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,                                                                   BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA

                                                               ACCUMULATIONS FOR MAY 2012

    |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   10100   20033   1123.90  11714  23234   23234   9770  420  643.12  15580  30898   30898  3891  3402   3402    449.05  12990  25774    25774   1812   5931   5931
  2    9900   39669   1123.73  16316  32362   55596  13884  429  643.09  15200  30146   61044  3785  3128   6530    448.76  13010  25815    51589   1801   5976  11907
  3   10100   59702   1123.61  16156  32045   87641  13632  425  643.02  16990  33699   94743  4226  3263   9792    449.08  10490  20808    72397   1453   5462  17369
  4   10200   79934   1123.48  15120  29990  117631  12767  426  642.96  15590  30929  125672  3868  3221  13014    448.93  11530  22867    95264   1608   5976  23345
  5    9300   98380   1123.39  14278  28320  145951  12072  426  642.84  15820  31381  157053  3925  3279  16292    448.87  11990  23791   119055   1658   5978  29324
  6    8700  115636   1123.32  12459  24712  170663  10493  425  642.57  15780  31295  188348  3915  3235  19527    448.77  12010  23814   142869   1667   5978  35302
  7   10200  135868   1123.17  16414  32557  203220  14088  433  642.58  15820  31372  219720  3916  3237  22764    448.69  12020  23843   166712   1660   5385  40687
  8   10200  156099   1123.04  15768  31275  234495  13409  429  642.45  16020  31770  251490  3959  3330  26095    448.69  12500  24784   191496   1731   3576  44263
  9   10200  176331   1122.84  18211  36121  270616  15577  431  642.58  15090  29937  281427  3721  3326  29421    448.62  11990  23791   215287   1660   5966  50229
 10   10200  196562   1122.70  16072  31878  302495  13665  429  642.63  16100  31939  313366  3987  3237  32658    448.67  10010  19860   235147   1407   5974  56204
 11   10200  216793   1122.54  19149  37981  340476  16294  429  642.74  16290  32311  345677  4042  3443  36101    448.60  11980  23759   258906   1659   5972  62176
 12    9300  235240   1122.48  12264  24325  364801  10303  424  642.50  16190  32111  377788  4001  3293  39394    448.47  13000  25785   284691   1784   5970  68146
 13    8600  252298   1122.51   9046  17942  382744   7555  421  641.93  15550  30844  408632  3874  2454  41847    448.35  12990  25775   310466   1787   5974  74120
 14   10200  272529   1122.36  17327  34368  417112  14640  426  641.94  16940  33605  442237  4203  2529  44376    448.24  12990  25766   336232   1784   5978  80099
 15   10300  292959   1122.25  12790  25369  442480  10643  420  641.60  16930  33576  475813  4224  2426  46802    448.25  12500  24785   361017   1735   5972  86071
 16   10100  312992   1122.08  17820  35345  477826  14985  424  641.66  14770  29297  505110  3605  3525  50327    448.32  11330  22473   383490   1571   4550  90621
 17   10200  333223   1121.78  20846  41347  519173  17699  428  642.13  14600  28961  534071  3583  3481  53808    448.38   8990  17833   401323   1245   5986  96607
 18   10300  353653   1121.58  20914  41482  560655  17777  429  642.51  15780  31302  565373  3898  3459  57267    448.31  11030  21884   423207   1514   5972 102579
 19    9400  372298   1121.46  16940  33600  594255  14440  430  642.42  16410  32549  597922  4051  3471  60738    448.34  11510  22830   446037   1585   5976 108555
 20    8500  389157   1121.29  18154  36008  630263  15391  427  642.55  16390  32517  630439  4056  3453  64191    448.32  11390  22586   468623   1580   5978 114534
 21   10000  408992   1121.06  19938  39546  669810  16904  427  642.72  16790  33305  663744  4161  3414  67605    448.33  12010  23824   492447   1652   5980 120514
 22   10300  429421   1120.85  19642  38959  708769  16528  424  642.89  15800  31341  695085  3943  3035  70639    448.25  12580  24951   517398   1748   5980 126494
 23   10300  449851   1120.66  18626  36944  745713  15668  424  643.23  14020  27818  722903  3459  3007  73646    448.16  11260  22332   539730   1528   6272 132766
 24    9900  469488   1120.42  18900  37487  783201  15907  424  643.21  16610  32952  755855  4124  3017  76663    448.14   9500  18843   558573   1297   5982 138748
 25    9900  489124   1120.25  15301  30349  813550  12830  423  643.05  17690  35085  790940  4388  3021  79684    448.28  10990  21795   580368   1516   5988 144736
 26    9100  507174   1120.17  14147  28060  841610  11790  420  642.85  16380  32499  823439  4062  3055  82739    448.40  11190  22202   602570   1568   6272 151008
 27    8700  524430   1120.10  13534  26844  868453  11356  423  642.68  16400  32520  855959  4061  3515  86253    448.42  11500  22803   625373   1608   5982 156990
 28    8600  541488   1119.97  15843  31424  899878  13291  423  642.56  16210  32145  888104  4006  3491  89744    448.38  11490  22793   648166   1595   5990 162980
 29   10200  561719   1119.78  18227  36152  936029  15337  424  642.72  15380  30498  918602  3799  3507  93251    448.48  11190  22203   670369   1547   5988 168968
 30    9700  580959   1119.61  15980  31696  967726  13240  418  642.75  15180  30102  948704  3756  3449  96700    448.48  10700  21216   691585   1471   5451 174418
 31   10000  600793   1119.38  20504  40670 1008396  17071  420  643.06  15780  31304  980008  3924  3453 100153    448.81   9000  17855   709440   1256   4788 179207

