NATIONAL WEATHER SERVICE WEST GULF RIVER FORECAST CENTER 2003 WATER SUPPLY FORECAST ISSUED AS OF APR 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) 190 55 300 87 79 23 345 Del Norte nr, CO (1) 285 54 446 84 122 23 531 Otowi Bridge, NM (2) 465 61 863 114 76 10 757 San Marcial, NM (2) 305 53 647 113 69 12 573 South Fork Rio Grande South Fork, CO (1) 75 57 111 84 40 30 132 Saguache Creek Saguache nr, CO (1) 23 70 38 115 8 25 33 Alamosa Creek Terrace Reservoir Inflow(1) 35 50 53 76 17 24 70 Conejos River Mogote nr, CO (1) 127 64 178 89 78 39 200 Culebra Creek San Luis, CO (1) 27 117 41 178 13 58 23 Red River Blo Fish Hat,Questa nr, (2) 37 106 47 135 28 80 35 Rio Hondo Valdez nr, NM (2) 19.0 103 26 140 13 71 18.5 Rio Pueblo de Taos Los Cordovas blo, NM (2) 30 75 57 143 12 29 40 Rio Chama El Vado res Inflow, NM (2) 155 65 232 98 76 32 237 Chamita nr, NM (2) 190 67 415 100 72 23 312 Rio Ojo Caliente La Madera, NM (2) 30 77 67 149 12 27 45 Santa Cruz River Cundiyo, NM (2) 21.0 111 29 152 13 69 18.9 Pecos River Pecos nr, NM (2) 58 100 92 159 24 41 58 Anton Chico nr, NM (2) 65 102 102 159 28 44 64 Santa Rosa Lake Inflow, (2) 54 102 84 158 24 45 53 Gallinas Creek Montezuma nr, NM (2) 9.0 92 17 176 5 48 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) 76 % 205 % RIO GRANDE BASIN, NEW MEXICO current swe (% of avg) current swe( % of last year) 95 % 297 % 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) 61 % 80 % RIO GRANDE BASIN, NEW MEXICO current storage (% of avg) current storage( % of last year) 38 % 54 %