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Water Supply Forecasts Northwest River Forecast Center Friday June 05, 2009 at 18:11 GMT Full month of observed precipitation Future precip_90% of normal rest of season No snow included Full complement runoff applied through MAY UPPER COLUMBIA BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 8450.0 88 9730.0 101 7170.0 75 9619. 9199 3245 75 FEB-JUL 8210.0 88 9490.0 101 6930.0 74 9372. 8909 3245 75 APR-SEP 11000.0 88 12200.0 98 9690.0 78 12500. 11570 3245 75 REVELSTOKE, BC JAN-JUL 12100.0 87 13100.0 94 11100.0 80 13880. 13420 5124 78 ARROW LAKES INFLOW JAN-JUL 18000.0 86 19900.0 95 16100.0 77 20960. 19230 8437 75 FEB-JUL 17400.0 86 19300.0 95 15500.0 77 20230. 18670 8437 75 APR-SEP 21800.0 87 23700.0 94 19900.0 79 25110. 22910 8437 75 BIRCHBANK, BC (1) JAN-JUL 32600.0 84 36800.0 95 28300.0 73 38930. 36130 16920 76 APR-SEP 36700.0 84 41000.0 94 32500.0 75 43500. 40800 16920 76 GRAND COULEE, WA (1) JAN-JUL 53700.0 85 59900.0 95 47500.0 76 62900. 59650 32880 80 APR-SEP 55800.0 87 62000.0 97 49600.0 78 63990. 62860 32880 80 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 58700.0 85 66000.0 96 51400.0 75 68910. 64110 35830 80 APR-SEP 60400.0 87 67700.0 97 53100.0 76 69540. 67150 35830 80 THE DALLES NR, OR (1) JAN-JUL 92000.0 86 102000.0 95 82500.0 77 107300. 99210 68110 85 APR-AUG 82400.0 89 91900.0 99 72900.0 78 93090. 93200 68110 85 APR-SEP 87300.0 88 96800.0 98 77800.0 79 98650. 97910 68110 85 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 4970.0 79 6100.0 97 3850.0 61 6306. 5516 2500 66 APR-AUG 5000.0 80 6120.0 98 3870.0 62 6248. 5539 2500 66 APR-SEP 5310.0 80 6430.0 97 4180.0 63 6638. 5887 2500 66 LEONIA, ID (1) APR-JUL 5710.0 81 7100.0 101 4320.0 61 7041. 6568 3580 68 APR-SEP 6590.0 81 7980.0 98 5200.0 64 8125. 7516 3580 68 BONNERS FERRY, ID APR-JUL 6170.0 81 7530.0 99 4800.0 63 7619. 7099 3943 67 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 12800.0 80 14600.0 91 10800.0 67 16010. 14250 7063 71 APR-SEP 13400.0 81 15500.0 94 11200.0 68 16450. 15060 7063 71 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1610.0 89 1960.0 109 1250.0 69 1800. 1691 761 86 FEB-JUL 1560.0 89 1910.0 109 1200.0 69 1746. 1638 761 86 APR-SEP 1990.0 89 2350.0 106 1640.0 74 2227. 2111 761 86 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 915.0 130 1130.0 161 690.0 98 704. 852 826 130 MISSOULA ABV, MT APR-SEP 1990.0 125 2240.0 140 1740.0 109 1595. 1798 1675 129 MISSOULA BLO, MT APR-SEP 3590.0 121 3960.0 134 3210.0 108 2962. 3420 2761 122 ST. REGIS, MT (1) APR-SEP 4390.0 112 5130.0 131 3650.0 93 3907. 4509 3558 116 PLAINS NR, MT (1) APR-SEP 10500.0 95 12200.0 110 8890.0 80 11060. 12090 7567 93 WHITEHORSE RAPIDS, ID (1) APR-SEP 11800.0 95 13700.0 110 9890.0 79 12460. 13630 8398 89 BLACKFOOT RIVER BONNER NR, MT APR-SEP 1070.0 120 1160.0 130 985.0 110 892. 946 849 128 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1590.0 117 1770.0 130 1420.0 104 1364. 1597 1136 120 Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1340.0 74 1530.0 85 1160.0 64 1801. 1865 837 72 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1500.0 86 1700.0 98 1300.0 75 1740. 2103 915 82 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2060.0 93 2480.0 112 1650.0 74 2224. 2506 1416 95 APR-SEP 2000.0 94 2410.0 113 1580.0 74 2124. 2530 1416 95 UPPER/MIDDLE COLUMBIA BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 4990.0 86 5720.0 98 4260.0 73 5825. 