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Water Supply Forecasts Northwest River Forecast Center Friday January 09, 2009 at 18:09 GMT Full month of observed precipitation Future precip is 140% of normal for the first week of January Subsequent precip is 100% of normal for the remainder of the period Snow included in this run Full complement runoff applied through UPPER COLUMBIA BASINS Jan-09 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. 9199 1277 96 FEB-SEP 12700.0 98 15200.0 117 10100.0 78 12960. 12030 1277 96 APR-SEP 12200.0 98 14800.0 118 9620.0 77 12500. 11570 1277 96 REVELSTOKE, BC JAN-JUL 13700.0 99 15900.0 115 11500.0 83 13880. 13420 1991 103 ARROW LAKES INFLOW JAN-JUL 20500.0 98 23600.0 113 17400.0 83 20960. 19230 2985 93 FEB-SEP 25900.0 98 29000.0 110 22800.0 86 26460. 23880 2985 93 APR-SEP 24600.0 98 27700.0 110 21400.0 85 25110. 22910 2985 93 BIRCHBANK, BC (1) JAN-JUL 37000.0 95 47400.0 122 26600.0 68 38930. 36130 5142 98 APR-SEP 41400.0 95 51800.0 119 31000.0 71 43500. 40800 5142 98 GRAND COULEE, WA (1) JAN-JUL 58200.0 93 76400.0 121 40100.0 64 62900. 59650 7541 91 APR-SEP 59200.0 93 77400.0 121 41100.0 64 63990. 62860 7541 91 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 63900.0 93 84200.0 122 43500.0 63 68910. 64110 8240 92 APR-SEP 64400.0 93 84800.0 122 44100.0 63 69540. 67150 8240 92 THE DALLES NR, OR (1) JAN-JUL 94700.0 88 124000.0 116 64900.0 60 107300. 99210 14730 88 APR-AUG 82100.0 88 112000.0 120 52300.0 56 93090. 93200 14730 88 APR-SEP 87000.0 88 117000.0 119 57200.0 58 98650. 97910 14730 88 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 5490.0 87 7710.0 122 3270.0 52 6306. 5516 711 79 APR-AUG 5440.0 87 7660.0 123 3220.0 52 6248. 5539 711 79 APR-SEP 5780.0 87 8000.0 121 3560.0 54 6638. 5887 711 79 LEONIA, ID (1) APR-JUL 6110.0 87 8830.0 125 3390.0 48 7041. 6568 795 70 APR-SEP 7050.0 87 9780.0 120 4330.0 53 8125. 7516 795 70 BONNERS FERRY, ID APR-JUL 6650.0 87 8960.0 118 4360.0 57 7619. 7099 825 69 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 14300.0 89 18400.0 115 10300.0 64 16010. 14250 1687 82 APR-SEP 14700.0 89 19000.0 116 10600.0 64 16450. 15060 1687 82 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1770.0 98 2220.0 123 1330.0 74 1800. 1691 271 110 FEB-SEP 2270.0 98 2710.0 118 1820.0 79 2305. 2170 271 110 APR-SEP 2190.0 98 2630.0 118 1740.0 78 2227. 2111 271 110 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 745.0 106 1140.0 162 345.0 49 704. 852 205 121 MISSOULA ABV, MT APR-SEP 1630.0 102 2380.0 149 885.0 55 1595. 1798 344 121 MISSOULA BLO, MT APR-SEP 2910.0 98 4170.0 141 1650.0 56 2962. 3420 585 123 ST. REGIS, MT (1) APR-SEP 3850.0 99 5900.0 151 1800.0 46 3907. 4509 767 123 PLAINS NR, MT (1) APR-SEP 10100.0 91 14900.0 135 5320.0 48 11060. 12090 1445 96 WHITEHORSE RAPIDS, ID (1) APR-SEP 11200.0 90 16600.0 133 5760.0 46 12460. 13630 1478 85 BLACKFOOT RIVER BONNER NR, MT APR-SEP 905.0 101 1260.0 141 545.0 61 892. 946 138 121 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1280.0 94 1830.0 134 720.0 53 1364. 1597 268 139 Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1460.0 81 1930.0 107 995.0 55 1801. 1865 134 66 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1420.0 82 1860.0 107 975.0 56 1740. 2103 137 70 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2110.0 95 2930.0 132 1290.0 58 2224. 2506 230 99 APR-SEP 2010.0 95 2830.0 133 1200.0 56 2124. 