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                                                           ACCUMULATIONS FOR MAY 2013



    |GLEN CANYON    |                         HOOVER DAM         |             DAVIS DAM           |      MWD       |            PARKER DAM              |
    |               |  LAKE                                      |LAKE                             |                | LAKE                               |   C.A.P.
    |         ACCUM.|  MEAD    HOOVER RELEASE        GROSS  RATE |MOHAVE      DAVIS RELEASE   GROSS|DIVER. AT INTAKE| HAVASU     PARKER RELEASE     GROSS| DIVER. ACCUM.
DAY |   CFS    A.F. |  ELEV.   CFS    A.F.   ACCUM.   GEN  KWH/AF|ELEV   CFS   A.F.   ACCUM.  GEN  | A.F. ACCUM.    | ELEV    CFS    A.F.   ACCUM.  GEN. | A.F.   A.F.
----------------------------------------------------------------------------------------------------------------------------------------------------------------------
  1   10800   21421   1112.71  16857  33436   33436  13976  418  644.13  16170  32072   32072  4040  3142   3142    448.52  12000  23800    23800   1551   5629   5629
  2   10800   42843   1112.55  15082  29914   63350  12672  424  643.82  15980  31698   63770  3990  3154   6296    448.58  10010  19851    43651   1297   4086   9715
  3   10800   64264   1112.39  16174  32080   95430  13534  422  643.74  16000  31732   95502  3992  3136   9431    448.59  11990  23781    67432   1580   4030  13745
  4    9600   83306   1112.37  12336  24468  119898  10305  421  643.47  16010  31762  127264  3979  3261  12692    448.65  11490  22797    90229   1509   4086  17831
  5    8900  100959   1112.34  10712  21246  141144   8869  417  643.17  15590  30926  158190  3870  3003  15695    448.61  11500  22804   113033   1512   6367  24198
  6   10300  121388   1112.16  17921  35546  176690  14924  420  643.23  15390  30527  188717  3810  3241  18936    448.63  10990  21800   134833   1429   5687  29885
  7   10600  142413   1112.03  16717  33158  209848  13983  422  643.34  15180  30109  218826  3761  3265  22201    448.64  10990  21806   156639   1431   5627  35512
  8   10600  163438   1111.86  16634  32994  242842  13840  419  643.34  15200  30139  248965  3781  3178  25379    448.78  10500  20823   177462   1378   5631  41143
  9   10700  184661   1111.67  20356  40376  283218  16467  408  643.69  14990  29727  278692  3723  3342  28721    448.74  10500  20820   198282   1427   6428  47572
 10   10700  205884   1111.59  14686  29130  312348  12226  420  643.61  15190  30137  308829  3773  2428  31148    448.62  11500  22820   221102   1588   5599  53171
 11    9500  224727   1111.44  17568  34846  347194  14626  420  643.72  15390  30534  339363  3823  2497  33646    448.60  11000  21809   242911   1507   5689  58859
 12    8900  242380   1111.43  11283  22380  369574   9428  421  643.39  15390  30522  369885  3822  2491  36137    448.55  11310  22433   265344   1553   7154  66014
 13   10800  263802   1111.25  17928  35560  405135  14821  417  643.51  15380  30508  400393  3837  2916  39053    448.62  11510  22835   288179   1589   5673  71687
 14   10600  284826   1111.12  15448  30640  435775  12781  417  643.54  15080  29907  430300  3779  3509  42561    448.47  12020  23848   312027   1653   5649  77336
 15   10800  306248   1110.94  16513  32754  468528  13708  419  643.57  15390  30534  460834  3815  3189  45751    448.15  12500  24793   336820   1711   5633  82969
 16   10700  327471   1110.77  18156  36012  504541  15094  419  643.74  15370  30490  491324  3815  3418  49168    448.15   9510  18868   355688   1339   6405  89373
 17   10600  348496   1110.65  15514  30772  535313  12960  421  643.76  15000  29746  521070  3725  3269  52437    448.06  12010  23812   379500   1683   5593  94967
 18    9400  367140   1110.62  12176  24150  559463  10074  417  643.40  15610  30964  552034  3878  2932  55369    447.93  11990  23777   403277   1668   5689 100655
 19    8900  384793   1110.59  11527  22864  582327   9529  417  643.34  14290  28344  580378  3531  2973  58342    447.86  11990  23779   427056   1669   7142 107798
 20   10600  405818   1110.43  17080  33878  616205  14253  421  643.29  14610  28983  609361  3620  3082  61424    447.75  11000  21813   448869   1508   3229 111027
 21   10900  427438   1110.23  19009  37704  653909  15754  418  643.56  14210  28192  637553  3556  2943  64368    447.89  10490  20797   469666   1456   4048 115075
TOTAL                                               273824                                    79920                                                32038

