1
  Program PeakFq           U. S. GEOLOGICAL SURVEY             Seq.002.000
  Version 7.3         Annual peak flow frequency analysis      Run Date / Time
  10/25/2019                                                    04/21/2022 10:06

                         --- PROCESSING OPTIONS ---  

                      Plot option         = Graphics device   
                      Basin char output   = None          
                      Print option        = Yes
                      Debug print         = No 
                      Input peaks listing = Long 
                      Input peaks format  = WATSTORE peak file  

                      Input files used:
                         peaks (ascii)  - C:\TWDB_2D\GageAnalysis\PaintCreek\USGS 08084800\USGS 08084800.TXT                                                      
                         specifications - C:\TWDB_2D\GageAnalysis\PaintCreek\USGS 08084800\PKFQWPSF.TMP                                                           
                      Output file(s): 
                         main - C:\TWDB_2D\GageAnalysis\PaintCreek\USGS 08084800\USGS 08084800.PRT                                                      


  ***  User responsible for assessment and interpretation of the following analysis  ***
  
1


  Program PeakFq           U. S. GEOLOGICAL SURVEY             Seq.001.001
  Version 7.3         Annual peak flow frequency analysis      Run Date / Time
  10/25/2019                                                    04/21/2022 10:06
  
               Station - 08084800  California Ck nr Stamford, TX                


                     TABLE 1 - INPUT DATA SUMMARY

                Number of peaks in record            =       59
                Peaks not used in analysis           =        0
                Gaged peaks in analysis              =       59
                Historic peaks in analysis           =        0
                Beginning Year                       =     1963
                Ending Year                          =     2021
                Historical Period Length             =       59
                Skew option                          =   WEIGHTED  
                Regional skew                        =   -0.147
                     Standard error                  =    0.465
                     Mean Square error               =    0.216
                Gage base discharge                  =      0.0
                User supplied high outlier threshold =   --           
                User supplied PILF (LO) criterion    =   --           
                Plotting position parameter          =     0.00
                Type of analysis                            EMA
                PILF (LO) Test Method                      MGBT
                Perceptible Ranges:
                    Start Year  End Year  Lower Bound  Upper Bound
                          1963      2021          0.0          INF    DEFAULT                                                                         
                Interval Data                    =   None Specified



    TABLE 2 - DIAGNOSTIC MESSAGE AND PILF RESULTS                               
                                                                                

    WCF002J-CALCS COMPLETED.  RETURN CODE =  2
    EMA002W-CONFIDENCE INTERVALS ARE NOT EXACT IF HISTORIC PERIOD > 0



    MULTIPLE GRUBBS-BECK TEST RESULTS

    MULTIPLE GRUBBS-BECK PILF THRESHOLD   578.0
    NUMBER OF PILFS IDENTIFIED                8
        CLASSIFICATION OF PILFS:
            NUMBER OF ZERO FLOWS              0
            NUMBER OF CENSORED FLOWS          0
            NUMBER OF GAGED PEAKS             8
                GAGED PEAKS AND CORRESPONDING P-VALUES
                        38.0    (0.0328)
                        84.0    (0.0165)
                       168.0    (0.0526)
                       202.0    (0.0247)
                       231.0    (0.0092)
                       320.0    (0.0263)
                       412.0    (0.0632)
                       437.0    (0.0302)
 


                       Kendall's Tau Parameters

                                        MEDIAN   No. of
                       TAU    P-VALUE    SLOPE   PEAKS
               ---------------------------------------
    GAGED PEAKS      0.059      0.513     11.316    59


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  Program PeakFq           U. S. GEOLOGICAL SURVEY             Seq.001.002
  Version 7.3         Annual peak flow frequency analysis      Run Date / Time
  10/25/2019                                                    04/21/2022 10:06
  
               Station - 08084800  California Ck nr Stamford, TX                


     TABLE 3 - ANNUAL FREQUENCY CURVE PARAMETERS -- LOG-PEARSON TYPE III 

                                    LOGARITHMIC         
                         -------------------------------
                                      STANDARD          
                            MEAN     DEVIATION     SKEW 
                         -------------------------------
 EMA WITHOUT REG SKEW      3.2995      0.4648     -0.029
 EMA WITH REG SKEW         3.2983      0.4673     -0.084

 EMA ESTIMATE OF MSE OF SKEW WITHOUT REG SKEW              0.0899
 EMA ESTIMATE OF MSE OF SKEW W/GAGED PEAKS ONLY (AT-SITE)  0.0899