2530 230 99 UPPER/MIDDLE COLUMBIA BASINS Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5020.0 86 6730.0 116 3320.0 57 5825. 6676 501 76 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 5990.0 89 8670.0 129 3300.0 49 6713. 7562 755 99 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 675.0 83 1010.0 124 345.0 42 814. 849 100 71 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 12300.0 88 18200.0 131 6460.0 46 13910. 15810 1850 90 APR-JUL 11200.0 88 17100.0 134 5330.0 42 12740. 14580 1850 90 BOX CANYON BLO, WA (1) APR-SEP 12600.0 89 17600.0 125 7490.0 53 14090. 16110 1925 91 KETTLE RIVER LAURIER NR, WA APR-SEP 1700.0 86 2220.0 113 1180.0 60 1972. 1517 82 67 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 660.0 85 945.0 121 370.0 48 778. 1302 67 41 APR-JUL 625.0 85 915.0 124 340.0 46 739. 1258 67 41 COEUR D'ALENE LAKE IN, ID APR-JUL 2240.0 88 3350.0 131 1130.0 44 2552. 3826 359 67 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2410.0 88 2600.0 95 2230.0 81 2744. 4128 394 69 ST JOE RIVER CALDER, ID APR-SEP 1080.0 90 1490.0 124 675.0 56 1205. 1656 136 79 APR-JUL 1020.0 90 1430.0 126 610.0 54 1136. 1571 136 79 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1280.0 72 2230.0 126 320.0 18 1766. 1542 227 97 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1010.0 75 1780.0 132 230.0 17 1350. 1189 148 106 APR-SEP 1080.0 74 1860.0 128 310.0 21 1450. 1259 148 106 METHOW RIVER PATEROS NR, WA (1) APR-SEP 730.0 74 1240.0 126 215.0 22 985. 926 104 116 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 990.0 84 1190.0 100 795.0 67 1185. 1157 198 127 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1410.0 86 2030.0 124 795.0 49 1635. 1521 376 125 YAKIMA AND MAINSTEM SNAKE BASINS Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 122.0 92 174.0 131 70.0 53 133. 174 56 92 CLE ELUM, WA APR-SEP 800.0 89 1110.0 123 485.0 54 903. 1013 311 106 PARKER NR, WA APR-SEP 1780.0 93 2420.0 126 1140.0 59 1918. 2325 611 100 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 108.0 90 158.0 132 59.0 49 120. 150 48 100 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 400.0 89 550.0 123 245.0 55 448. 479 129 111 NACHES RIVER NACHES NR, WA APR-SEP 740.0 88 1010.0 121 470.0 56 837. 991 187 100 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 126.0 94 178.0 133 75.0 56 134. 155 35 96 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 220.0 91 290.0 120 148.0 61 242. 247 59 93 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 40.0 87 61.0 133 19.5 42 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-JUL 770.0 94 1000.0 123 535.0 66 815. 894 80 74 APR-SEP 855.0 95 1090.0 121 620.0 69 904. 970 80 74 PALISADES RES INFLOW, ID (1) APR-JUL 3160.0 95 4240.0 127 2080.0 62 3331. 3352 553 93 APR-SEP 3670.0 95 4750.0 123 2600.0 67 3875. 3850 553 93 HEISE NR, ID APR-JUL 3380.0 95 4560.0 128 2190.0 61 3561. 3644 670 98 APR-SEP 3950.0 95 5130.0 123 2770.0 67 4159. 4282 670 98 SHELLEY NR, ID (1) APR-JUL 4390.0 99 5750.0 130 3030.0 68 4428. 4541 958 90 APR-SEP 5280.0 99 6640.0 125 3920.0 74 5324. 5320 958 90 BLACKFOOT NR, ID (1) APR-JUL 4420.0 96 5830.0 127 3000.0 65 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2870.0 89 4590.0 142 1140.0 35 3242. 2731 1056 81 MILNER, ID APR-JUL 345.0 28 1730.0 141 150.0 12 1228. 160 99 15 KING HILL, ID (1) APR-JUL 1870.0 61 3250.0 107 485.0 16 3045. 1765 1274 60 MURPHY NR, ID (1) APR-JUL 2050.0 66 3450.0 112 650.0 21 3092. 1549 1408 65 WEISER, ID (1) JAN-JUL 6490.0 66 9600.0 98 3370.0 34 9793. 