NATIONAL WEATHER SERVICE WEST GULF RIVER FORECAST CENTER 2003 WATER SUPPLY FORECAST ISSUED AS OF MAY 1, 2003 FORECAST RUNOFF AVERAGE RUNOFF MOST REASONABLE REASONABLE 30YR PROBABLE MAXIMUM MINIMUM 1971-2000 FORECAST FORECAST % % % POINT PERIOD 1000 30YR 1000 30YR 1000 30YR 1000 (*) AF AVG. AF AVG. AF AVG. AF *(1)APR-SEP *(2)MAR-JUL Rio Grande Wagon Wheel Gap, CO (1) 155 45 197 57 117 34 345 Del Norte nr, CO (1) 230 43 287 54 175 33 531 Otowi Bridge, NM (2) 400 53 727 96 68 9 757 San Marcial, NM (2) 245 43 487 85 29 5 573 South Fork Rio Grande South Fork, CO (1) 65 49 81 61 49 37 132 Saguache Creek Saguache nr, CO (1) 21 64 32 97 10 29 33 Alamosa Creek Terrace Reservoir Inflow(1) 32 46 45 64 19 27 70 Conejos River Mogote nr, CO (1) 120 60 154 77 88 44 200 Culebra Creek San Luis, CO (1) 23 100 32 139 14 59 23 Red River Blo Fish Hat,Questa nr, (2) 33 94 37 106 29 83 35 Rio Hondo Valdez nr, NM (2) 17.5 95 19 105 16 84 18.5 Rio Pueblo de Taos Los Cordovas blo, NM (2) 30 75 46 115 17 43 40 Rio Chama El Vado res Inflow, NM (2) 130 55 171 72 90 38 237 Chamita nr, NM (2) 160 51 240 77 78 25 312 Rio Ojo Caliente La Madera, NM (2) 28 62 55 122 12 27 45 Santa Cruz River Cundiyo, NM (2) 18.0 95 23 122 13 71 18.9 Pecos River Pecos nr, NM (2) 54 93 77 133 31 53 58 Anton Chico nr, NM (2) 59 92 84 131 34 53 64 Santa Rosa Lake Inflow, (2) 48 91 68 128 28 53 53 Gallinas Creek Montezuma nr, NM (2) 8.5 87 17 178 4 42 9.8 B A S I N S N O W P A C K ---------------------------- RIO GRANDE BASIN, COLORADO current swe (% of avg) current swe( % of last year) 56 % 933 % RIO GRANDE BASIN, NEW MEXICO current swe (% of avg) current swe( % of last year) 76 % 2533 % B A S I N R E S E R V O I R S T O R A G E ----------------------------------------------- RIO GRANDE BASIN, COLORADO current storage (% of avg) current storage( % of last year) 59 % 82 % RIO GRANDE BASIN, NEW MEXICO current storage (% of avg) current storage( % of last year) 37 % 54 %