RIO GRANDE FLOW / RESERVOIR CONDITIONS        
                     
The Rio Grande Flow Conditions are updated daily, Monday thru Friday at        
approximately 9:35 am Mountain Time/10:35 am Central Time.        
                     
                     
The following data are Provisional and are subject to revision.  Stage and flow determinations are made        
for river conditions at approximately 7:00 am to 8:00 am Standard Time unless otherwise indicated.        
                     
  DATE STAGE DISCHARGE RAINFALL            
    METERS             CMS     MM            
RG BELOW CABALLO DAM 17-May-13   0.00              
RG AT EL PASO 17-May-13 0.740 0.15              
RG BELOW AMERICAN DAM 17-May-13 0.340 0.01              
AMERICAN CANAL 17-May-13 0.695 0.16              
RG AT FORT QUITMAN 17-May-13 1.294 0.01              
RG ABOVE RIO CONCHOS 17-May-13 1.145 0.03              
RG BELOW RIO CONCHOS 17-May-13 0.950 7.25              
RG AT JOHNSON RANCH 17-May-13 1.935 15.80              
RG AT FOSTER RANCH 17-May-13 0.550 13.90              
PECOS NEAR LANGTRY 17-May-13 0.510 2.83              
DEVILS AT PAFFORD 17-May-13 0.630 3.40              
AMISTAD DAM                    
RG AT DEL RIO 17-May-13 0.515 15.50              
RG AT EAGLE PASS 17-May-13 1.070 26.70              
RG NEAR EL INDIO 17-May-13 1.890 25.80              
RG AT COLOMBIA                17-May-13 2.165 31.80              
RG AT LAREDO 17-May-13 0.585 28.90              
FALCON DAM                    
RG AT RIO GRANDE CTY 17-May-13 7.912 28.20              
RG BL ANZALDUAS DAM 17-May-13 24.590 22.40              
RG AT SAN BENITO 17-May-13 10.630 7.38              
RG AT BROWNSVILLE 17-May-13 1.110 8.87              
                     
ANZALDUAS SALINITY 17-May-13 31.820 1265 PPM            
                     
STORED WATER IN LARGE RESERVOIRS OF THE RIO GRANDE BASIN        
(Capacities and Storages in Million M3, Elevations in Meters)        
         
Reservoir                     Date Hour Normal Flood Current     24-hr        
    Cons. Control Elev.  Storage Storage        
    Capacity Capacity   (% Cons.) Change        
                     
ELEPHANT BUTTE                 Criteria Checks
17-May-13 0:00 2496 2496 1315.110 277 0        
          (11%)       0 1
CABALLO                    
17-May-13 0:00 280 403 1259.140 12 0        
          (4%)       1 0
AMISTAD                    
17-May-13 0:00 4040 6181 321.860 975 2        
Requested 6:00 U.S. 30.00 CMS (24%)       0 1
Release   MEX. 3.00 CMS            
FALCON                    
17-May-13 0:00 3265 3883 79.980 640 2        
Requested 6:00 U.S. 10.00 CMS (20%)       0 1
Release   MEX. 8.00 CMS            
                     
STORED WATER IN LARGE RESERVOIRS OF THE COLORADO BASIN        
(Capacities and Storages in 1000 Acre-Feet, Elevations in Feet)        
Reservoir                     Date Hour Total Capacity Current     24-hr        
        Elev.  Storage Storage        
            Change        
LAKE POWELL                    
17-May-13 0:00 24,322 3596.14 11,386 1        
LAKE MEAD                    
17-May-13 0:00 25,877 1110.77 12,719 -16        
                     
                     
                     
MEXICAN RESERVOIRS      
(Storages in Million M3, Elevations in Meters, Releases in CMS)      
                     
Reservoir                     Date Normal Flood   Current      Spill Percent        
  Cons. Control Elev.  Storage or of        
  Capacity Capacity     Release Cons.        
    RIO CONCHOS BASIN                    
SAN GABRIEL                    
5/17/13 8:00 245 317 1761.580 40 14.5 16%        
BOQUILLA                    
5/17/13 8:00 2894 3278 1297.110 723 27.0 25%        
F.I. MADERO                    
5/17/13 8:00 355 478 1229.360 103 0.0 29%        
PICO DEL AGUILA                    
5/17/13 8:00 51 87 1612.330 30 2.8 58%        
CHIHUAHUA                    
5/17/13 8:00 26 38 1530.860 4 0.1 17%        
EL REJON                    
5/17/13 8:00 7 8 1468.520 2 0.0 26%        
LUIS L. LEON                    
5/17/13 8:00 292 832 1036.320 329 0.0 112%        
    RIO SAN DIEGO BASIN                    
CENTENARIO                    
5/17/13 8:00 25 26 334.150 16 0.8 66%        
SAN MIGUEL                    
5/17/13 8:00 21 22 340.480 16 0.5 78%        
    RIO SAN RODRIGO BASIN                  
LA FRAGUA                    
5/17/13 8:00 47 85 297.080 25 0.8 54%        
    RIO SALADO BASIN                    
VENUSTIANO CARRANZA                    
5/17/13 8:00 1313 1322 254.530 324 10.5 25%        
                     
                     
    RIO ALAMO BASIN                    
LAS BLANCAS                    
5/17/13 8:00 84 134 84.160 21 0.8 24%        
    RIO SAN JUAN BASIN                    
EL CUCHILLO                    
5/17/13 8:00 1123 1784 151.680 240 3.9 21%        
MARTE GOMEZ                    
5/17/13 8:00 782 2304 70.540 204 28.4 26%        
                     
  Contributions from Rio Alamo and Rio San Juan to the Rio Grande are allotted 100% to Mexico per 1944 Treaty      
  article 4 (a)                    
                     
** Usable storage is an estimate of waters in storage which could be released through existing outlet works.