6676 3178 82 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 5830.0 87 7010.0 104 4660.0 69 6713. 7562 4130 89 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 575.0 71 765.0 94 385.0 47 814. 849 593 67 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 12800.0 92 14900.0 107 10700.0 77 13910. 15810 10400 93 APR-JUL 11700.0 92 13800.0 108 9620.0 76 12740. 14580 10400 93 BOX CANYON BLO, WA (1) APR-SEP 13000.0 92 15200.0 108 10800.0 77 14090. 16110 10530 91 KETTLE RIVER LAURIER NR, WA APR-SEP 1590.0 81 1850.0 94 1330.0 67 1972. 1517 906 66 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 875.0 112 970.0 125 780.0 100 778. 1302 1005 86 APR-JUL 830.0 112 925.0 125 735.0 99 739. 1258 1005 86 COEUR D'ALENE LAKE IN, ID APR-JUL 2810.0 110 3090.0 121 2530.0 99 2552. 3826 3813 100 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 3160.0 115 3230.0 118 3090.0 113 2744. 4128 3830 99 ST JOE RIVER CALDER, ID APR-SEP 1280.0 106 1390.0 115 1170.0 97 1205. 1656 1347 106 APR-JUL 1210.0 107 1330.0 117 1100.0 97 1136. 1571 1347 106 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 960.0 54 1430.0 81 490.0 28 1766. 1542 742 62 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 820.0 61 1130.0 84 505.0 37 1350. 1189 610 69 APR-SEP 880.0 61 1190.0 82 565.0 39 1450. 1259 610 69 METHOW RIVER PATEROS NR, WA (1) APR-SEP 625.0 63 835.0 85 415.0 42 985. 926 478 79 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 890.0 75 1100.0 93 685.0 58 1185. 1157 718 91 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1330.0 81 1840.0 113 825.0 50 1635. 1521 1245 93 YAKIMA AND MAINSTEM SNAKE BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 133.0 100 156.0 117 110.0 83 133. 174 189 97 CLE ELUM, WA APR-SEP 960.0 106 1090.0 121 830.0 92 903. 1013 1225 110 PARKER NR, WA APR-SEP 2080.0 108 2390.0 125 1780.0 93 1918. 2325 2640 104 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 120.0 100 138.0 115 102.0 85 120. 150 169 99 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 415.0 93 480.0 107 355.0 79 448. 479 451 99 NACHES RIVER NACHES NR, WA APR-SEP 935.0 112 1060.0 127 810.0 97 837. 991 1027 114 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 135.0 101 163.0 122 107.0 80 134. 155 129 94 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 255.0 105 290.0 120 225.0 93 242. 247 237 97 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 44.0 96 59.0 128 29.0 63 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-JUL 805.0 99 960.0 118 650.0 80 815. 894 540 101 APR-SEP 895.0 99 1050.0 116 735.0 81 904. 970 540 101 PALISADES RES INFLOW, ID (1) APR-JUL 3230.0 97 3660.0 110 2790.0 84 3331. 3352 2469 100 APR-SEP 3760.0 97 4190.0 108 3320.0 86 3875. 3850 2469 100 HEISE NR, ID APR-JUL 3510.0 99 4000.0 112 3020.0 85 3561. 3644 2871 104 APR-SEP 4100.0 99 4590.0 110 3610.0 87 4159. 4282 2871 104 SHELLEY NR, ID (1) APR-JUL 4360.0 98 4910.0 111 3810.0 86 4428. 4541 3924 104 APR-SEP 5240.0 98 5790.0 109 4690.0 88 5324. 5320 3924 104 BLACKFOOT NR, ID (1) APR-JUL 4390.0 95 4980.0 108 3800.0 83 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2690.0 83 3490.0 108 1880.0 58 3242. 2731 3628 83 MILNER, ID APR-JUL 980.0 80 1620.0 132 505.0 41 1228. 160 1060 44 KING HILL, ID (1) APR-JUL 2440.0 80 3240.0 106 1640.0 54 3045. 1765 4096 67 MURPHY NR, ID (1) APR-JUL 2540.0 82 3410.0 110 1660.0 54 3092. 1549 4377 69 WEISER, ID (1) JAN-JUL 6290.0 64 7710.0 79 4870.0 50 9793. 5966 6482 62 APR-JUL 4370.0 76 5790.0 100 2960.0 51 5765. 