                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA
                                                          AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR MAY 2013

                                         LAKE MEAD                     LAKE MOHAVE                     LAKE HAVASU                      SENATOR WASH
  AVAILABLE CAPACITY IN A.F.             *26120000                        1809800                           619400                              9144
  ELEVATION IN FEET                        1219.6                          647.0                            450.0                             240.0

           TOTAL     TOTAL    |             HOOVER            |            DAVIS            |             PARKER            |             SENATOR WASH
          SYSTEM    AVAILABLE |ELEVATION    CONTENT   RELEASE |ELEVATION   CONTENT  RELEASE |ELEVATION    CONTENT   RELEASE | ELEVATION   CONTENT  PUMPED   RELEASE
     DAY  STORAGE**   SPACE   |  FEET       1000A.F.    ft3/s |  FEET      1000A.F.  ft3/s  |   FEET      1000A.F.  ft3/s   |  FEET        A.F.     ft3/s    ft3/s
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
       1    31146.0  29979.1    1112.71      12902       16900   644.13     1729.9    16200    448.52      590.0    12000      218.56     2972        0        0
       2    31116.5  30008.5    1112.55      12887       15100   643.82     1721.2    16000    448.58      591.2    10000      218.36     2933        0        0
       3    31098.6  30026.5    1112.39      12872       16200   643.74     1719.2    16000    448.59      591.5    12000      218.23     2907        0        0
       4    31090.1  30034.9    1112.37      12870       12300   643.47     1711.7    16000    448.65      592.6    11500      218.08     2878        0        0
       5    31084.6  30040.5    1112.34      12867       10700   643.17     1703.3    15600    448.61      591.9    11500      217.93     2849        0        0
       6    31065.9  30059.2    1112.16      12850       17900   643.23     1704.9    15400    448.63      592.2    11000      219.09     3078      123        0
       7    31050.8  30074.3    1112.03      12838       16700   643.34     1707.9    15200    448.64      592.3    11000      219.89     3242      101        0
       8    31037.6  30087.5    1111.86      12822       16600   643.34     1708.0    15200    448.78      595.2    10500      219.73     3209        0        0
       9    31032.6  30092.4    1111.67      12804       20400   643.69     1717.7    15000    448.74      594.4    10500      219.57     3177        0        0
      10    31024.5  30100.6    1111.59      12796       14700   643.61     1715.6    15200    448.62      592.1    11500      219.44     3149        0        0
      11    31015.0  30110.1    1111.44      12782       17600   643.72     1718.6    15400    448.60      591.7    11000      221.30     3546      218        0
      12    31008.4  30116.6    1111.43      12781       11300   643.39     1709.3    15400    448.55      590.7    11300      229.50     5630     1109        0
      13    30997.0  30128.1    1111.25      12764       17900   643.51     1712.7    15400    448.62      592.0    11500      229.35     5588       78        0
      14    30987.5  30137.5    1111.12      12752       15400   643.54     1713.7    15100    448.47      589.1    12000      228.76     5419        0        0
      15    30974.1  30151.0    1110.94      12735       16500   643.57     1714.3    15400    448.15      582.9    12500      228.24     5273        0        0
      16    30974.3  30150.7    1110.77      12719       18200   643.74     1719.2    15400    448.15      582.9     9510      227.77     5144        0        0
      17    30984.0  30141.1    1110.65      12708       15500   643.76     1719.5    15000    448.06      581.2    12000      228.37     5310      175        0
      18    31005.2  30119.9    1110.62      12705       12200   643.40     1709.7    15600    447.93      578.6    12000      229.55     5645      222        0
      19    31031.0  30094.0    1110.59      12702       11500   643.34     1707.9    14300    447.86      577.4    12000      229.63     5668       84        0
      20    31052.4  30072.6    1110.43      12687       17100   643.29     1706.6    14600    447.75      575.3    11000      229.16     5532        0        0
      21    31078.6  30046.5    1110.23      12669       19000   643.56     1714.1    14200    447.89      578.0    10500      228.72     5408        0        0