TOTAL                                               429006                                   122412                                                49486









                                                                    BUREAU OF RECLAMATION
                                                                    LOWER COLORADO REGION
                                                                    BOULDER CITY, NEVADA

                                                     AVAILABLE RESERVOIR ELEVATIONS AND CONTENTS FOR MAY 2012

                                        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    37173.5  23951.5    1123.90      13984       11700   643.12     1702.0    15600    449.05      600.4    13000      239.74     9046      168        0
       2    37155.6  23969.4    1123.73      13967       16300   643.09     1701.2    15200    448.76      594.7    13000      239.88     9099      115        0
       3    37149.3  23975.8    1123.61      13955       16200   643.02     1699.2    17000    449.08      601.0    10500      237.73     8303        0      352
       4    37134.7  23990.4    1123.48      13942       15100   642.96     1697.6    15600    448.93      598.0    11500      234.98     7343        0      471
       5    37136.1  23988.9    1123.39      13933       14300   642.84     1694.3    15800    448.87      596.9    12000      234.75     7267        0        0
       6    37117.5  24007.5    1123.32      13926       12500   642.57     1687.0    15800    448.77      594.9    12000      235.49     7517      164        0
       7    37109.4  24015.7    1123.17      13912       16400   642.58     1687.2    15800    448.69      593.4    12000      234.72     7257        0       85
       8    37083.8  24041.2    1123.04      13899       15800   642.45     1683.7    16000    448.69      593.4    12500      232.55     6551        0      334
       9    37069.5  24055.5    1122.84      13879       18200   642.58     1687.2    15100    448.62      592.0    12000      230.42     5900        0      317
      10    37058.0  24067.1    1122.70      13865       16100   642.63     1688.6    16100    448.67      593.0    10000      230.24     5846        0        0
      11    37043.6  24081.4    1122.54      13850       19100   642.74     1691.6    16300    448.60      591.6    12000      228.93     5466        0      186
      12    37036.2  24088.8    1122.48      13844       12300   642.50     1685.1    16200    448.47      589.1    13000      228.75     5416        0        0
      13    37022.9  24102.2    1122.51      13847        9050   641.93     1669.5    15600    448.35      586.8    13000      228.56     5363        0        0
      14    37010.9  24114.1    1122.36      13832       17300   641.94     1669.8    16900    448.24      584.7    13000      228.36     5307        0        0
      15    36993.1  24132.0    1122.25      13821       12800   641.60     1660.6    16900    448.25      584.8    12500      228.20     5262        0        0
      16    36979.4  24145.7    1122.08      13804       17800   641.66     1662.2    14800    448.32      586.2    11300      228.00     5206        0        0
      17    36961.7  24163.3    1121.78      13775       20800   642.13     1674.9    14600    448.38      587.4     8990      227.77     5144        0        0
      18    36952.6  24172.5    1121.58      13756       20900   642.51     1685.3    15800    448.31      586.0    11000      231.17     6124      536        0
      19    36946.7  24178.3    1121.46      13744       16900   642.42     1682.9    16400    448.34      586.6    11500      231.05     6088       27        0
      20    36935.6  24189.5    1121.29      13727       18200   642.55     1686.4    16400    448.32      586.2    11400      231.58     6250      124        0
      21    36909.1  24216.0    1121.06      13705       19900   642.72     1691.1    16800    448.33      586.4    12000      231.45     6210       28        0
      22    36882.8  24242.3    1120.85      13684       19600   642.89     1695.7    15800    448.25      584.8    12600      231.15     6118        0        0
      23    36862.2  24262.8    1120.66      13666       18600   643.23     1705.0    14000    448.16      583.1    11300      231.38     6188       81        0
      24    36816.1  24308.9    1120.42      13642       18900   643.21     1704.5    16600    448.14      582.7     9500      231.64     6268       94        0
      25    36796.1  24329.0    1120.25      13626       15300   643.05     1700.1    17700    448.28      585.4    11000      237.05     8059      983        0
      26    36775.9  24349.2    1120.17      13618       14100   642.85     1694.6    16400    448.40      587.8    11200      237.05     8059      145        0
      27    36780.5  24344.5    1120.10      13611       13500   642.68     1690.0    16400    448.42      588.1    11500      237.61     8260      220        0
      28    36772.3  24352.8    1119.97      13599       15800   642.56     1686.7    16200    448.38      587.4    11500      237.15     8095        0        0
      29    36765.8  24359.2    1119.78      13580       18200   642.72     1691.1    15400    448.48      589.3    11200      236.67     7926        0        0
      30    36761.5  24363.6    1119.61      13564       16000   642.75     1691.9    15200    448.48      589.3    10700      236.15     7744        0        0
      31    36760.8  24364.2    1119.38      13541       20500   643.06     1700.3    15800    448.81      595.7     9000      235.71     7592        0        0

