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Water Supply Forecasts Northwest River Forecast Center Monday July 09, 2007 at 21:26 GMT Full month of observed precipitation Future precip assumed to be normal No snow included Full complement runoff applied through UPPER COLUMBIA BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 11300.0 117 12600.0 131 10000.0 104 9619. 9985 8636 114 FEB-SEP 15200.0 117 16500.0 127 14000.0 108 12960. 12300 8636 114 APR-SEP 14700.0 118 15900.0 127 13400.0 107 12500. 11850 8636 114 REVELSTOKE, BC JAN-JUL 16100.0 116 17100.0 123 15100.0 109 13880. 14190 12480 111 ARROW LAKES INFLOW JAN-JUL 23400.0 112 25200.0 120 21500.0 103 20960. 20790 19100 106 FEB-SEP 29700.0 112 31600.0 119 27900.0 105 26460. 24050 19100 106 APR-SEP 28200.0 112 30000.0 119 26400.0 105 25110. 22920 19100 106 BIRCHBANK, BC (1) JAN-JUL 43300.0 111 47400.0 122 39200.0 101 38930. 41180 38650 111 APR-SEP 47600.0 109 51700.0 119 43500.0 100 43500. 42860 38650 111 GRAND COULEE, WA (1) JAN-JUL 64000.0 102 69800.0 111 58200.0 93 62900. 66890 60620 102 APR-SEP 63300.0 99 69100.0 108 57500.0 90 63990. 63870 60620 102 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 71900.0 104 78800.0 114 65000.0 94 68910. 71930 67060 103 APR-SEP 70700.0 102 77600.0 112 63800.0 92 69540. 68910 67060 103 THE DALLES NR, OR (1) JAN-JUL 95500.0 89 104000.0 97 87300.0 81 107300. 114700 98730 91 APR-AUG 80400.0 86 88700.0 95 72100.0 77 93090. 97540 98730 91 APR-SEP 85200.0 86 93500.0 95 76900.0 78 98650. 101700 98730 91 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 7310.0 116 8360.0 133 6260.0 99 6306. 6909 6993 118 APR-AUG 7130.0 114 8180.0 131 6080.0 97 6248. 6628 6993 118 APR-SEP 7580.0 114 8630.0 130 6530.0 98 6638. 6922 6993 118 LEONIA, ID (1) APR-JUL 7520.0 107 8820.0 125 6220.0 88 7041. 7768 8900 114 APR-SEP 8680.0 107 9980.0 123 7380.0 91 8125. 8545 8900 114 BONNERS FERRY, ID APR-JUL 7930.0 104 9260.0 122 6640.0 87 7619. 8380 9624 113 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 17700.0 111 19400.0 121 16100.0 101 16010. 17210 16990 113 APR-SEP 17600.0 107 19500.0 119 15700.0 95 16450. 16790 16990 113 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 2150.0 119 2500.0 139 1800.0 100 1800. 2033 1754 119 FEB-SEP 2750.0 119 3100.0 134 2400.0 104 2305. 2361 1754 119 APR-SEP 2630.0 118 2980.0 134 2280.0 102 2227. 2291 1754 119 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 555.0 79 780.0 111 335.0 48 704. 504 737 86 MISSOULA ABV, MT APR-SEP 1230.0 77 1480.0 93 980.0 61 1595. 1344 1586 89 MISSOULA BLO, MT APR-SEP 2190.0 74 2560.0 86 1820.0 61 2962. 2770 2929 90 ST. REGIS, MT (1) APR-SEP 2990.0 77 3630.0 93 2350.0 60 3907. 3648 3914 90 PLAINS NR, MT (1) APR-SEP 8510.0 77 9910.0 90 7110.0 64 11060. 10840 10700 91 WHITEHORSE RAPIDS, ID (1) APR-SEP 9430.0 76 11100.0 89 7740.0 62 12460. 12060 11980 89 BLACKFOOT RIVER BONNER NR, MT APR-SEP 670.0 75 755.0 85 580.0 65 892. 840 850 91 BITTERROOT RIVER AT MOUTH, MT APR-SEP 965.0 71 1140.0 84 790.0 58 1364. 1319 1268 87 Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1680.0 93 1860.0 103 1490.0 83 1801. 1780 1949 112 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1410.0 81 1600.0 92 1210.0 70 1740. 1737 1718 101 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 1950.0 88 2370.0 107 1530.0 69 2224. 2357 2109 95 APR-SEP 1700.0 80 2120.0 100 1280.0 60 2124. 