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Water Supply Forecasts Northwest River Forecast Center Monday January 08, 2007 at 21:27 GMT Full month of observed precipitation Future precip assumed to be normal Snow included in this run Full complement runoff applied through DEC UPPER COLUMBIA BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9390.0 98 12000.0 125 6810.0 71 9619. 9985 1025 77 FEB-SEP 12700.0 98 15200.0 117 10100.0 78 12960. 12300 1025 77 APR-SEP 12200.0 98 14800.0 118 9620.0 77 12500. 11850 1025 77 REVELSTOKE, BC JAN-JUL 13600.0 98 15800.0 114 11500.0 83 13880. 14190 1393 72 ARROW LAKES INFLOW JAN-JUL 20000.0 95 23200.0 111 16900.0 81 20960. 20790 2441 76 FEB-SEP 25300.0 96 28400.0 107 22200.0 84 26460. 24050 2441 76 APR-SEP 24000.0 96 27100.0 108 20900.0 83 25110. 22920 2441 76 BIRCHBANK, BC (1) JAN-JUL 38700.0 99 49000.0 126 28300.0 73 38930. 41180 4590 87 APR-SEP 43200.0 99 53600.0 123 32800.0 75 43500. 42860 4590 87 GRAND COULEE, WA (1) JAN-JUL 62600.0 100 80800.0 128 44500.0 71 62900. 66890 8188 98 APR-SEP 63700.0 100 81800.0 128 45500.0 71 63990. 63870 8188 98 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 71100.0 103 91500.0 133 50800.0 74 68910. 71930 9106 101 APR-SEP 71800.0 103 92200.0 133 51400.0 74 69540. 68910 9106 101 THE DALLES NR, OR (1) JAN-JUL 105000.0 98 135000.0 126 75500.0 70 107300. 114700 16660 99 APR-AUG 91300.0 98 121000.0 130 61600.0 66 93090. 97540 16660 99 APR-SEP 96800.0 98 127000.0 129 67000.0 68 98650. 101700 16660 99 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6520.0 103 8740.0 139 4300.0 68 6306. 6909 895 100 APR-AUG 6460.0 103 8680.0 139 4240.0 68 6248. 6628 895 100 APR-SEP 6860.0 103 9080.0 137 4640.0 70 6638. 6922 895 100 LEONIA, ID (1) APR-JUL 7260.0 103 9980.0 142 4540.0 64 7041. 7768 1222 108 APR-SEP 8380.0 103 11100.0 137 5660.0 70 8125. 8545 1222 108 BONNERS FERRY, ID APR-JUL 7880.0 103 10200.0 134 5590.0 73 7619. 8380 1295 108 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 16500.0 103 20700.0 129 12500.0 78 16010. 17210 2148 105 APR-SEP 17000.0 103 21300.0 129 12800.0 78 16450. 16790 2148 105 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1790.0 99 2240.0 124 1350.0 75 1800. 2033 203 83 FEB-SEP 2300.0 100 2740.0 119 1850.0 80 2305. 2361 203 83 APR-SEP 2220.0 100 2660.0 119 1770.0 79 2227. 2291 203 83 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 695.0 99 1090.0 155 295.0 42 704. 504 151 89 MISSOULA ABV, MT APR-SEP 1550.0 97 2300.0 144 800.0 50 1595. 1344 288 101 MISSOULA BLO, MT APR-SEP 2890.0 98 4150.0 140 1620.0 55 2962. 2770 551 116 ST. REGIS, MT (1) APR-SEP 3820.0 98 5870.0 150 1770.0 45 3907. 3648 716 115 PLAINS NR, MT (1) APR-SEP 10700.0 97 15500.0 140 5930.0 54 11060. 10840 1838 122 WHITEHORSE RAPIDS, ID (1) APR-SEP 11800.0 95 17200.0 138 6360.0 51 12460. 12060 2003 116 BLACKFOOT RIVER BONNER NR, MT APR-SEP 855.0 96 1210.0 136 500.0 56 892. 840 137 120 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1340.0 98 1890.0 139 780.0 57 1364. 1319 250 129 Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1810.0 100 2280.0 127 1340.0 74 1801. 1780 336 165 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1710.0 98 2150.0 124 1270.0 73 1740. 1737 305 156 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2130.0 96 2950.0 133 1310.0 59 2224. 2357 299 128 APR-SEP 2030.0 96 2850.0 134 1210.0 57 2124. 2175 299 128 UPPER/MIDDLE COLUMBIA BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5680.0 98 7380.0 127 3970.0 68 5825. 