TOTAL                                                   508150                       494200                        357690                          2685     1745
AVE.                                                     16390                        15940                         11540                            87       56
AC FT                                                  1008000                       980000                        709000                          5326     3461

      * 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 2012

                   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  11900   3635.78   15510    10100      6026.23   3210     1600      6059.92   1350      500     7483.42    531.2    1220     7157.05    114.7    1330
   2  13000   3635.82   15515     9900      6026.23   3210     1600      6059.96   1350      500     7483.32    530.5    1020     7156.64    114.3    1300
   3  10700   3635.82   15515    10100      6026.23   3210     1600      6060.03   1350      500     7483.23    529.8    1080     7156.46    114.2    1270
   4  11400   3635.83   15516    10200      6026.23   3210     1600      6060.14   1350      500     7483.17    529.3    1010     7156.23    114.0    1240
   5  16800   3635.94   15529     9300      6026.23   3210     1600      6060.26   1350      500     7483.13    529.1    1090     7156.20    114.0    1230
   6   6700   3635.90   15524     8700      6026.23   3210     1600      6060.39   1350      500     7483.17    529.3     880     7155.72    113.6    1200
   7  14000   3635.95   15530    10200      6026.21   3210     1600      6060.55   1350      500     7483.20    529.6    1120     7155.81    113.7    1230
   8   5100   3635.86   15520    10200      6026.21   3210     1600      6060.66   1360      500     7483.26    530.0     720     7155.01    113.0    1150
   9  12700   3635.89   15523    10200      6026.19   3200     1600      6060.73   1360      500     7483.23    529.8    1040     7155.08    113.1    1100
  10  10800   3635.89   15523    10200      6026.19   3200     1590      6060.78   1360      500     7483.18    529.4    1000     7154.37    112.5    1370
  11  10800   3635.89   15523    10200      6026.17   3200     1600      6060.86   1360      500     7483.17    529.3     960     7153.70    112.0    1340
  12  13600   3635.95   15530     9300      6026.15   3200     1600      6060.95   1360      500     7483.13    529.1    1120     7153.41    111.7    1320
  13   9800   3635.96   15531     8600      6026.13   3200     1600      6061.02   1360      500     7483.14    529.1     890     7152.54    111.1    1320
  14  12600   3635.99   15535    10200      6026.11   3200     1600      6061.13   1360      500     7483.11    528.9    1170     7152.31    110.9    1330
  15  11500   3636.00   15536    10300      6026.09   3200     1600      6061.20   1360      500     7483.04    528.4    1250     7152.37    110.9    1320
  16  10100   3635.99   15535    10100      6026.07   3200     1610      6061.26   1360      500     7482.98    527.9    1250     7152.35    110.9    1340
  17   7600   3635.94   15529    10200      6026.06   3200     1600      6061.33   1360      500     7483.00    528.1    1260     7152.47    111.0    1320
  18   9600   3635.92   15526    10300      6026.03   3200     1640      6061.39   1370      500     7482.96    527.8    1320     7152.84    111.3    1260
  19  12500   3635.96   15531     9400      6025.95   3200     3050      6061.47   1370      500     7482.96    527.8    1220     7152.95    111.4    1280
  20  10300   3635.98   15533     8500      6025.78   3190     4530      6061.56   1370      580     7482.96    527.8    1200     7152.98    111.4    1270
  21   8700   3635.95   15530    10000      6025.53   3180     5610      6061.51   1370     1920     7482.96    527.8    1270     7153.02    111.4    1350
  22  10900   3635.95   15530    10300      6025.25   3170     6740      6061.30   1360     3010     7482.99    528.0    1290     7153.23    111.6    1290
  23  12700   3635.98   15533    10300      6024.93   3160     7420      6060.86   1360     4690     7483.00    528.1    1310     7153.78    112.0    1180
  24   6100   3635.91   15525     9900      6024.61   3150     7000      6060.34   1350     5000     7483.05    528.5    1200     7154.04    112.2    1190
  25  16100   3636.00   15536     9900      6024.37   3140     5590      6059.77   1340     5000     7483.05    528.5    1240     7154.01    112.2    1310
  26  11000   3636.02   15538     9100      6024.17   3130     4430      6059.18   1340     5000     7483.00    528.1    1270     7154.08    112.3    1280
  27  23700   3636.25   15565     8700      6024.00   3120     4050      6058.56   1330     5000     7483.00    528.1    1200     7154.09    112.3    1280
  28  19200   3636.41   15583     8600      6023.87   3120     3680      6057.94   1320     5000     7482.96    527.8    1260     7154.06    112.3    1320
  29  19000   3636.54   15598    10200      6023.77   3120     3320      6057.30   1310     5000     7482.92    527.5    1230     7153.99    112.2    1300
  30  21700   3636.72   15619     9700      6023.65   3110     2960      6056.75   1310     3600     7482.86    527.0    1300     7154.11    112.3    1280
  31  17500   3636.83   15632    10000      6023.57   3110     2640      6056.40   1300     2380     7482.82    526.7    1270     7154.07    112.3    1330

