02 135.446 0.9900 1.01 135.477