USGS Variable Shift Calibration Records for N. 27th St. Gauging Station
Ranked by Input Gauge Height/Flow for Period 1984 - 2000
    Input Regression           SUMMARY OUTPUT (Partial Series to Near Zero Calibration Error - See Comments Column)
  Input Flow Input Rating Corrected Corrected Error  
Calibration Gauge Ht. (cfs) Flow Shift Gauge Ht. Flow %   Regression Statistics
Date (ft.) (X) Log(X) (ft.) (ft.) (cfs) (Y) Comments Multiple R 0.805128
04/12/2000 07:07 2.75 43.21 1.64 0.16 2.91 82.66 91.3% Positive error means R Square 0.648232
10/10/1991 10:30 2.78 50.14 1.70 0.24 3.02 112.90 125.2% indicated flow was Adjusted R Square 0.639438
09/09/1991 12:25 2.83 62.19 1.79 0.19 3.02 112.90 81.5% below correct flow. Standard Error 0.170826
02/13/1992 12:00 2.86 69.70 1.84 0.16 3.02 112.90 62.0%   Observations 83
04/17/1992 11:10 2.86 69.70 1.84 0.22 3.08 130.20 86.8%  
12/11/1991 13:00 2.88 74.82 1.87 0.15 3.03 115.70 54.6%   ANOVA
02/06/1996 09:00 2.88 74.82 1.87 0.07 2.95 93.39 24.8%     df SS MS F Significance F
03/11/1992 14:30 2.89 77.41 1.89 0.21 3.10 136.20 75.9%   Regression 2 4.30201 2.151005 73.71126 7.08E-19
08/15/1991 13:30 2.90 80.02 1.90 0.16 3.06 124.40 55.5%   Residual 80 2.33452 0.029181
01/14/1992 15:00 2.90 80.02 1.90 0.16 3.06 124.40 55.5%   Total 82 6.63653      
09/29/1994 09:20 2.90 80.02 1.90 0.07 2.97 98.86 23.5%  
10/15/1992 12:40 2.91 82.66 1.92 0.18 3.09 133.20 61.1%     Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0%
10/14/1999 10:00 2.91 82.66 1.92 0.06 2.97 133.20 61.1%   Intercept 7.035194 1.210908 5.809848 1.22E-07 4.625407 9.444982 4.625407 9.444982
01/04/1996 11:00 2.93 87.98 1.94 0.01 2.94 90.67 3.1%   X Variable 1 0.008196 0.002963 2.766022 0.007044 0.002299 0.014093 0.002299 0.014093
07/18/1990 09:05 2.94 90.67 1.96 0.07 3.01 110.00 21.3%   X Variable 2 -3.78965 0.755416 -5.01663 3.11E-06 -5.29297 -2.28632 -5.29297 -2.28632
01/07/1993 14:40 2.94 90.67 1.96 0.20 3.14 148.20 63.4%  
02/11/1993 08:45 2.94 90.67 1.96 0.20 3.14 148.20 63.4%  
08/17/1994 08:50 2.94 90.67 1.96 0.04 2.98 101.60 12.1%  
03/29/2000 15:18 2.94 90.67 1.96 0.03 2.97 98.86 9.0%   RESIDUAL OUTPUT
08/14/1989 15:15 2.95 93.39 1.97 0.05 3.00 107.20 14.8%  
09/08/1989 13:45 2.95 93.39 1.97 0.05 3.00 107.20 14.8%   Observation Predicted Y Residuals
09/09/1989 09:30 2.95 93.39 1.97 0.05 3.00 107.20 14.8%   1 1.19106 -0.27808
12/12/1990 14:00 2.95 93.39 1.97 0.12 3.07 127.30 36.3%   2 1.003047 0.248649
05/11/1992 15:05 2.95 93.39 1.97 0.18 3.13 145.20 55.5%   3 0.74734 0.068065
05/13/1991 13:30 2.96 96.12 1.98 0.13 3.09 133.20 38.6%   4 0.621258 -0.00146
10/02/1995 11:00 2.96 96.12 1.98 0.04 3.00 107.20 11.5%   5 0.621258 0.246748
06/21/1988 09:00 2.97 98.86 2.00 0.08 3.05 121.50 22.9%   6 0.546558 -0.00018
09/11/1990 09:30 2.97 98.86 2.00 0.09 3.06 124.40 25.8%   7 0.546558 -0.29836