 TABLE 4 - ANNUAL FREQUENCY CURVE -- DISCHARGES AT SELECTED EXCEEDANCE PROBABILITIES

   ANNUAL   <- EMA ESTIMATE ->    <- FOR EMA ESTIMATE WITH REG SKEW ->
EXCEEDANCE   WITH     WITHOUT     LOG VARIANCE   <-CONFIDENCE LIMITS->
PROBABILITY REG SKEW  REG SKEW       OF EST.   16.0% LOWER   84.0% UPPER

   0.9950     114.2     122.9        0.0560          55.8        176.7
   0.9900     152.2     161.5        0.0414          82.0        221.3
   0.9500     330.1     339.7        0.0171         222.6        421.0
   0.9000     495.8     503.9        0.0106         366.9        604.0
   0.8000     807.2     810.9        0.0063         650.8        951.1
   0.6667    1266.     1262.         0.0046        1070.0       1471.0
   0.5000    2017.     2003.         0.0041        1739.0       2338.0
   0.4292    2443.     2424.         0.0041        2109.0       2835.0
   0.2000    4936.     4913.         0.0049        4221.0       5844.0
   0.1000    7814.     7828.         0.0065        6561.0       9551.0
   0.0400   12670.    12840.         0.0100       10290.0      16440.0
   0.0200   17260.    17650.         0.0139       13570.0      23640.0
   0.0100   22730.    23480.         0.0190       17240.0      33080.0
   0.0050   29200.    30470.         0.0254       21300.0      45330.0
   0.0020   39440.    41750.         0.0359       27230.0      67030.0

 *Note: If Station Skew option is selected then EMA ESTIMATE WITH REG SKEW will
        display values for and be equal to EMA ESTIMATE WITHOUT REG SKEW.
1


  Program PeakFq           U. S. GEOLOGICAL SURVEY             Seq.001.003
  Version 7.3         Annual peak flow frequency analysis      Run Date / Time
  10/25/2019                                                    04/21/2022 10:06
  
               Station - 08084800  California Ck nr Stamford, TX                


                       TABLE 5 - INPUT DATA LISTING


    WATER       PEAK   PEAKFQ  FLOW INTERVALS (WHERE LOWER BOUND NOT = UPPER BOUND)
     YEAR      VALUE    CODES  LOWER BOUND  UPPER BOUND  REMARKS
     1963     2350.0       
     1964      412.0       
     1965     3040.0       
     1966     1950.0       
     1967     1020.0       
     1968     1610.0       
     1969     7420.0       
     1970      202.0       
     1971     6650.0       
     1972     1260.0       
     1973     3500.0       
     1974     1500.0       
     1975      977.0       
     1976      168.0       
     1977     1200.0       
     1978    40000.0       
     1979     2640.0       
     1980     7870.0       
     1981     4950.0       
     1982     3240.0       
     1983     1370.0       
     1984      320.0       
     1985     2350.0       
     1986     1850.0       
     1987     5450.0       
     1988     2080.0       
     1989      885.0       
     1990     2760.0       
     1991     3120.0       
     1992     3920.0       
     1993      822.0       
     1994     2490.0       
     1995     3040.0       
     1996      619.0       
     1997     1720.0       
     1998       84.0       
     1999     1700.0       
     2000     1390.0       
     2001     1640.0       
     2002     2560.0       
     2003     5210.0       
     2004      578.0       
     2005    11700.0       
     2006     2040.0       
     2007     5990.0       
     2008     2060.0       
     2009     1250.0       
     2010     4550.0       
     2011       38.0       
     2012      231.0       
     2013      639.0       
     2014      437.0       
     2015     4440.0       
     2016     4630.0       
     2017     1480.0       
     2018     5070.0       
     2019     4910.0       
     2020     4450.0       
     2021    16600.0       


        Explanation of peak discharge qualification codes

       PeakFQ    NWIS
        CODE     CODE   DEFINITION

          D        3    Dam failure, non-recurrent flow anomaly
          G        8    Discharge greater than stated value
          X       3+8   Both of the above
          L        4    Discharge less than stated value
          K     6 OR C  Known effect of regulation or urbanization
          O        O    Opportunistic peak
          H        7    Historic peak

          -  Minus-flagged discharge -- Not used in computation
                -8888.0 -- No discharge value given
          -  Minus-flagged water year -- Historic peak used in computation



1


  Program PeakFq           U. S. GEOLOGICAL SURVEY             Seq.001.004
  Version 7.3         Annual peak flow frequency analysis      Run Date / Time
  10/25/2019                                                    04/21/2022 10:06
  
