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Water Supply Forecasts Northwest River Forecast Center Friday January 02, 2009 at 15:50 GMT Observed precipitation through the 29th Future precip assumed to be normal Snow included in this run Full complement runoff applied through DEC UPPER COLUMBIA BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9320.0 97 11900.0 124 6730.0 70 9619. 9199 1204 90 FEB-SEP 12600.0 97 15100.0 117 9970.0 77 12960. 12030 1204 90 APR-SEP 12100.0 97 14700.0 118 9530.0 76 12500. 11570 1204 90 REVELSTOKE, BC JAN-JUL 13500.0 97 15700.0 113 11400.0 82 13880. 13420 1880 97 ARROW LAKES INFLOW JAN-JUL 19800.0 94 22900.0 109 16700.0 80 20960. 19230 2772 87 FEB-SEP 25000.0 94 28100.0 106 21900.0 83 26460. 23880 2772 87 APR-SEP 23700.0 94 26900.0 107 20600.0 82 25110. 22910 2772 87 BIRCHBANK, BC (1) JAN-JUL 35500.0 91 45900.0 118 25200.0 65 38930. 36130 4743 90 APR-SEP 39700.0 91 50100.0 115 29300.0 67 43500. 40800 4743 90 GRAND COULEE, WA (1) JAN-JUL 56600.0 90 74700.0 119 38400.0 61 62900. 59650 6914 83 APR-SEP 57600.0 90 75700.0 118 39400.0 62 63990. 62860 6914 83 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 62500.0 91 82800.0 120 42100.0 61 68910. 64110 7533 84 APR-SEP 63000.0 91 83400.0 120 42700.0 61 69540. 67150 7533 84 THE DALLES NR, OR (1) JAN-JUL 92900.0 87 123000.0 115 63100.0 59 107300. 99210 13390 80 APR-AUG 80600.0 87 110000.0 118 50800.0 55 93090. 93200 13390 80 APR-SEP 85400.0 87 115000.0 117 55700.0 56 98650. 97910 13390 80 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 5520.0 88 7740.0 123 3300.0 52 6306. 5516 654 73 APR-AUG 5470.0 88 7690.0 123 3250.0 52 6248. 5539 654 73 APR-SEP 5810.0 88 8030.0 121 3590.0 54 6638. 5887 654 73 LEONIA, ID (1) APR-JUL 6080.0 86 8810.0 125 3360.0 48 7041. 6568 721 64 APR-SEP 7020.0 86 9740.0 120 4300.0 53 8125. 7516 721 64 BONNERS FERRY, ID APR-JUL 6590.0 86 8880.0 117 4300.0 56 7619. 7099 749 63 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 13800.0 86 17900.0 112 9700.0 61 16010. 14250 1527 75 APR-SEP 14200.0 86 18400.0 112 9970.0 61 16450. 15060 1527 75 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1690.0 94 2130.0 118 1240.0 69 1800. 1691 249 102 FEB-SEP 2160.0 94 2600.0 113 1710.0 74 2305. 2170 249 102 APR-SEP 2090.0 94 2530.0 114 1640.0 74 2227. 2111 249 102 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 715.0 102 1120.0 159 320.0 45 704. 852 191 113 MISSOULA ABV, MT APR-SEP 1570.0 98 2310.0 145 820.0 51 1595. 1798 320 113 MISSOULA BLO, MT APR-SEP 2770.0 94 4040.0 136 1510.0 51 2962. 3420 552 116 ST. REGIS, MT (1) APR-SEP 3660.0 94 5710.0 146 1610.0 41 3907. 4509 698 112 PLAINS NR, MT (1) APR-SEP 10100.0 91 14900.0 135 5320.0 48 11060. 12090 1334 88 WHITEHORSE RAPIDS, ID (1) APR-SEP 11100.0 89 16500.0 132 5680.0 46 12460. 13630 1350 78 BLACKFOOT RIVER BONNER NR, MT APR-SEP 840.0 94 1200.0 135 485.0 54 892. 946 129 113 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1210.0 89 1760.0 129 650.0 48 1364. 1597 246 127 Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1560.0 87 2030.0 113 1100.0 61 1801. 1865 127 62 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1580.0 91 2020.0 116 1140.0 66 1740. 2103 127 65 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2060.0 93 2880.0 129 1240.0 56 2224. 2506 211 90 APR-SEP 1970.0 93 2790.0 131 1150.0 54 2124. 2530 211 90 UPPER/MIDDLE COLUMBIA BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5240.0 90 6940.0 119 3530.0 61 5825. 