03/11/1991 12:50 2.98 101.60 2.01 0.11 3.09 133.20 31.1%   8 0.511777 0.247686
02/22/2000 09:25 2.98 101.60 2.01 0.05 3.03 115.70 13.9%   9 0.478592 0.07602
01/14/1991 14:40 2.99 104.40 2.02 0.13 3.12 142.10 36.1%   10 0.478592 0.07602
11/13/1991 14:10 2.99 104.40 2.02 0.16 3.15 151.20 44.8%   11 0.478592 -0.24315
07/10/1984 14:00 3.00 107.20 2.03 0.21 3.21 169.80 58.4%   12 0.446807 0.164613
07/31/1984 09:00 3.00 107.20 2.03 0.16 3.16 154.30 43.9%   13 0.446807 0.164613
08/28/1984 11:00 3.00 107.20 2.03 0.15 3.15 151.20 41.0%   14 0.387754 -0.35718
09/27/1984 14:00 3.00 107.20 2.03 0.16 3.16 154.30 43.9%   15 0.360234 -0.14704
11/14/1990 13:55 3.00 107.20 2.03 0.05 3.05 121.50 13.3%   16 0.360234 0.274265
06/11/1992 11:00 3.00 107.20 2.03 0.15 3.15 151.20 41.0%   17 0.360234 0.274265
12/05/1994 08:20 3.00 107.20 2.03 0.05 3.05 121.50 13.3%   18 0.360234 -0.23969
11/13/1995 13:00 3.00 107.20 2.03 0.00 3.00 107.20 0.0%   19 0.360234 -0.26991
07/19/1991 10:20 3.01 110.00 2.04 0.14 3.15 151.20 37.5%   20 0.33388 -0.18601
03/21/1996 09:00 3.01 110.00 2.04 -0.04 2.97 98.86 -10.1%   21 0.33388 -0.18601
05/25/1989 13:00 3.02 112.90 2.05 0.05 3.07 127.30 12.8%   22 0.33388 -0.18601
10/11/1990 13:25 3.02 112.90 2.05 0.04 3.06 124.40 10.2%   23 0.33388 0.029221
11/12/1992 10:40 3.02 112.90 2.05 0.20 3.22 172.90 53.1%   24 0.33388 0.22089
04/09/1991 10:55 3.03 115.70 2.06 0.10 3.13 145.20 25.5%   25 0.308834 0.076933
08/16/1988 13:30 3.04 118.60 2.07 0.07 3.11 139.10 17.3%   26 0.308834 -0.19356
12/08/1992 14:30 3.04 118.60 2.07 0.14 3.18 160.40 35.2%   27 0.285032 -0.05602
09/26/1988 11:00 3.05 121.50 2.08 0.00 3.05 121.50 0.0%   28 0.285032 -0.02669
11/05/1988 09:00 3.05 121.50 2.08 0.02 3.07 127.30 4.8%   29 0.262494 0.04853
07/13/1989 13:30 3.07 127.30 2.10 0.01 3.08 130.20 2.3%   30 0.262494 -0.12371
04/06/1989 12:00 3.08 130.20 2.11 0.01 3.09 133.20 2.3%   31 0.240699 0.120412
06/11/1991 14:40 3.08 130.20 2.11 0.11 3.19 163.50 25.6%   32 0.240699 0.207577
11/24/1999 08:50 3.08 130.20 2.11 0.00 3.08 130.20 0.0%   33 0.220089 0.363866
01/18/2000 09:30 3.09 133.20 2.12 0.03 3.12 142.10 6.7%   34 0.220089 0.219277
02/08/1989 13:30 3.10 136.20 2.13 0.00 3.10 136.20 0.0%   35 0.220089 0.190359
11/13/1989 15:20 3.10 136.20 2.13 -0.02 3.08 130.20 -4.4%   36 0.220089 0.219277
12/14/1989 11:25 3.10 136.20 2.13 -0.06 3.04 118.60 -12.9%   37 0.220089 -0.08669
02/13/1991 10:25 3.10 136.20 2.13 0.07 3.17 157.40 15.6%   38 0.220089 0.190359
02/11/1994 09:00 3.10 136.20 2.13 -0.01 3.09 133.20 -2.2%   39 0.220089 -0.08669
01/24/1995 13:55 3.10 136.20 2.13 0.10 3.20 166.70 22.4%   40 0.220089 -0.22009
09/08/1998 13:30 3.10 136.20 2.13 -0.04 3.06 124.40 -8.7%   41 0.200602 -0.2006
12/02/1988 14:30 3.11 139.10 2.14 0.00 3.11 139.10 0.0%   42 0.200602 -0.30187
04/26/1994 13:30 3.12 142.10 2.15 -0.03 3.09 133.20 -6.3%   43 0.181542 -0.054