6002 912 138 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6650.0 99 9330.0 139 3960.0 59 6713. 7002 1139 149 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 865.0 106 1190.0 146 535.0 66 814. 997 170 120 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 13500.0 97 19400.0 139 7640.0 55 13910. 14260 2619 127 APR-JUL 12400.0 97 18200.0 143 6470.0 51 12740. 13520 2619 127 BOX CANYON BLO, WA (1) APR-SEP 13900.0 99 18800.0 133 8740.0 62 14090. 14500 2708 129 KETTLE RIVER LAURIER NR, WA APR-SEP 2290.0 116 2810.0 142 1770.0 90 1972. 2366 60 49 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 780.0 100 1070.0 138 495.0 64 778. 871 238 144 APR-JUL 740.0 100 1030.0 139 450.0 61 739. 841 238 144 COEUR D'ALENE LAKE IN, ID APR-JUL 2570.0 101 3680.0 144 1470.0 58 2552. 2456 692 129 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2720.0 99 2910.0 106 2540.0 93 2744. 2705 709 124 ST JOE RIVER CALDER, ID APR-SEP 1240.0 103 1650.0 137 830.0 69 1205. 1263 240 139 APR-JUL 1170.0 103 1580.0 139 760.0 67 1136. 1203 240 139 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 2140.0 121 3100.0 176 1190.0 67 1766. 1470 307 132 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1650.0 122 2420.0 179 875.0 65 1350. 1079 259 186 APR-SEP 1770.0 122 2550.0 176 1000.0 69 1450. 1122 259 186 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1200.0 122 1710.0 174 690.0 70 985. 1144 133 148 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1450.0 122 1640.0 138 1250.0 105 1185. 1345 272 175 WENATCHEE RIVER PESHASTIN, WA APR-SEP 2020.0 124 2640.0 161 1400.0 86 1635. 1669 423 140 YAKIMA AND MAINSTEM SNAKE BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 168.0 126 220.0 165 116.0 87 133. 137 68 111 CLE ELUM, WA APR-SEP 1120.0 124 1440.0 159 810.0 90 903. 906 358 122 PARKER NR, WA APR-SEP 2410.0 126 3050.0 159 1770.0 92 1918. 2346 854 140 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 148.0 123 197.0 164 98.0 82 120. 122 63 131 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 560.0 125 715.0 160 410.0 92 448. 475 158 136 NACHES RIVER NACHES NR, WA APR-SEP 1030.0 123 1300.0 155 755.0 90 837. 1086 369 197 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 170.0 127 220.0 164 118.0 88 134. 154 63 174 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 290.0 120 360.0 149 220.0 91 242. 244 106 166 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 55.0 120 76.0 165 34.0 74 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 820.0 91 1060.0 117 585.0 65 904. 861 97 90 APR-JUL 740.0 91 975.0 120 505.0 62 815. 812 97 90 PALISADES RES INFLOW, ID (1) APR-JUL 3000.0 90 4070.0 122 1920.0 58 3331. 3267 566 95 HEISE NR, ID APR-JUL 3200.0 90 4380.0 123 2010.0 56 3561. 3618 671 98 SHELLEY NR, ID (1) APR-JUL 4140.0 93 5500.0 124 2780.0 63 4428. 4634 1046 98 BLACKFOOT NR, ID (1) APR-JUL 4070.0 88 5480.0 119 2650.0 58 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2650.0 82 4380.0 135 930.0 29 3242. 2929 1178 90 MILNER, ID APR-JUL 665.0 54 2050.0 167 300.0 24 1228. 996 169 25 KING HILL, ID (1) APR-JUL 2220.0 73 3600.0 118 835.0 27 3045. 3030 1397 66 MURPHY NR, ID (1) APR-JUL 2300.0 74 3700.0 120 895.0 29 3092. 3104 1433 66 WEISER, ID (1) JAN-JUL 7920.0 81 11000.0 112 4800.0 49 9793. 12140 2130 73 APR-JUL 4660.0 81 7770.0 135 1540.0 27 5765. 8160 2130 73 BROWNLEE RES INFLOW APR-JUL 5200.0 82 8460.0 134 1930.0 31 6313. 