3926 6482 62 APR-SEP 5790.0 81 7210.0 100 4380.0 61 7192. 5218 6482 62 BROWNLEE RES INFLOW APR-JUL 4780.0 76 6490.0 103 3060.0 48 6313. 4367 7273 64 APR-SEP 5920.0 76 7640.0 98 4200.0 54 7801. 5699 7273 64 HELLS CANYON, ID (1) APR-JUL 4850.0 75 6420.0 99 3280.0 51 6493. 4738 7491 65 APR-SEP 6290.0 79 7860.0 99 4720.0 59 7977. 6060 7491 65 LOWER GRANITE RES IN, WA (1) JAN-JUL 27900.0 93 31400.0 105 24400.0 81 30020. 27520 23570 91 FEB-SEP 28400.0 94 31900.0 105 24800.0 82 30370. 28890 23570 91 APR-JUL 21900.0 102 25400.0 118 18300.0 85 21550. 22830 23570 91 APR-SEP 24300.0 101 27800.0 115 20700.0 86 24140. 25390 23570 91 UPPER SNAKE BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 410.0 104 460.0 117 365.0 93 394. 389 261 108 SALT RIVER ETNA NR, WY APR-JUL 350.0 102 405.0 118 290.0 85 342. 311 379 103 HENRYS FORK ASHTON NR, ID APR-JUL 470.0 82 540.0 95 395.0 69 571. 518 741 89 ST. ANTHONY, ID APR-JUL 660.0 90 775.0 106 545.0 74 734. 703 941 92 REXBURG NR, ID APR-JUL 1250.0 80 1430.0 92 1070.0 69 1559. 905 1116 65 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 260.0 67 315.0 82 200.0 52 386. 308 222 63 TETON RIVER ST. ANTHONY NR, ID APR-JUL 380.0 94 455.0 113 305.0 76 403. 445 331 100 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 102.0 72 143.0 101 62.0 44 142. 80 85 72 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 57.0 66 83.0 97 30.0 35 86. 41 57 63 PORTNEUF RIVER TOPAZ, ID APR-SEP 54.0 57 66.0 69 42.0 44 95. 61 71 67 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 19.1 66 25.0 86 13.5 47 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 182.0 71 260.0 102 106.0 41 256. 185 150 83 MAGIC RESERVOIR INFLOW, ID APR-JUL 189.0 65 240.0 82 138.0 47 291. 172 153 59 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 47.0 54 64.0 74 30.0 34 87. 50 52 62 MIDDLE SNAKE BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 175.0 84 220.0 106 131.0 63 208. 155 158 78 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 350.0 57 415.0 68 285.0 46 613. 452 419 56 OWYHEE RES OUTFLOW APR-JUL 26.0 12 33.0 15 23.0 11 217. 53 39 11 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 605.0 95 705.0 111 505.0 79 636. 655 555 97 BOISE NR, ID (1) APR-JUL 1230.0 87 1460.0 103 990.0 70 1414. 1290 1115 80 PARMA NR, ID APR-JUL 355.0 60 560.0 94 141.0 24 593. 319 429 44 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 420.0 77 525.0 97 320.0 59 542. 442 368 78 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 51.0 46 56.0 51 46.0 42 110. 85 69 49 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 45.0 56 49.0 60 41.0 51 81. 80 59 63 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1530.0 95 1850.0 114 1210.0 75 1617. 1701 1379 88 EMMETT NR, ID APR-JUL 1110.0 89 1460.0 117 765.0 61 1246. 1394 1065 74 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 130.0 97 154.0 115 106.0 79 134. 141 100 99 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 480.0 97 580.0 117 385.0 78 495. 525 453 92 WEISER RIVER WEISER NR, ID (1) APR-JUL 280.0 72 405.0 104 153.0 39 391. 479 405 61 BURNT RIVER HEREFORD NR, OR MAR-JUL 41.0 80 44.0 86 37.0 73 51. 57 51 80 LOWER SNAKE AND CENTRAL OREGON BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 57.0 81 67.0 96 48.0 69 70. 80 IMNAHA RIVER IMNAHA, OR MAR-JUL 310.0 103 350.0 116 265.0 88 301. 337 248 100 SALMON RIVER SALMON, ID (1) APR-JUL 885.0 103 1170.0 137 600.0 70 857. 806 785 101 WHITEBIRD, ID (1) JAN-JUL 7150.0 105 8140.0 120 6150.0 90 6805. 