               Station - 08084800  California Ck nr Stamford, TX                


  TABLE 6 - EMPIRICAL FREQUENCY CURVES -- HIRSCH-STEDINGER PLOTTING POSITIONS

   WATER     RANKED      EMA      FLOW INTERVALS (WHERE LOWER BOUND NOT = UPPER BOUND)
    YEAR   DISCHARGE   ESTIMATE   LOWER BOUND  UPPER BOUND
    1978    40000.0     0.0167
    2021    16600.0     0.0333
    2005    11700.0     0.0500
    1980     7870.0     0.0667
    1969     7420.0     0.0833
    1971     6650.0     0.1000
    2007     5990.0     0.1167
    1987     5450.0     0.1333
    2003     5210.0     0.1500
    2018     5070.0     0.1667
    1981     4950.0     0.1833
    2019     4910.0     0.2000
    2016     4630.0     0.2167
    2010     4550.0     0.2333
    2020     4450.0     0.2500
    2015     4440.0     0.2667
    1992     3920.0     0.2833
    1973     3500.0     0.3000
    1982     3240.0     0.3167
    1991     3120.0     0.3333
    1965     3040.0     0.3667
    1995     3040.0     0.3500
    1990     2760.0     0.3833
    1979     2640.0     0.4000
    2002     2560.0     0.4167
    1994     2490.0     0.4333
    1963     2350.0     0.4667
    1985     2350.0     0.4500
    1988     2080.0     0.4833
    2008     2060.0     0.5000
    2006     2040.0     0.5167
    1966     1950.0     0.5333
    1986     1850.0     0.5500
    1997     1720.0     0.5667
    1999     1700.0     0.5833
    2001     1640.0     0.6000
    1968     1610.0     0.6167
    1974     1500.0     0.6333
    2017     1480.0     0.6500
    2000     1390.0     0.6667
    1983     1370.0     0.6833
    1972     1260.0     0.7000
    2009     1250.0     0.7167
    1977     1200.0     0.7333
    1967     1020.0     0.7500
    1975      977.0     0.7667
    1989      885.0     0.7833
    1993      822.0     0.8000
    2013      639.0     0.8167
    1996      619.0     0.8333
    2004      578.0     0.8500
  * 2014      437.0     0.8667
  * 1964      412.0     0.8833
  * 1984      320.0     0.9000
  * 2012      231.0     0.9167
  * 1970      202.0     0.9333
  * 1976      168.0     0.9500
  * 1998       84.0     0.9667
  * 2011       38.0     0.9833

    * DENOTES PILF (LO)

1


  Program PeakFq           U. S. GEOLOGICAL SURVEY             Seq.001.005
  Version 7.3         Annual peak flow frequency analysis      Run Date / Time
  10/25/2019                                                    04/21/2022 10:06
  
