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LOWER COLORADO RIVER DAILY REPORT
(hourly data)

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                                        DAILY RIVER REPORT FOR 5-12-2009
                                                       PAGE 1
                                        (All values are averages over the hour)



              MEAD     HOOVER      MOHAVE    MOHAVE     DAVIS     HAVASU      HAVASU     PARKER      MOOVALYA     INDIAN
 TIME         ELEV.    RELEASE      ELEV.    STORAGE    RELEASE     ELEV.     STORAGE    RELEASE       ELEV.      DIVER.
 (MST)        (FT)      (CFS)       (FT)      (KAF)      (CFS)      (FT)       (KAF)      (CFS)        (FT)       (CFS)

0000-0100    1099.68       6631     643.71     1718.2       4477     448.80      595.5       9232     364.50     1047.3
0100-0200    1099.66       4501     643.67     1717.1       4538     448.83      596.1       9220     364.50     1050.0
0200-0300    1099.67       4017     643.65     1716.6       4416     448.86      596.7       9208     364.50     1053.1
0300-0400    1099.69       3291     643.65     1716.6       4392     448.87      596.9       9160     364.50     1055.5
0400-0500    1099.69       4525     643.61     1715.5       4441     448.88      597.1       9184     364.42     1037.1
0500-0600    1099.67       4985     643.69     1717.7       8712     448.89      597.3       9232     364.28     1050.8
0600-0700    1099.70       4864     643.51     1712.7      13008     448.96      598.6       9244     364.34     1186.9
0700-0800    1099.70       4138     643.57     1714.4      13746     448.98      599.0       9208     364.34     1215.3
0800-0900    1099.68       7042     643.42     1710.2      18259     448.97      598.8       9256     364.35     1248.9
0900-1000    1099.68       7502     643.40     1709.7      22760     449.04      600.2       9244     364.35     1255.3
1000-1100    1099.69      14060     643.40     1709.7      22869     449.06      600.6       9256     364.35     1255.3
1100-1200    1099.68      14375     643.34     1708.1      22857     449.00      599.4      15597     364.35     1255.3
1200-1300    1099.69      13044     643.41     1710.0      23317     448.98      599.0      18682     364.36     1198.6
1300-1400    1099.69      18247     643.28     1706.4      23172     449.00      599.4      18755     364.34     1194.1
1400-1500                                                                                                              
1500-1600                                                                                                              
1600-1700                                                                                                              
1700-1800                                                                                                              
1800-1900                                                                                                              
1900-2000                                                                                                              
2000-2100                                                                                                              
2100-2200                                                                                                              
2200-2300                                                                                                              
2300-2400                                                                                                              
 
AVERAGE                    7944                            13640                            11034                      

                                        DAILY RIVER REPORT FOR 5-12-2009
                                                       PAGE 2
                                        (All values are averages over the hour)



                  BIG BEND                RS 41              PARKER GAGE           WATER WHEEL            PALO VERDE 
 TIME         STAGE       FLOW       STAGE       FLOW      STAGE       FLOW      STAGE       FLOW     STAGE        FLOW
 (MST)         (FT)       (CFS)       (FT)       (CFS)      (FT)       (CFS)      (FT)       (CFS)     (FT)        (CFS)

0000-0100     486.93      18976       453.72      19997     342.74       7095     303.90      15673     265.70       9615
0100-0200     485.71      15128       453.86      20318     343.01       7975     304.08      16289     265.98      10194
0200-0300     484.37      11562       453.99      20746     343.08       8213     304.10      16358     266.27      10790
0300-0400     483.14       8841       454.08      21072     343.03       8043     303.93      15775     266.55      11406
0400-0500     482.17       7034       454.13      20945     343.04       8077     303.63      14773     266.80      11942
0500-0600     481.48       5916       454.12      20469     343.48       9647     303.24      13524     266.99      12384
0600-0700     481.17       5456       454.05      19776     343.08       8213     302.84      12303     266.98      12359
0700-0800     481.79       6402       453.92      18740     342.96       7808     302.46      11201     266.97      12325
0800-0900     483.13       8821       453.74      17618     342.97       7841     302.16      10370     266.97      12330
0900-1000     484.55      12003       453.53      16229     342.97       7841     301.96       9835     266.96      12301
1000-1100     486.03      16080       453.29      14971     342.98       7875     301.83       9495     266.80      11962
1100-1200     487.09      19526       453.03      13747     342.99       7908     301.74       9264     266.58      11476
1200-1300     487.74      21874       452.78      12707     343.10       8282     301.64       9011     266.34      10948
1300-1400     488.12      23333       452.56      12022     344.18      12474     301.55       8786     266.09      10418
1400-1500                                                                                                                
1500-1600                                                                                                                
1600-1700                                                                                                                
1700-1800                                                                                                                
1800-1900                                                                                                                
1900-2000                                                                                                                
2000-2100                                                                                                                
2100-2200                                                                                                                
2200-2300                                                                                                                
2300-2400                                                                                                                
 