5966 1882 64 APR-JUL 3820.0 66 6940.0 120 705.0 12 5765. 3926 1882 64 APR-SEP 5230.0 73 8340.0 116 2110.0 29 7192. 5218 1882 64 BROWNLEE RES INFLOW APR-JUL 4260.0 67 7520.0 119 1000.0 16 6313. 4367 2091 68 APR-SEP 5670.0 73 8930.0 114 2410.0 31 7801. 5699 2091 68 HELLS CANYON, ID (1) APR-JUL 4350.0 67 7770.0 120 935.0 14 6493. 4738 2111 69 APR-SEP 5780.0 72 9200.0 115 2370.0 30 7977. 6060 2111 69 LOWER GRANITE RES IN, WA (1) JAN-JUL 25700.0 86 36600.0 122 14800.0 49 30020. 27520 4258 80 FEB-SEP 26000.0 86 36900.0 122 15100.0 50 30370. 28890 4258 80 APR-JUL 18400.0 85 29300.0 136 7570.0 35 21550. 22830 4258 80 APR-SEP 20700.0 86 31500.0 130 9790.0 41 24140. 25390 4258 80 UPPER SNAKE BASINS Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 365.0 93 505.0 128 220.0 56 394. 389 46 88 SALT RIVER ETNA NR, WY APR-JUL 310.0 91 485.0 142 136.0 40 342. 311 99 94 HENRYS FORK ASHTON NR, ID APR-JUL 515.0 90 660.0 116 375.0 66 571. 518 242 91 ST. ANTHONY, ID APR-JUL 655.0 89 920.0 125 390.0 53 734. 703 244 82 REXBURG NR, ID APR-JUL 1390.0 89 1810.0 116 970.0 62 1559. 905 326 63 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 350.0 91 435.0 113 265.0 69 386. 308 50 53 TETON RIVER ST. ANTHONY NR, ID APR-JUL 355.0 88 515.0 128 194.0 48 403. 445 90 97 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 127.0 89 225.0 158 30.0 21 142. 80 29 71 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 86.0 100 136.0 158 36.0 42 86. 41 5 48 PORTNEUF RIVER TOPAZ, ID APR-SEP 83.0 87 116.0 122 49.0 52 95. 61 19 67 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 26.0 90 46.0 159 4.8 17 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 225.0 88 380.0 148 71.0 28 256. 185 31 85 MAGIC RESERVOIR INFLOW, ID APR-JUL 255.0 88 510.0 175 0.8 0 291. 172 15 57 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 77.0 89 148.0 170 5.9 7 87. 50 9 76 MIDDLE SNAKE BASINS Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 200.0 96 325.0 156 80.0 38 208. 155 13 61 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 575.0 94 1070.0 175 82.0 13 613. 452 54 77 OWYHEE RES OUTFLOW APR-JUL 28.0 13 435.0 200 0.0 0 217. 53 10 97 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 580.0 91 770.0 121 390.0 61 636. 655 74 90 BOISE NR, ID (1) APR-JUL 1290.0 91 1890.0 134 685.0 48 1414. 1290 154 83 PARMA NR, ID APR-JUL 230.0 39 765.0 129 73.0 12 593. 319 162 82 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 495.0 91 640.0 118 350.0 65 542. 442 53 89 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 87.0 79 151.0 137 23.0 21 110. 85 12 81 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 68.0 84 106.0 131 29.0 36 81. 80 12 96 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1380.0 85 2070.0 128 680.0 42 1617. 1701 216 83 EMMETT NR, ID APR-JUL 1030.0 83 1770.0 142 370.0 30 1246. 1394 191 73 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 114.0 85 166.0 124 62.0 46 134. 141 17 106 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 435.0 88 635.0 128 235.0 47 495. 525 68 74 WEISER RIVER WEISER NR, ID (1) APR-JUL 330.0 84 575.0 147 83.0 21 391. 479 35 48 BURNT RIVER HEREFORD NR, OR MAR-JUL 42.0 82 68.0 133 16.2 32 51. 57 8 100 LOWER SNAKE AND CENTRAL OREGON BASINS Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 58.0 83 85.0 121 32.0 46 70. 80 IMNAHA RIVER IMNAHA, OR MAR-JUL 265.0 88 370.0 123 158.0 52 301. 337 34 99 SALMON RIVER SALMON, ID (1) APR-JUL 770.0 90 1210.0 141 330.0 39 857. 