2175 2109 95 UPPER/MIDDLE COLUMBIA BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 4920.0 84 5650.0 97 4180.0 72 5825. 6002 5849 101 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 5530.0 82 6700.0 100 4350.0 65 6713. 7002 6891 101 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 660.0 81 840.0 103 480.0 59 814. 997 1094 100 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 10900.0 78 12800.0 92 9030.0 65 13910. 14260 14890 96 APR-JUL 9980.0 78 11900.0 93 8080.0 63 12740. 13520 14890 96 BOX CANYON BLO, WA (1) APR-SEP 11100.0 79 13100.0 93 9100.0 65 14090. 14500 15220 96 KETTLE RIVER LAURIER NR, WA APR-SEP 1570.0 80 1830.0 93 1310.0 66 1972. 2366 1579 81 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 495.0 64 590.0 76 400.0 51 778. 871 1266 99 APR-JUL 470.0 64 565.0 76 375.0 51 739. 841 1266 99 COEUR D'ALENE LAKE IN, ID APR-JUL 1610.0 63 1890.0 74 1330.0 52 2552. 2456 3820 88 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 1830.0 67 1900.0 69 1770.0 65 2744. 2705 4134 94 ST JOE RIVER CALDER, ID APR-SEP 865.0 72 975.0 81 750.0 62 1205. 1263 1484 95 APR-JUL 810.0 71 925.0 81 695.0 61 1136. 1203 1484 95 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1760.0 100 2200.0 125 1320.0 75 1766. 1470 2057 114 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1430.0 106 1740.0 129 1130.0 84 1350. 1079 1825 129 APR-SEP 1540.0 106 1840.0 127 1240.0 86 1450. 1122 1825 129 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1080.0 110 1270.0 129 880.0 89 985. 1144 1183 125 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1330.0 112 1540.0 130 1120.0 95 1185. 1345 1538 133 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1630.0 100 2130.0 130 1120.0 69 1635. 1669 2151 118 YAKIMA AND MAINSTEM SNAKE BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 123.0 92 146.0 110 100.0 75 133. 137 248 109 CLE ELUM, WA APR-SEP 785.0 87 915.0 101 655.0 73 903. 906 1496 111 PARKER NR, WA APR-SEP 1800.0 94 2100.0 109 1490.0 78 1918. 2346 3659 121 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 109.0 91 127.0 106 91.0 76 120. 122 230 115 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 400.0 89 465.0 104 335.0 75 448. 475 663 114 NACHES RIVER NACHES NR, WA APR-SEP 755.0 90 880.0 105 630.0 75 837. 1086 1459 130 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 126.0 94 154.0 115 98.0 73 134. 154 224 125 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 210.0 87 240.0 99 179.0 74 242. 244 360 116 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 43.0 93 58.0 126 28.0 61 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-JUL 450.0 55 610.0 75 295.0 36 815. 812 606 69 APR-SEP 500.0 55 655.0 72 345.0 38 904. 861 606 69 PALISADES RES INFLOW, ID (1) APR-JUL 1680.0 50 2120.0 64 1240.0 37 3331. 3267 2533 67 APR-SEP 1960.0 51 2400.0 62 1520.0 39 3875. 3672 2533 67 HEISE NR, ID APR-JUL 1860.0 52 2350.0 66 1370.0 38 3561. 3618 2888 70 APR-SEP 2170.0 52 2660.0 64 1680.0 40 4159. 4188 2888 70 SHELLEY NR, ID (1) APR-JUL 2240.0 51 2770.0 63 1710.0 39 4428. 4634 4044 74 APR-SEP 2690.0 51 3220.0 60 2170.0 41 5324. 5339 4044 74 BLACKFOOT NR, ID (1) APR-JUL 2250.0 49 2820.0 61 1690.0 37 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 630.0 19 1350.0 42 0.0 0 3242. 2929 2860 52 MILNER, ID APR-JUL 130.0 11 194.0 16 130.0 11 1228. 996 570 21 KING HILL, ID (1) APR-JUL 1470.0 48 2230.0 73 715.0 23 3045. 3030 4049 59 MURPHY NR, ID (1) APR-JUL 1280.0 41 2110.0 68 450.0 15 3092. 