AVERAGE                   12925                   17811                  8378                 12333                 11461

                                        DAILY RIVER REPORT FOR  hour)

                                                       PAGE 3
                                        (All values are averages over the hour)



               TAYLOR FERRY              CIBOLA  
 TIME         STAGE       FLOW      STAGE       FLOW 
 (MST)         (FT)       (CFS)      (FT)       (CFS)

0000-0100     231.95      10228     208.49      10746
0100-0200     231.79       9947     208.54      10898
0200-0300     231.61       9636     208.57      10990
0300-0400     231.45       9364     208.59      11051
0400-0500     231.31       9129     208.58      11021
0500-0600     231.21       8964     208.56      10959
0600-0700     231.17       8898     208.52      10837
0700-0800     231.18       8914     208.47      10685
0800-0900     231.26       9046     208.42      10534
0900-1000     231.39       9263     208.36      10355
1000-1100     231.57       9567     208.29      10148
1100-1200     231.79       9947     208.23       9972
1200-1300     232.00      10317     208.19       9856
1300-1400     232.18      10640     208.16       9769
1400-1500                                            
1500-1600                                            
1600-1700                                            
1700-1800                                            
1800-1900                                            
1900-2000                                            
2000-2100                                            
2100-2200                                            
2200-2300                                            
2300-2400                                            
 
AVERAGE                    9561                 10559

                                        DAILY RIVER REPORT FOR 5-12-2009
                                                       PAGE 4
                                        (All values are averages over the hour)



               MARTINEZ LAKE*         BELOW LAGUNA DAM          YUMA GAGE           NORTH BOUNDARY    
 TIME         STAGE       FLOW        STAGE       FLOW       STAGE       FLOW      STAGE       FLOW   
 (MST)         (FT)       (CFS)        (FT)       (CFS)       (FT)       (CFS)      (FT)       (CFS) 

0000-0100     185.06       8863       123.97        459      112.91       1285                      
0100-0200     185.05       8840       123.97        458      112.91       1290                      
0200-0300     185.05       8840       123.98        459      112.92       1290                      
0300-0400     185.05       8840       123.98        458      112.92       1295                      
0400-0500     185.07       8886       123.96        458      112.93       1300                      
0500-0600     185.08       8909       123.97        457      112.93       1300                      
0600-0700     185.11       8978       123.97        457      112.88       1307                      
0700-0800     185.14       9047       123.97        459      112.83       1277                      
0800-0900     185.17       9117       123.97        457      112.83       1250                      
0900-1000     185.22       9232       123.97        458      112.85       1245                      
1000-1100     185.26       9323       123.97        457      112.88       1257                      
1100-1200     185.30       9415       123.97        458      112.90       1270                      
1200-1300     185.34       9507       123.97        458      112.86       1280                      
1300-1400     185.36       9553       123.97                 112.92       1272                      
1400-1500                                                                                           
1500-1600                                                                                           
1600-1700                                                                                           
1700-1800                                                                                           
1800-1900                                                                                           
1900-2000                                                                                           
2000-2100                                                                                           
2100-2200                                                                                           
2200-2300                                                                                           
2300-2400                                                                                           
 
AVERAGE                                                                                             


  * The Colorado River gage near Martinez Lake does not include the inlet flows to Martinez Lake 
E  

Note: Automatic reports have not been checked for errors.

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