08/06/1986 12:30 3.13 145.20 2.16 0.14 3.27 188.80 30.0%   44 0.181542 -0.07968
01/04/1989 15:00 3.13 145.20 2.16 -0.06 3.07 127.30 -12.3%   45 0.181542 0.349901
02/15/1990 12:30 3.14 148.20 2.17 -0.05 3.09 133.20 -10.1%   46 0.164172 0.090798
03/13/1990 14:30 3.14 148.20 2.17 -0.05 3.09 133.20 -10.1%   47 0.147196 0.025654
09/10/1992 10:20 3.14 148.20 2.17 0.10 3.24 179.30 21.0%   48 0.147196 0.205249
08/11/1994 09:45 3.14 148.20 2.17 -0.01 3.13 145.20 -2.0%   49 0.131205 -0.13121
02/18/1986 14:30 3.16 154.30 2.19 0.12 3.28 192.10 24.5%   50 0.131205 -0.08347
01/08/1990 15:00 3.16 154.30 2.19 -0.04 3.12 142.10 -7.9%   51 0.101994 -0.07921
10/12/1988 12:30 3.17 157.40 2.20 -0.03 3.14 148.20 -5.8%   52 0.08869 -0.06565
08/14/1990 15:30 3.17 157.40 2.20 0.01 3.18 160.40 1.9%   53 0.08869 0.16707
10/11/1989 10:10 3.18 160.40 2.21 -0.04 3.14 148.20 -7.6%   54 0.08869 -0.08869
04/09/1990 13:05 3.19 163.50 2.21 -0.04 3.15 151.20 -7.5%   55 0.075786 -0.00897
05/18/1990 11:25 3.19 163.50 2.21 0.02 3.21 169.80 3.9%   56 0.063717 -0.06372
05/04/1989 11:30 3.22 172.90 2.24 0.01 3.23 176.10 1.9%   57 0.063717 -0.10777
07/20/1988 12:00 3.24 179.30 2.25 -0.03 3.21 169.80 -5.3%   58 0.063717 -0.19294
06/29/1989 12:30 3.25 182.40 2.26 0.00 3.25 182.40 0.0%   59 0.063717 0.091936
06/12/1990 14:26 3.26 185.60 2.27 0.05 3.31 201.80 8.7%   60 0.063717 -0.08574
01/10/1994 14:25 3.26 185.60 2.27 -0.06 3.20 166.70 -10.2%   61 0.063717 0.160218
04/20/1988 12:30 3.27 188.80 2.28 0.00 3.27 188.80 0.0% <--Regression to Here 62 0.063717 -0.15035
09/08/1986 09:30 3.28 192.10 2.28 0.16 3.44 245.30 27.7% (By Graphical 63 0.05281 -0.05281
09/30/1986 11:00 3.28 192.10 2.28 0.16 3.44 245.30 27.7% Inspection of Data) 64 0.04228 -0.10491
06/14/1994 08:55 3.28 192.10 2.28 -0.03 3.25 182.40 -5.0%   65 0.032169 0.268106
03/18/1988 13:00 3.30 198.50 2.30 0.03 3.33 208.40 5.0%   66 0.032169 -0.15545
01/27/1988 12:30 3.32 205.10 2.31 0.04 3.36 218.30 6.4%   67 0.023099 -0.12431
12/29/1987 12:00 3.33 208.40 2.32 -0.05 3.28 192.10 -7.8%   68 0.023099 -0.12431
08/14/1987 07:30 3.36 218.30 2.34 0.05 3.41 235.10 7.7%   69 0.023099 0.186752
08/26/1987 12:00 3.36 218.30 2.34 0.05 3.41 235.10 7.7%   70 0.023099 -0.04334
09/15/1988 11:30 3.36 218.30 2.34 -0.03 3.33 208.40 -4.5%   71 0.006709 0.238268
09/28/1988 11:00 3.36 218.30 2.34 0.00 3.36 218.30 0.0%   72 0.006709 -0.08578
08/12/1992 12:00 3.37 221.60 2.35 0.09 3.46 252.20 13.8%   73 -0.00062 -0.05783
03/08/1989 14:45 3.38 225.00 2.35 -0.02 3.36 218.30 -3.0%   74 -0.00062 0.019681
12/14/1993 10:00 3.40 231.70 2.36 -0.02 3.38 225.00 -2.9%   75 -0.00711 -0.06895
05/25/1988 14:00 3.44 245.30 2.39 -0.01 3.43 241.90 -1.4%   76 -0.0132 -0.06203
03/03/1994 08:30 3.44 245.30 2.39 0.03 3.47 255.60 4.2%   77 -0.0132 0.051736
02/22/1988 14:00 3.46 252.20 2.40 0.04 3.50 266.00 5.5%   78 -0.02816 0.046672