6676 462 70 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6170.0 92 8860.0 132 3490.0 52 6713. 7562 696 91 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 655.0 80 985.0 121 325.0 40 814. 849 82 58 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 12200.0 88 18100.0 130 6290.0 45 13910. 15810 1668 81 APR-JUL 11200.0 88 17100.0 134 5330.0 42 12740. 14580 1668 81 BOX CANYON BLO, WA (1) APR-SEP 12400.0 88 17500.0 124 7330.0 52 14090. 16110 1745 83 KETTLE RIVER LAURIER NR, WA APR-SEP 1790.0 91 2310.0 117 1270.0 64 1972. 1517 73 60 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 700.0 90 985.0 127 415.0 53 778. 1302 65 39 APR-JUL 665.0 90 955.0 129 380.0 51 739. 1258 65 39 COEUR D'ALENE LAKE IN, ID APR-JUL 2180.0 85 3290.0 129 1070.0 42 2552. 3826 314 59 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2360.0 86 2540.0 93 2170.0 79 2744. 4128 344 60 ST JOE RIVER CALDER, ID APR-SEP 1040.0 86 1450.0 120 635.0 53 1205. 1656 131 76 APR-JUL 985.0 87 1390.0 122 580.0 51 1136. 1571 131 76 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1310.0 74 2260.0 128 350.0 20 1766. 1542 196 84 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1060.0 79 1840.0 136 285.0 21 1350. 1189 125 90 APR-SEP 1140.0 79 1920.0 132 370.0 26 1450. 1259 125 90 METHOW RIVER PATEROS NR, WA (1) APR-SEP 805.0 82 1310.0 133 290.0 29 985. 926 93 103 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1040.0 88 1230.0 104 845.0 71 1185. 1157 184 118 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1500.0 92 2120.0 130 875.0 54 1635. 1521 350 116 YAKIMA AND MAINSTEM SNAKE BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 117.0 88 168.0 126 65.0 49 133. 174 52 85 CLE ELUM, WA APR-SEP 790.0 87 1110.0 123 480.0 53 903. 1013 293 100 PARKER NR, WA APR-SEP 1650.0 86 2290.0 119 1010.0 53 1918. 2325 563 92 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 102.0 85 151.0 126 52.0 43 120. 150 45 94 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 390.0 87 545.0 122 240.0 54 448. 479 122 105 NACHES RIVER NACHES NR, WA APR-SEP 705.0 84 975.0 116 430.0 51 837. 991 173 92 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 116.0 87 168.0 125 64.0 48 134. 155 33 91 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 198.0 82 270.0 112 127.0 52 242. 247 55 86 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 40.0 87 61.0 133 18.7 41 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-JUL 765.0 94 1000.0 123 530.0 65 815. 894 67 62 APR-SEP 850.0 94 1080.0 119 615.0 68 904. 970 67 62 PALISADES RES INFLOW, ID (1) APR-JUL 3210.0 96 4280.0 128 2130.0 64 3331. 3352 504 84 APR-SEP 3740.0 97 4810.0 124 2660.0 69 3875. 3850 504 84 HEISE NR, ID APR-JUL 3430.0 96 4610.0 129 2250.0 63 3561. 3644 609 89 APR-SEP 4000.0 96 5180.0 125 2820.0 68 4159. 4282 609 89 SHELLEY NR, ID (1) APR-JUL 4420.0 100 5780.0 131 3060.0 69 4428. 4541 871 82 APR-SEP 5310.0 100 6670.0 125 3950.0 74 5324. 5320 871 82 BLACKFOOT NR, ID (1) APR-JUL 4450.0 97 5860.0 127 3030.0 66 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2900.0 89 4620.0 143 1170.0 36 3242. 2731 955 73 MILNER, ID APR-JUL 370.0 30 1750.0 143 150.0 12 1228. 160 63 9 KING HILL, ID (1) APR-JUL 1880.0 62 3260.0 107 500.0 16 3045. 1765 1151 54 MURPHY NR, ID (1) APR-JUL 2040.0 66 3440.0 111 640.0 21 3092. 1549 1280 59 WEISER, ID (1) JAN-JUL 6760.0 69 9880.0 101 3650.0 37 9793. 