TOT  388100                     302900                        89860                        55680                        35660                        39630
AVE   12519                       9770                         2900                         1800                         1150                         1280
A F  769800                     601000                       178000                       110400                        70700                        78600






                                          BUREAU OF RECLAMATION
                                          LOWER COLORADO REGION
                                          BOULDER CITY, NEVADA

                                     GLEN CANYON TO HOOVER DAM LOSSES

                                                MAY 2012

                      |           | 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        10100       11700     13984        -2       639       789       -66     -3059     -6067     12100
      2         9900       16300     13967       -17       664       789      -557      1967     -2164      8630
      3        10100       16200     13955       -12       669       789      -393     -1146     -4438     11200
      4        10200       15100     13942       -13       693       789      -426       270     -3903      9600
      5         9300       14300     13933        -9       694       789      -295      -829     -5547     11000
      6         8700       12500     13926        -7       678       789      -229        14     -5519     10200
      7        10200       16400     13912       -14       682       789      -459     -1079     -7660     10400
      8        10200       15800     13899       -13       703       789      -426     -1639    -10912     10300
      9        10200       18200     13879       -20       731       789      -655      1255     -8423      8980
     10        10200       16100     13865       -14       738       789      -459       133     -8160     10100
     11        10200       19100     13850       -15       734       789      -492     -2328    -12778     12600
     12         9300       12300     13844        -6       756       789      -197      -390    -13553     10600
     13         8600        9050     13847         3       734       789        98     -1974    -17469     12200
     14        10200       17300     13832       -15       737       789      -492     -1483    -20409     10800
     15        10300       12800     13821       -11       743       789      -360       163    -20086      8430
     16        10100       17800     13804       -17       755       789      -557       -42    -20169     10200
     17        10200       20800     13775       -29       784       789      -950      3490    -13246      6800
     18        10300       20900     13756       -19       749       789      -623     -2091    -17394     12200
     19         9400       16900     13744       -12       764       789      -393     -1805    -20975     12000
     20         8500       18200     13727       -17       766       789      -557      -318    -21606     10600
     21        10000       19900     13705       -22       745       789      -721      -250    -22101      9620
     22        10300       19600     13684       -21       757       789      -688     -1369    -24817      9870
     23        10300       18600     13666       -18       685       789      -590      -421    -25653     10400
     24         9900       18900     13642       -24       697       789      -786      2832    -20035      7500
     25         9900       15300     13626       -16       693       789      -524      2078    -15914      8190
     26         9100       14100     13618        -8       698       789      -262     -1342    -18576     11300
     27         8700       13500     13611        -7       648       789      -229     -1312    -21179     11200
     28         8600       15800     13599       -12       647       789      -393     -1646    -24444     10800
     29        10200       18200     13580       -19       668       789      -623      -799    -26029      9460
     30         9700       16000     13564       -16       670       789      -524      -281    -26586      8870
     31        10000       20500     13541       -23       621       789      -754       637    -25322      9560

    TOTAL     303000      508400                         21942     24459                        -25322    315600







  

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Contact: Water Operations Control Center
Updated: March 2011

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