        * BOTTOM OF EXCLUSIVE FLOOD CONTROL SPACE
       ** INCLUDES FONTENELLE AND CRYSTAL RESERVOIRS
                                                                      BUREAU OF RECLAMATION
                                                                      LOWER COLORADO REGION
                                                                      BOULDER CITY, NEVADA
                                             COLORADO RIVER STORAGE PROJECT DATA (operational) FOR MAY 2013

                   LAKE POWELL          |        FLAMING GORGE        |          NAVAJO            |      BLUE MESA             |     MORROW POINT
             MAX. STORAGE 24322000 AF   |  MAX. STORAGE 3749000 AF    | MAX. STORAGE 1696000 AF    | MAX. STORAGE 829500 AF     | MAX. STORAGE 117025 AF  
    COMPUTED MAX. ELEV. 3700.0 FEET     |  MAX. ELEV. 6040.0 FEET     | MAX. ELEV. 6085.0 FEET     | MAX. ELEV. 7519.4 FEET     | MAX. ELEV. 7160.0 FEET
     INFLOW  ELEVATION CONTENT  RELEASE |  ELEVATION CONTENT  RELEASE | ELEVATION CONTENT  RELEASE | ELEVATION CONTENT  RELEASE | ELEVATION CONTENT  RELEASE
DATE FT3/S   (FEET)  (1000 AF)   FT3/S  |  (FEET)  (1000 AF)   FT3/   |(FEET)  (1000 AF)   FT3/S   | (FEET)  (1000 AF)   FT3/S  |(FEET)  (1000 AF)   FT3/S
------------------------------------------------------------------------------------------------------------------------------------------------------------
   1   2500   3596.36   11406    10800      6020.58   3000      820      6022.04    930      500     7454.73    339.6     810     7146.56    106.4    1160
   2   5700   3596.25   11396    10800      6020.57   3000      820      6022.38    930      350     7454.89    340.5     770     7146.00    106.0    1160
   3   8700   3596.20   11391    10800      6020.61   3000      820      6022.58    940      350     7454.94    340.8     940     7146.04    106.0    1130
   4   9000   3596.18   11389     9600      6020.60   3000      820      6022.76    940      350     7455.04    341.4     870     7146.07    106.1    1080
   5  11400   3596.22   11393     8900      6020.61   3000      820      6022.94    940      350     7455.15    342.1     930     7146.14    106.1    1140
   6   7100   3596.15   11386    10300      6020.63   3000      820      6023.11    940      350     7455.27    342.8     940     7146.20    106.2    1160
   7   7000   3596.07   11379    10600      6020.61   3000      820      6023.28    940      250     7455.13    341.9    1690     7148.05    107.6    1150
   8   9500   3596.04   11376    10600      6020.63   3000      820      6023.41    940      250     7454.99    341.1    1740     7150.07    109.1    1150
   9  13200   3596.08   11380    10700      6020.61   3000      820      6023.47    940      290     7454.79    339.9    1780     7152.16    110.8    1120
  10  11600   3596.09   11381    10700      6020.67   3000      820      6023.52    950      250     7454.52    338.4    1850     7154.27    112.4    1170
  11  10500   3596.10   11382     9500      6020.69   3000      820      6023.57    950      250     7454.27    336.9    1740     7156.07    113.9    1120
  12  11400   3596.14   11386     8900      6020.69   3000      820      6023.65    950      250     7454.25    336.8    1090     7156.38    114.1    1150
  13  10800   3596.13   11385    10800      6020.69   3000      820      6023.68    950      250     7454.67    339.2       0     7153.52    111.8    1400
  14  10600   3596.12   11384    10600      6020.73   3010      820      6023.78    950      250     7455.26    342.7       0     7150.83    109.7    1400
  15  11700   3596.13   11385    10800      6020.75   3010      820      6023.93    950      250     7456.03    347.2       0     7148.20    107.7    1360
  16  11600   3596.14   11386    10700      6020.75   3010      820      6024.16    950      250     7456.74    351.5     510     7147.93    107.5     930
  17  15600   3596.23   11394    10600      6020.77   3010      820      6024.49    950      250     7457.48    355.9     760     7149.25    108.5     630
  18  21600   3596.46   11415     9400      6020.79   3010      820      6024.84    960      250     7458.22    360.4     910     7150.13    109.2     900
  19  19000   3596.65   11433     8900      6020.83   3010      820      6025.12    960      250     7458.87    364.3     840     7151.12    109.9     730
  20  25800   3596.94   11460    10600      6020.91   3010      820      6025.35    960      250     7459.14    366.0    1280     7151.54    110.3    1300
  21  26600   3597.24   11489    10900      6020.89   3010      820      6025.53    960      250     7459.34    367.2    1100     7151.97    110.6    1110
                                        GLEN CANYON TO HOOVER DAM LOSSES