5966 1697 58 APR-JUL 3980.0 69 7100.0 123 870.0 15 5765. 3926 1697 58 APR-SEP 5390.0 75 8510.0 118 2280.0 32 7192. 5218 1697 58 BROWNLEE RES INFLOW APR-JUL 4450.0 70 7710.0 122 1180.0 19 6313. 4367 1892 61 APR-SEP 5860.0 75 9120.0 117 2590.0 33 7801. 5699 1892 61 HELLS CANYON, ID (1) APR-JUL 4540.0 70 7960.0 123 1130.0 17 6493. 4738 1908 62 APR-SEP 5980.0 75 9390.0 118 2560.0 32 7977. 6060 1908 62 LOWER GRANITE RES IN, WA (1) JAN-JUL 25500.0 85 36400.0 121 14600.0 49 30020. 27520 3845 72 FEB-SEP 25800.0 85 36700.0 121 14900.0 49 30370. 28890 3845 72 APR-JUL 18300.0 85 29200.0 135 7440.0 35 21550. 22830 3845 72 APR-SEP 20500.0 85 31400.0 130 9640.0 40 24140. 25390 3845 72 UPPER SNAKE BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 375.0 95 515.0 131 230.0 58 394. 389 62 119 SALT RIVER ETNA NR, WY APR-JUL 310.0 91 485.0 142 138.0 40 342. 311 90 85 HENRYS FORK ASHTON NR, ID APR-JUL 505.0 88 650.0 114 365.0 64 571. 518 218 82 ST. ANTHONY, ID APR-JUL 660.0 90 925.0 126 400.0 54 734. 703 228 77 REXBURG NR, ID APR-JUL 1400.0 90 1820.0 117 985.0 63 1559. 905 296 57 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 345.0 89 430.0 111 260.0 67 386. 308 40 42 TETON RIVER ST. ANTHONY NR, ID APR-JUL 350.0 87 510.0 127 193.0 48 403. 445 82 88 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 141.0 99 240.0 169 45.0 32 142. 80 24 59 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 88.0 102 138.0 160 37.0 43 86. 41 4 38 PORTNEUF RIVER TOPAZ, ID APR-SEP 90.0 95 123.0 129 56.0 59 95. 61 17 60 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 26.0 90 47.0 162 5.8 20 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 240.0 94 395.0 154 88.0 34 256. 185 28 77 MAGIC RESERVOIR INFLOW, ID APR-JUL 265.0 91 520.0 179 9.8 3 291. 172 9 34 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 82.0 94 153.0 176 10.8 12 87. 50 8 67 MIDDLE SNAKE BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 189.0 91 310.0 149 67.0 32 208. 155 12 57 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 555.0 91 1050.0 171 62.0 10 613. 452 47 67 OWYHEE RES OUTFLOW APR-JUL 26.0 12 415.0 191 0.0 0 217. 53 9 87 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 605.0 95 795.0 125 415.0 65 636. 655 67 81 BOISE NR, ID (1) APR-JUL 1360.0 96 1960.0 139 755.0 53 1414. 1290 137 73 PARMA NR, ID APR-JUL 290.0 49 830.0 140 82.0 14 593. 319 148 75 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 525.0 97 670.0 124 385.0 71 542. 442 47 79 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 96.0 87 160.0 145 31.0 28 110. 85 11 74 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 68.0 84 106.0 131 29.0 36 81. 80 10 80 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1440.0 89 2130.0 132 740.0 46 1617. 1701 192 73 EMMETT NR, ID APR-JUL 1090.0 87 1840.0 148 400.0 32 1246. 1394 170 65 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 126.0 94 178.0 133 74.0 55 134. 141 15 94 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 445.0 90 645.0 130 245.0 49 495. 525 58 63 WEISER RIVER WEISER NR, ID (1) APR-JUL 340.0 87 585.0 150 94.0 24 391. 479 29 40 BURNT RIVER HEREFORD NR, OR MAR-JUL 44.0 86 70.0 137 18.7 37 51. 57 7 88 LOWER SNAKE AND CENTRAL OREGON BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 61.0 87 87.0 124 35.0 50 70. 80 IMNAHA RIVER IMNAHA, OR MAR-JUL 260.0 86 365.0 121 154.0 51 301. 337 32 93 SALMON RIVER SALMON, ID (1) APR-JUL 830.0 97 1270.0 148 385.0 45 857. 