7310 4915 109 APR-JUL 6320.0 108 7320.0 125 5320.0 91 5851. 6560 4915 109 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 305.0 122 325.0 131 285.0 114 249. 347 326 114 APR-JUL 255.0 139 275.0 149 235.0 128 184. 301 326 114 TROY, OR (1) MAR-JUL 2080.0 132 2470.0 157 1680.0 106 1578. 1971 2011 118 APR-JUL 1800.0 141 2200.0 173 1410.0 111 1274. 1761 2011 118 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 5070.0 109 6130.0 132 4020.0 87 4645. 5729 4946 114 SPALDING, ID (1) JAN-JUL 10100.0 104 11500.0 119 8610.0 89 9683. 10500 8299 106 APR-JUL 8100.0 109 9560.0 129 6640.0 89 7435. 9382 8299 106 APR-SEP 8530.0 109 9990.0 127 7070.0 90 7849. 9851 8299 106 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3370.0 95 3800.0 107 2940.0 83 3547. 3823 2918 96 APR-JUL 2590.0 98 3030.0 115 2160.0 82 2644. 3434 2918 96 APR-SEP 2740.0 98 3180.0 113 2310.0 82 2803. 3659 2918 96 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 104.0 196 112.0 211 96.0 181 53. 92 144 151 UMATILLA RIVER GIBBON NR, OR APR-JUL 130.0 178 139.0 190 120.0 164 73. 127 197 131 PENDLETON, OR APR-JUL 320.0 215 335.0 225 305.0 205 149. 285 492 140 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 170.0 106 187.0 117 152.0 95 160. 0 APR-JUL 131.0 107 148.0 120 113.0 92 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 750.0 126 835.0 140 665.0 111 597. 883 877 96 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1200.0 104 1480.0 128 910.0 79 1153. 1362 1188 88 APR-SEP 995.0 115 1280.0 148 710.0 82 865. 1152 1188 88 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 510.0 97 535.0 101 485.0 92 528. 504 684 104 Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 115.0 63 127.0 69 102.0 55 184. 143 131 50 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 18.0 50 22.0 61 14.3 40 36. 33 WESTSIDE AND SOUTHERN OREGON BASINS Jun-09 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 5540.0 87 6680.0 105 4410.0 69 6365. 6790 6015 86 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3350.0 104 4140.0 129 2560.0 80 3217. 3468 3623 98 APR-JUL 1820.0 108 2610.0 155 1030.0 61 1689. 2328 3623 98 APR-SEP 2070.0 108 2860.0 149 1280.0 67 1922. 2615 3623 98 CASTLE ROCK, WA APR-SEP 2830.0 107 3920.0 149 1740.0 66 2639. 3330 5242 93 JAN-JUL 4860.0 103 5940.0 126 3770.0 80 4709. 4998 5242 93 LEWIS RIVER ARIEL, WA JAN-JUL 2240.0 95 2350.0 100 2130.0 91 2351. 2397 2567 84 MCKENZIE RIVER VIDA NR, OR APR-SEP 1510.0 126 1590.0 132 1430.0 119 1201. 1674 2440 100 S. SANTIAM RIVER WATERLOO, OR APR-SEP 710.0 121 820.0 140 600.0 102 587. 895 1884 91 N. SANTIAM RIVER MEHAMA, OR APR-SEP 1140.0 137 1270.0 152 1010.0 121 834. 1413 2238 102 WILLAMETTE RIVER SALEM, OR APR-SEP 5240.0 109 5830.0 121 4650.0 97 4804. 6084 12700 81 CLACKAMAS RIVER ESTACADA, OR APR-SEP 1000.0 134 1090.0 146 915.0 122 748. 1174 1694 96 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 147.0 97 168.0 111 126.0 83 151. 164 184 95 JAN-JUL 172.0 95 193.0 107 151.0 83 181. 180 184 95 ROGUE RIVER RAYGOLD, OR APR-SEP 830.0 93 890.0 100 765.0 86 889. 1076 1504 82 JAN-JUL 1370.0 86 1430.0 90 1310.0 83 1584. 1697 1504 82 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 69.0 78 91.0 102 47.0 53 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 70.0 54 115.0 89 24.0 19 129. 79 74 52 APR-SEP 54.0 55 100.0 101 8.5 9 99. 82 74 52 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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