806 219 92 WHITEBIRD, ID (1) JAN-JUL 6320.0 93 8670.0 127 3970.0 58 6805. 7310 823 91 APR-JUL 5430.0 93 7780.0 133 3080.0 53 5851. 6560 823 91 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 220.0 88 305.0 122 138.0 55 249. 347 12 51 APR-JUL 163.0 89 245.0 133 79.0 43 184. 301 12 51 TROY, OR (1) MAR-JUL 1440.0 91 2180.0 138 700.0 44 1578. 1971 173 69 APR-JUL 1160.0 91 1910.0 150 420.0 33 1274. 1761 173 69 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4390.0 95 6590.0 142 2180.0 47 4645. 5729 687 119 SPALDING, ID (1) JAN-JUL 9110.0 94 12800.0 132 5370.0 55 9683. 10500 1118 105 APR-JUL 7000.0 94 10700.0 144 3260.0 44 7435. 9382 1118 105 APR-SEP 7390.0 94 11100.0 141 3650.0 47 7849. 9851 1118 105 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3340.0 94 4590.0 129 2090.0 59 3547. 3823 437 97 APR-JUL 2490.0 94 3740.0 141 1240.0 47 2644. 3434 437 97 APR-SEP 2640.0 94 3890.0 139 1390.0 50 2803. 3659 437 97 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 55.0 104 73.0 138 36.0 68 53. 92 12 48 UMATILLA RIVER GIBBON NR, OR APR-JUL 75.0 103 110.0 151 40.0 55 73. 127 16 60 PENDLETON, OR APR-JUL 150.0 101 230.0 154 71.0 48 149. 285 24 43 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 149.0 93 205.0 128 93.0 58 160. 0 APR-JUL 115.0 93 172.0 140 59.0 48 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 560.0 94 845.0 142 280.0 47 597. 883 37 44 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1100.0 95 1610.0 140 585.0 51 1153. 1362 77 52 APR-SEP 825.0 95 1340.0 155 310.0 36 865. 1152 77 52 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 540.0 102 620.0 117 460.0 87 528. 504 322 127 Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 184.0 100 285.0 155 86.0 47 184. 143 8 30 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 37.0 103 56.0 156 17.6 49 36. 33 WESTSIDE AND SOUTHERN OREGON BASINS Jan-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 5700.0 90 7670.0 121 3730.0 59 6365. 6790 2040 83 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3220.0 100 4590.0 143 1850.0 58 3217. 3468 921 77 APR-JUL 1690.0 100 3060.0 181 315.0 19 1689. 2328 921 77 APR-SEP 1920.0 100 3290.0 171 550.0 29 1922. 2615 921 77 CASTLE ROCK, WA APR-SEP 2640.0 100 4540.0 172 735.0 28 2639. 3330 1232 67 JAN-JUL 4710.0 100 6610.0 140 2810.0 60 4709. 4998 1232 67 LEWIS RIVER ARIEL, WA JAN-JUL 2350.0 100 2780.0 118 1930.0 82 2351. 2397 644 61 MCKENZIE RIVER VIDA NR, OR APR-SEP 1220.0 102 1510.0 126 925.0 77 1201. 1674 619 80 S. SANTIAM RIVER WATERLOO, OR APR-SEP 585.0 100 855.0 146 315.0 54 587. 895 447 63 N. SANTIAM RIVER MEHAMA, OR APR-SEP 880.0 106 1170.0 140 590.0 71 834. 1413 546 75 WILLAMETTE RIVER SALEM, OR APR-SEP 4800.0 100 6460.0 134 3140.0 65 4804. 6084 2769 56 CLACKAMAS RIVER ESTACADA, OR APR-SEP 750.0 100 985.0 132 515.0 69 748. 1174 366 65 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 161.0 107 210.0 139 112.0 74 151. 164 64 96 JAN-JUL 192.0 106 240.0 133 143.0 79 181. 180 64 96 ROGUE RIVER RAYGOLD, OR APR-SEP 900.0 101 1230.0 138 570.0 64 889. 1076 359 70 JAN-JUL 1600.0 101 1930.0 122 1270.0 80 1584. 1697 359 70 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 87.0 98 131.0 147 42.0 47 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 125.0 97 210.0 163 38.0 29 129. 79 5 63 APR-SEP 96.0 97 183.0 185 9.0 9 99. 82 5 63 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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