806 197 83 WHITEBIRD, ID (1) JAN-JUL 6360.0 93 8710.0 128 4010.0 59 6805. 7310 754 83 APR-JUL 5470.0 93 7820.0 134 3120.0 53 5851. 6560 754 83 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 200.0 80 285.0 114 117.0 47 249. 347 8 34 APR-JUL 148.0 80 230.0 125 64.0 35 184. 301 8 34 TROY, OR (1) MAR-JUL 1390.0 88 2140.0 136 650.0 41 1578. 1971 162 65 APR-JUL 1130.0 89 1870.0 147 385.0 30 1274. 1761 162 65 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4260.0 92 6470.0 139 2050.0 44 4645. 5729 626 109 SPALDING, ID (1) JAN-JUL 8780.0 91 12500.0 129 5050.0 52 9683. 10500 1020 95 APR-JUL 6740.0 91 10500.0 141 3010.0 40 7435. 9382 1020 95 APR-SEP 7120.0 91 10900.0 139 3380.0 43 7849. 9851 1020 95 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3210.0 90 4460.0 126 1960.0 55 3547. 3823 397 88 APR-JUL 2390.0 90 3640.0 138 1140.0 43 2644. 3434 397 88 APR-SEP 2530.0 90 3780.0 135 1280.0 46 2803. 3659 397 88 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 49.0 92 68.0 128 31.0 58 53. 92 8 32 UMATILLA RIVER GIBBON NR, OR APR-JUL 72.0 99 107.0 147 36.0 49 73. 127 11 41 PENDLETON, OR APR-JUL 143.0 96 220.0 148 65.0 44 149. 285 17 30 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 135.0 84 191.0 119 78.0 49 160. 0 APR-JUL 104.0 85 160.0 130 47.0 38 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 500.0 84 780.0 131 220.0 37 597. 883 33 39 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 975.0 85 1490.0 129 460.0 40 1153. 1362 67 45 APR-SEP 730.0 84 1250.0 145 215.0 25 865. 1152 67 45 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 545.0 103 625.0 118 465.0 88 528. 504 298 117 Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 140.0 76 240.0 130 41.0 22 184. 143 6 22 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 29.0 81 48.0 133 9.7 27 36. 33 WESTSIDE AND SOUTHERN OREGON BASINS Jan-09 EarlyBird ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 5510.0 87 7480.0 118 3540.0 56 6365. 6790 1935 79 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 2870.0 89 4240.0 132 1500.0 47 3217. 3468 828 69 APR-JUL 1510.0 89 2880.0 171 142.0 8 1689. 2328 828 69 APR-SEP 1720.0 89 3090.0 161 345.0 18 1922. 2615 828 69 CASTLE ROCK, WA APR-SEP 2340.0 89 4240.0 161 445.0 17 2639. 3330 1059 57 JAN-JUL 4180.0 89 6080.0 129 2280.0 48 4709. 4998 1059 57 LEWIS RIVER ARIEL, WA JAN-JUL 2250.0 96 2670.0 114 1830.0 78 2351. 2397 558 53 MCKENZIE RIVER VIDA NR, OR APR-SEP 1260.0 105 1550.0 129 970.0 81 1201. 1674 461 59 S. SANTIAM RIVER WATERLOO, OR APR-SEP 600.0 102 870.0 148 330.0 56 587. 895 267 38 N. SANTIAM RIVER MEHAMA, OR APR-SEP 860.0 103 1150.0 138 565.0 68 834. 1413 404 55 WILLAMETTE RIVER SALEM, OR APR-SEP 4860.0 101 6520.0 136 3200.0 67 4804. 6084 1687 34 CLACKAMAS RIVER ESTACADA, OR APR-SEP 785.0 105 1020.0 136 550.0 74 748. 1174 287 51 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 157.0 104 205.0 136 108.0 72 151. 164 55 82 JAN-JUL 188.0 104 235.0 130 139.0 77 181. 180 55 82 ROGUE RIVER RAYGOLD, OR APR-SEP 915.0 103 1240.0 139 585.0 66 889. 1076 268 52 JAN-JUL 1630.0 103 1950.0 123 1300.0 82 1584. 1697 268 52 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 73.0 82 117.0 131 29.0 33 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 104.0 81 191.0 148 17.2 13 129. 79 APR-SEP 80.0 81 167.0 169 0.0 0 99. 82 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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