                                             MAY 2013

                      |           | LAKE    |         |   LAKE|    LAKE   |  CHANGE |
               GLEN   |    HOOVER | MEAD    |  STORAGE|   MEAD|    MEAD   |   BANK  |       |          |
              RELEASE |    RELEASE| STORAGE |  CHANGE |PUMPING|EVAPORATION| STORAGE |  LOSS |  ACCUMUL.|  INFLOW
   DATE |      CFS    |     CFS   | 1000 AF |  1000 AF|    CFS|     CFS   |    CFS  |   CFS |     A.F. |   CFS
--------------------------------------------------------------------------------------------------------------------
      1        10800       16900     12902       -19       673       792      -623      1204      2389      8163
      2        10800       15100     12887       -15       689       792      -492      1239      4846      8527
      3        10800       16200     12872       -15       674       792      -492      1155      7137      9612
      4         9600       12300     12870        -2       681       792       -66     -1851      3467     12699
      5         8900       10700     12867        -3       675       792       -98       261      3985     10556
      6        10300       17900     12850       -17       672       792      -557      -683      2630     10236
      7        10600       16700     12838       -12       670       792      -393     -2788     -2899     11719
      8        10600       16600     12822       -16       673       792      -524       813     -1285      9474
      9        10700       20400     12804       -18       692       792      -590     -1571     -4401     12219
     10        10700       14700     12796        -8       693       792      -262     -1264     -6909     11890
     11         9500       17600     12782       -14       699       792      -459      -869     -8633     11574
     12         8900       11300     12781        -1       717       792       -33     -1610    -11825     12272
     13        10800       17900     12764       -17       692       792      -557      -738    -13288     10256
     14        10600       15400     12752       -12       719       792      -393     -1519    -16302     10468
     15        10800       16500     12735       -17       717       792      -557      1965    -12404      8881
     16        10700       18200     12719       -16       724       792      -524      -484    -13364     11125
     17        10600       15500     12708       -11       709       792      -360      -297    -13954     11095
     18         9400       12200     12705        -3       729       792       -98     -1401    -16733     12110
     19         8900       11500     12702        -3       706       792       -98      -835    -18390     11387
     20        10600       17100     12687       -15       662       792      -492     -1060    -20491     10500
     21        10900       19000     12669       -18       669       792      -590     -1893    -24245     10796
    TOTAL     215700      329700                         14535     16632                        -24246    225559

E


(ft=feet above mean sea level, cfs=cubic feet per second, kaf=1000 acre-feet)

Note: Automatic reports have not been checked for errors.

Comments and questions about the data to:
Water Operations, bcoowaterops@usbr.gov