8975 2215 72 HELLS CANYON, ID (1) APR-JUL 5310.0 82 8730.0 134 1900.0 29 6493. 9324 2296 75 LOWER GRANITE RES IN, WA (1) JAN-JUL 28200.0 94 39000.0 130 17300.0 58 30020. 32200 4829 91 FEB-SEP 28500.0 94 39400.0 130 17600.0 58 30370. 31790 4829 91 APR-JUL 20200.0 94 31100.0 144 9360.0 43 21550. 24440 4829 91 UPPER SNAKE BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 370.0 94 515.0 131 230.0 58 394. 401 58 112 SALT RIVER ETNA NR, WY APR-JUL 320.0 94 490.0 143 144.0 42 342. 363 100 95 HENRYS FORK ASHTON NR, ID APR-JUL 535.0 94 680.0 119 395.0 69 571. 659 251 95 ST. ANTHONY, ID APR-JUL 700.0 95 960.0 131 440.0 60 734. 819 310 104 REXBURG NR, ID APR-JUL 1460.0 94 1880.0 121 1050.0 67 1559. 1016 413 80 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 350.0 91 435.0 113 260.0 67 386. 370 79 83 TETON RIVER ST. ANTHONY NR, ID APR-JUL 370.0 92 530.0 132 210.0 52 403. 464 100 107 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 135.0 95 230.0 162 39.0 27 142. 229 36 88 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 78.0 91 128.0 149 27.0 31 86. 94 9 87 PORTNEUF RIVER TOPAZ, ID APR-SEP 81.0 85 114.0 120 47.0 49 95. 120 24 85 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 24.0 83 45.0 155 3.2 11 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 230.0 90 380.0 148 74.0 29 256. 431 38 105 MAGIC RESERVOIR INFLOW, ID APR-JUL 235.0 81 490.0 168 0.0 0 291. 591 27 103 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 71.0 82 143.0 164 0.0 0 87. 163 13 109 MIDDLE SNAKE BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 160.0 77 280.0 135 38.0 18 208. 276 19 90 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 430.0 70 925.0 151 0.0 0 613. 1050 66 94 OWYHEE RES OUTFLOW APR-JUL 90.0 41 585.0 270 0.0 0 217. 594 14 136 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 620.0 97 810.0 127 430.0 68 636. 828 90 109 BOISE NR, ID (1) APR-JUL 1350.0 95 1950.0 138 745.0 53 1414. 2060 192 103 PARMA NR, ID APR-JUL 355.0 60 890.0 150 74.0 12 593. 1102 159 81 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 510.0 94 655.0 121 365.0 67 542. 816 65 110 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 80.0 73 145.0 132 16.0 15 110. 239 15 101 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 63.0 78 101.0 125 24.0 30 81. 155 12 96 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1660.0 103 2350.0 145 960.0 59 1617. 2214 272 104 EMMETT NR, ID APR-JUL 1320.0 106 2070.0 166 565.0 45 1246. 1977 200 76 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 134.0 100 186.0 139 82.0 61 134. 180 19 119 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 515.0 104 715.0 144 310.0 63 495. 684 97 105 WEISER RIVER WEISER NR, ID (1) APR-JUL 380.0 97 625.0 160 137.0 35 391. 717 58 80 BURNT RIVER HEREFORD NR, OR MAR-JUL 44.0 86 69.0 135 17.9 35 51. 81 7 88 LOWER SNAKE AND CENTRAL OREGON BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 62.0 89 88.0 126 36.0 51 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 265.0 88 370.0 123 162.0 54 301. 394 35 101 SALMON RIVER SALMON, ID (1) APR-JUL 845.0 99 1290.0 151 400.0 47 857. 1078 255 107 WHITEBIRD, ID (1) JAN-JUL 6780.0 100 9130.0 134 4430.0 65 6805. 7274 939 103 APR-JUL 5830.0 100 8180.0 140 3480.0 59 5851. 6441 939 103 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 210.0 84 295.0 118 126.0 51 249. 238 17 72 APR-JUL 155.0 84 240.0 130 71.0 39 184. 202 17 72 TROY, OR (1) MAR-JUL 1430.0 91 2170.0 138 685.0 43 1578. 