07/16/1992 12:55 3.47 255.60 2.41 0.12 3.59 297.80 16.5%   79 -0.03553 -0.01745
02/18/1987 11:30 3.48 259.10 2.41 -0.11 3.37 221.60 -14.5%   80 -0.03833 0.038334
10/01/1987 00:00 3.50 266.00 2.42 -0.02 3.48 259.10 -2.6%   81 -0.04073 0.128015
10/01/1987 15:00 3.50 266.00 2.42 -0.02 3.48 259.10 -2.6%   82 -0.04073 -0.0611
06/19/1996 13:30 3.54 280.00 2.45 -0.06 3.48 259.10 -7.5%   83 -0.04264 0.042638
07/16/1987 12:00 3.55 283.60 2.45 0.03 3.58 294.30 3.8%  
11/02/1987 08:00 3.56 287.10 2.46 -0.03 3.53 276.50 -3.7%  
12/02/1987 14:00 3.60 301.40 2.48 -0.04 3.56 287.10 -4.7%  
11/09/1993 13:40 3.64 315.90 2.50 -0.15 3.49 262.50 -16.9%  
06/15/1993 08:15 3.70 337.80 2.53 0.10 3.80 375.20 11.1%  
07/14/1993 09:00 3.70 337.80 2.53 0.10 3.80 375.20 11.1%  
01/21/1987 11:00 3.76 360.20 2.56 -0.11 3.65 319.50 -11.3%  
09/08/1993 10:40 3.78 367.70 2.57 0.07 3.85 394.20 7.2%  
05/20/1987 08:00 3.82 382.80 2.58 -0.06 3.76 360.20 -5.9%  
04/15/1986 12:30 3.86 398.10 2.60 0.00 3.86 398.10 0.0%  
04/28/1986 11:30 3.86 398.10 2.60 0.00 3.86 398.10 0.0%  
05/14/1986 14:00 3.89 409.60 2.61 -0.13 3.76 360.20 -12.1%  
11/24/1986 11:00 3.90 413.50 2.62 -0.12 3.78 367.70 -11.1%  
10/01/1993 00:01 3.91 417.40 2.62 -0.01 3.90 413.50 -0.9%  
02/07/1984 13:00 3.92 421.30 2.62 0.00 3.92 421.30 0.0%  
03/13/1984 12:00 3.92 421.30 2.62 0.14 4.06 476.50 13.1%  
04/10/1984 12:00 3.92 421.30 2.62 0.14 4.06 476.50 13.1%  
05/10/1984 12:00 3.92 421.30 2.62 0.14 4.06 476.50 13.1%  
05/27/1984 12:00 3.92 421.30 2.62 0.14 4.06 476.50 13.1%  
06/07/1984 12:30 3.92 421.30 2.62 0.14 4.06 476.50 13.1%  
06/17/1987 16:30 3.94 429.10 2.63 -0.02 3.92 421.30 -1.8%  
03/02/1993 09:40 3.96 436.90 2.64 0.05 4.01 456.60 4.5%  
04/19/1993 11:40 3.96 436.90 2.64 0.05 4.01 456.60 4.5%  
05/11/1993 15:05 3.96 436.90 2.64 0.05 4.01 456.60 4.5%  
10/13/1993 10:00 3.97 440.80 2.64 0.09 4.06 476.50 8.1%  
08/12/1993 09:38 4.04 468.50 2.67 -0.10 3.94 429.10 -8.4%  
12/15/1986 12:00 4.08 484.50 2.69 -0.15 3.93 425.20 -12.2%  
03/17/1987 12:00 4.27 562.30 2.75 -0.12 4.15 512.90 -8.8%  
09/10/1987 13:00 4.28 566.50 2.75 0.31 4.59 699.10 23.4%  
03/19/1986 15:00 4.49 655.70 2.82 0.19 4.68 738.80 12.7%  
03/24/1987 14:30 4.50 660.00 2.82 -0.12 4.38 608.60 -7.8%  
03/25/1987 10:00 4.50 660.00 2.82 -0.12 4.38 608.60 -7.8%  
03/26/1987 10:00 4.50 660.00 2.82 -0.12 4.38 608.60 -7.8%  
04/14/1987 09:30 4.50 660.00 2.82 -0.24 4.26 558.20 -15.4%  
06/18/1987 13:30 4.50 660.00 2.82 0.00 4.50 660.00 0.0%  
07/09/1986 09:30 4.73 761.10 2.88 -0.19 4.54 677.30 -11.0%  
07/10/1986 13:00 4.73 761.10 2.88 -0.19 4.54 677.30 -11.0%  
04/22/1987 08:30 4.86 818.00 2.91 -0.08 4.78 783.00 -4.3%  
10/29/1986 14:00 4.92 844.50 2.93 -0.35 4.57 690.40 -18.2%  
06/10/1986 12:30 5.05 903.70 2.96 0.06 5.11 932.30 3.2%  
10/01/1986 00:30 5.28 1015.00 3.01 0.18 5.46 1109.00 9.3%