               Station - 08084800  California Ck nr Stamford, TX                


                    TABLE 7 - EMA REPRESENTATION OF DATA

                                                   <---- USER-ENTERED ----><-------- FINAL ------->
  WATER <----- OBSERVED ----><-------- EMA -------><- PERCEPTIBLE RANGES -><- PERCEPTIBLE RANGES ->
   YEAR    Q_LOWER    Q_UPPER    Q_LOWER    Q_UPPER       LOWER       UPPER       LOWER       UPPER
   1963     2350.0     2350.0     2350.0     2350.0         0.0        INF        578.0        INF 
   1964      412.0      412.0        0.0      578.0         0.0        INF        578.0        INF 
   1965     3040.0     3040.0     3040.0     3040.0         0.0        INF        578.0        INF 
   1966     1950.0     1950.0     1950.0     1950.0         0.0        INF        578.0        INF 
   1967     1020.0     1020.0     1020.0     1020.0         0.0        INF        578.0        INF 
   1968     1610.0     1610.0     1610.0     1610.0         0.0        INF        578.0        INF 
   1969     7420.0     7420.0     7420.0     7420.0         0.0        INF        578.0        INF 
   1970      202.0      202.0        0.0      578.0         0.0        INF        578.0        INF 
   1971     6650.0     6650.0     6650.0     6650.0         0.0        INF        578.0        INF 
   1972     1260.0     1260.0     1260.0     1260.0         0.0        INF        578.0        INF 
   1973     3500.0     3500.0     3500.0     3500.0         0.0        INF        578.0        INF 
   1974     1500.0     1500.0     1500.0     1500.0         0.0        INF        578.0        INF 
   1975      977.0      977.0      977.0      977.0         0.0        INF        578.0        INF 
   1976      168.0      168.0        0.0      578.0         0.0        INF        578.0        INF 
   1977     1200.0     1200.0     1200.0     1200.0         0.0        INF        578.0        INF 
   1978    40000.0    40000.0    40000.0    40000.0         0.0        INF        578.0        INF 
   1979     2640.0     2640.0     2640.0     2640.0         0.0        INF        578.0        INF 
   1980     7870.0     7870.0     7870.0     7870.0         0.0        INF        578.0        INF 
   1981     4950.0     4950.0     4950.0     4950.0         0.0        INF        578.0        INF 
   1982     3240.0     3240.0     3240.0     3240.0         0.0        INF        578.0        INF 
   1983     1370.0     1370.0     1370.0     1370.0         0.0        INF        578.0        INF 
   1984      320.0      320.0        0.0      578.0         0.0        INF        578.0        INF 
   1985     2350.0     2350.0     2350.0     2350.0         0.0        INF        578.0        INF 
   1986     1850.0     1850.0     1850.0     1850.0         0.0        INF        578.0        INF 
   1987     5450.0     5450.0     5450.0     5450.0         0.0        INF        578.0        INF 
   1988     2080.0     2080.0     2080.0     2080.0         0.0        INF        578.0        INF 
   1989      885.0      885.0      885.0      885.0         0.0        INF        578.0        INF 
   1990     2760.0     2760.0     2760.0     2760.0         0.0        INF        578.0        INF 
   1991     3120.0     3120.0     3120.0     3120.0         0.0        INF        578.0        INF 
   1992     3920.0     3920.0     3920.0     3920.0         0.0        INF        578.0        INF 
   1993      822.0      822.0      822.0      822.0         0.0        INF        578.0        INF 
   1994     2490.0     2490.0     2490.0     2490.0         0.0        INF        578.0        INF 
   1995     3040.0     3040.0     3040.0     3040.0         0.0        INF        578.0        INF 
   1996      619.0      619.0      619.0      619.0         0.0        INF        578.0        INF 
   1997     1720.0     1720.0     1720.0     1720.0         0.0        INF        578.0        INF 
   1998       84.0       84.0        0.0      578.0         0.0        INF        578.0        INF 
   1999     1700.0     1700.0     1700.0     1700.0         0.0        INF        578.0        INF 
   2000     1390.0     1390.0     1390.0     1390.0         0.0        INF        578.0        INF 
   2001     1640.0     1640.0     1640.0     1640.0         0.0        INF        578.0        INF 
   2002     2560.0     2560.0     2560.0     2560.0         0.0        INF        578.0        INF 
   2003     5210.0     5210.0     5210.0     5210.0         0.0        INF        578.0        INF 
   2004      578.0      578.0      578.0      578.0         0.0        INF        578.0        INF 
   2005    11700.0    11700.0    11700.0    11700.0         0.0        INF        578.0        INF 
   2006     2040.0     2040.0     2040.0     2040.0         0.0        INF        578.0        INF 
   2007     5990.0     5990.0     5990.0     5990.0         0.0        INF        578.0        INF 
   2008     2060.0     2060.0     2060.0     2060.0         0.0        INF        578.0        INF 
   2009     1250.0     1250.0     1250.0     1250.0         0.0        INF        578.0        INF 
   2010     4550.0     4550.0     4550.0     4550.0         0.0        INF        578.0        INF 
   2011       38.0       38.0        0.0      578.0         0.0        INF        578.0        INF 
   2012      231.0      231.0        0.0      578.0         0.0        INF        578.0        INF 
   2013      639.0      639.0      639.0      639.0         0.0        INF        578.0        INF 
   2014      437.0      437.0        0.0      578.0         0.0        INF        578.0        INF 
   2015     4440.0     4440.0     4440.0     4440.0         0.0        INF        578.0        INF 
   2016     4630.0     4630.0     4630.0     4630.0         0.0        INF        578.0        INF 
   2017     1480.0     1480.0     1480.0     1480.0         0.0        INF        578.0        INF 
   2018     5070.0     5070.0     5070.0     5070.0         0.0        INF        578.0        INF 
   2019     4910.0     4910.0     4910.0     4910.0         0.0        INF        578.0        INF 
   2020     4450.0     4450.0     4450.0     4450.0         0.0        INF        578.0        INF 
   2021    16600.0    16600.0    16600.0    16600.0         0.0        INF        578.0        INF 
1



 End PeakFQ analysis.
   Stations processed :       1
   Number of errors   :       0
   Stations skipped   :       0
   Station years      :      59


Data records may have been ignored for the stations listed below.               
(Card type must be Y, Z, N, H, I, 2, 3, 4,  or *.)                              
(2, 4, and * records are ignored.)                                              
                                                                                
 For the station below, the following records were ignored:                     
                                                                                
 FINISHED PROCESSING STATION:  08084800       USGS California Ck nr Stamford, TX
                                                                                
                                                                                
 For the station below, the following records were ignored:                     
                                                                                
 FINISHED PROCESSING STATION:                                                   
                                                                                