1573 263 106 APR-JUL 1150.0 90 1890.0 148 410.0 32 1274. 1369 263 106 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4740.0 102 6940.0 149 2530.0 54 4645. 4316 750 130 SPALDING, ID (1) JAN-JUL 10100.0 104 13800.0 143 6330.0 65 9683. 9175 1449 136 APR-JUL 7730.0 104 11500.0 155 3990.0 54 7435. 7274 1449 136 APR-SEP 8160.0 104 11900.0 152 4420.0 56 7849. 7550 1449 136 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3730.0 105 4980.0 140 2480.0 70 3547. 3507 644 143 APR-JUL 2780.0 105 4030.0 152 1530.0 58 2644. 2676 644 143 APR-SEP 2950.0 105 4200.0 150 1700.0 61 2803. 2786 644 143 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 56.0 106 75.0 142 38.0 72 53. 63 27 108 UMATILLA RIVER GIBBON NR, OR APR-JUL 72.0 99 107.0 147 36.0 49 73. 86 38 143 PENDLETON, OR APR-JUL 146.0 98 225.0 151 68.0 46 149. 178 85 152 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 148.0 93 205.0 128 92.0 58 160. 0 APR-JUL 114.0 93 171.0 139 58.0 47 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 555.0 93 840.0 141 275.0 46 597. 745 90 106 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1070.0 93 1590.0 138 560.0 49 1153. 1235 124 84 APR-SEP 805.0 93 1320.0 153 290.0 34 865. 1038 124 84 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 530.0 100 605.0 115 450.0 85 528. 497 243 96 Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 173.0 94 270.0 147 74.0 40 184. 316 23 85 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 33.0 92 52.0 144 13.3 37 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Jan-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 7010.0 110 8980.0 141 5040.0 79 6365. 5621 3119 127 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3490.0 108 4860.0 151 2120.0 66 3217. 3453 1730 145 APR-JUL 1830.0 108 3200.0 189 460.0 27 1689. 1642 1730 145 APR-SEP 2080.0 108 3450.0 180 715.0 37 1922. 1817 1730 145 CASTLE ROCK, WA APR-SEP 2840.0 108 4740.0 180 935.0 35 2639. 2380 2721 147 JAN-JUL 5060.0 107 6960.0 148 3160.0 67 4709. 5136 2721 147 LEWIS RIVER ARIEL, WA JAN-JUL 2610.0 111 3030.0 129 2190.0 93 2351. 2514 1381 131 MCKENZIE RIVER VIDA NR, OR APR-SEP 1220.0 102 1510.0 126 930.0 77 1201. 1142 1005 130 S. SANTIAM RIVER WATERLOO, OR APR-SEP 585.0 100 855.0 146 315.0 54 587. 540 937 133 N. SANTIAM RIVER MEHAMA, OR APR-SEP 835.0 100 1130.0 135 545.0 65 834. 754 1045 143 WILLAMETTE RIVER SALEM, OR APR-SEP 4800.0 100 6460.0 134 3140.0 65 4804. 4373 6345 129 CLACKAMAS RIVER ESTACADA, OR APR-SEP 780.0 104 1020.0 136 545.0 73 748. 678 799 143 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 151.0 100 200.0 132 102.0 68 151. 156 56 84 JAN-JUL 180.0 99 230.0 127 131.0 72 181. 195 56 84 ROGUE RIVER RAYGOLD, OR APR-SEP 880.0 99 1210.0 136 550.0 62 889. 895 559 109 JAN-JUL 1560.0 98 1890.0 119 1240.0 78 1584. 1970 559 109 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 72.0 81 116.0 130 28.0 31 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 102.0 79 189.0 147 15.2 12 129. 196 6 75 APR-SEP 78.0 79 165.0 167 0.0 0 99. 167 6 75 Forecasts are selected from those prepared by: National Weather Service Natural Resource Conservation Service B.C. Hydro and Power Authority. Project inflow forecasts have been coordinated with the U.S. Army Corp of Engineers and U.S. Bureau of Reclamation. All forecasts are in thousands of acre-feet. All averages are for the period 1971 through 2000 NOAA/NWS/Northwest River Forecast Center NNNN $$
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