NATIONAL WEATHER SERVICE WEST GULF RIVER FORECAST CENTER 1998 WATER SUPPLY FORECAST ISSUED AS OF FEB 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) 290 88 389 118 191 58 330 Del Norte nr, CO (1) 495 95 666 128 328 63 520 Otowi Bridge, NM (2) 700 102 1290 188 274 40 686 San Marcial, NM (2) 530 106 1057 211 210 42 501 South Fork Rio Grande South Fork, CO (1) 130 99 182 138 78 59 132 Saguache Creek Saguache nr, CO (1) 33 97 47 137 19 57 34 Alamosa Creek Terrace Reservoir Inflow(1) 65 94 95 138 35 51 69 Conejos River Mogote nr, CO (1) 195 97 251 125 139 69 201 Culebra Creek San Luis, CO (1) 23 115 39 196 11 56 20 Red River Blo Fish Hat,Questa nr, (2) 33 100 46 139 20 61 33 Rio Hondo Valdez nr, NM (2) 15.5 95 24 146 7 43 16.4 Rio Pueblo de Taos Los Cordovas blo, NM (2) 38 119 66 206 10 31 32 Rio Chama El Vado res Inflow, NM (2) 210 94 319 143 103 46 223 Chamita nr, NM (2) 258 91 570 200 108 38 285 Rio Ojo Caliente La Madera, NM (2) 37 96 91 233 15 39 39 Santa Cruz River Cundiyo, NM (2) 17.0 105 24 149 10 61 16.2 Pecos River Pecos nr, NM (2) 45 92 70 143 20 40 49 Anton Chico nr, NM (2) 47 90 83 160 11 21 52 Santa Rosa Lake Inflow, (2) 42 93 83 185 17 37 45 Gallinas Creek Montezuma nr, NM (2) 7.2 92 11 143 3 41 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) 79 % 51 % RIO GRANDE BASIN, NEW MEXICO current swe (% of avg) current swe( % of last year) 94 % 58 % 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) 124 % 66 % RIO GRANDE BASIN, NEW MEXICO current storage (% of avg) current storage( % of last year) 197 % 120 %