NATIONAL WEATHER SERVICE WEST GULF RIVER FORECAST CENTER 1998 WATER SUPPLY FORECAST ISSUED AS OF JAN 1, 1998 FORECAST RUNOFF AVERAGE RUNOFF MOST REASONABLE REASONABLE 30YR PROBABLE MAXIMUM MINIMUM 1961-1990 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) 324 98 432 131 215 65 330 Del Norte nr, CO (1) 515 99 712 137 317 61 520 Otowi Bridge, NM (2) 780 114 1427 208 130 19 686 San Marcial, NM (2) 600 120 1182 236 235 47 501 South Fork Rio Grande South Fork, CO (1) 141 107 201 152 81 61 132 Saguache Creek Saguache nr, CO (1) 33 97 47 137 19 57 34 Alamosa Creek Terrace Reservoir Inflow(1) 73 106 102 148 44 64 69 Conejos River Mogote nr, CO (1) 215 107 279 139 151 75 201 Culebra Creek San Luis, CO (1) 26 130 43 216 13 66 20 Red River Blo Fish Hat,Questa nr, (2) 39 118 52 157 26 79 33 Rio Hondo Valdez nr, NM (2) 18.0 110 27 163 9 57 16.4 Rio Pueblo de Taos Los Cordovas blo, NM (2) 44 138 75 235 13 40 32 Rio Chama El Vado res Inflow, NM (2) 240 108 370 166 109 49 223 Chamita nr, NM (2) 310 109 610 214 108 38 285 Rio Ojo Caliente La Madera, NM (2) 43 110 91 233 15 39 39 Santa Cruz River Cundiyo, NM (2) 18.0 111 29 178 7 44 16.2 Pecos River Pecos nr, NM (2) 60 122 92 187 28 58 49 Anton Chico nr, NM (2) 68 131 110 212 25 49 52 Santa Rosa Lake Inflow, (2) 57 127 104 232 11 24 45 Gallinas Creek Montezuma nr, NM (2) 9.0 115 13 171 5 60 7.8 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) 87 % 61 % RIO GRANDE BASIN, NEW MEXICO current swe (% of avg) current swe( % of last year) 116 % 81 % 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) 125 % 98 % RIO GRANDE BASIN, NEW MEXICO current storage (% of avg) current storage( % of last year) 198 % 121 %