3104 4063 57 WEISER, ID (1) JAN-JUL 4540.0 46 5870.0 60 3220.0 33 9793. 12140 6412 53 APR-JUL 2250.0 39 3570.0 62 920.0 16 5765. 8160 6412 53 APR-SEP 3620.0 50 4940.0 69 2290.0 32 7192. 9471 6412 53 BROWNLEE RES INFLOW APR-JUL 2460.0 39 4170.0 66 735.0 12 6313. 8975 6977 54 APR-SEP 3590.0 46 5310.0 68 1870.0 24 7801. 10350 6977 54 HELLS CANYON, ID (1) APR-JUL 2480.0 38 3940.0 61 1010.0 16 6493. 9324 7237 55 APR-SEP 3860.0 48 5320.0 67 2390.0 30 7977. 10740 7237 55 LOWER GRANITE RES IN, WA (1) JAN-JUL 19100.0 64 22300.0 74 15800.0 53 30020. 32200 22490 69 FEB-SEP 19200.0 63 22500.0 74 16000.0 53 30370. 31790 22490 69 APR-JUL 12700.0 59 16000.0 74 9400.0 44 21550. 24440 22490 69 APR-SEP 14300.0 59 17600.0 73 11000.0 46 24140. 26590 22490 69 UPPER SNAKE BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 220.0 56 270.0 69 170.0 43 394. 401 282 77 SALT RIVER ETNA NR, WY APR-JUL 132.0 39 192.0 56 72.0 21 342. 363 304 64 HENRYS FORK ASHTON NR, ID APR-JUL 370.0 65 445.0 78 300.0 53 571. 659 833 85 ST. ANTHONY, ID APR-JUL 390.0 53 505.0 69 280.0 38 734. 819 1026 84 REXBURG NR, ID APR-JUL 705.0 45 885.0 57 530.0 34 1559. 1016 1187 54 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 163.0 42 220.0 57 106.0 27 386. 370 293 59 TETON RIVER ST. ANTHONY NR, ID APR-JUL 205.0 51 280.0 69 132.0 33 403. 464 385 79 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 59.0 42 100.0 70 18.8 13 142. 229 114 63 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 14.1 16 38.0 44 0.0 0 86. 94 38 36 PORTNEUF RIVER TOPAZ, ID APR-SEP 51.0 54 63.0 66 39.0 41 95. 120 86 69 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 13.1 45 18.7 64 7.5 26 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 103.0 40 176.0 69 30.0 12 256. 431 164 59 MAGIC RESERVOIR INFLOW, ID APR-JUL 58.0 20 109.0 37 6.9 2 291. 591 120 35 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 22.0 25 39.0 45 4.7 5 87. 163 45 42 MIDDLE SNAKE BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 90.0 43 134.0 64 46.0 22 208. 276 137 52 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 142.0 23 205.0 33 77.0 13 613. 1050 284 35 OWYHEE RES OUTFLOW APR-JUL 36.0 17 43.0 20 28.0 13 217. 594 74 20 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 360.0 57 460.0 72 260.0 41 636. 828 550 72 BOISE NR, ID (1) APR-JUL 670.0 47 890.0 63 445.0 31 1414. 2060 1120 62 PARMA NR, ID APR-JUL 118.0 20 161.0 27 88.0 15 593. 1102 413 37 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 230.0 42 335.0 62 130.0 24 542. 816 360 57 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 38.0 35 42.0 38 33.0 30 110. 239 68 45 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 28.0 35 31.0 38 24.0 30 81. 155 23 22 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 880.0 54 1200.0 74 560.0 35 1617. 2214 1482 71 EMMETT NR, ID APR-JUL 580.0 47 925.0 74 315.0 25 1246. 1977 1015 55 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 80.0 60 104.0 78 56.0 42 134. 180 116 76 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 280.0 57 370.0 75 193.0 39 495. 684 480 72 WEISER RIVER WEISER NR, ID (1) APR-JUL 140.0 36 250.0 64 32.0 8 391. 717 337 45 BURNT RIVER HEREFORD NR, OR MAR-JUL 15.3 30 18.7 37 11.9 23 51. 81 28 42 LOWER SNAKE AND CENTRAL OREGON BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 26.0 37 35.0 50 16.5 24 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 175.0 58 220.0 73 133.0 44 301. 394 215 66 SALMON RIVER SALMON, ID (1) APR-JUL 545.0 64 825.0 96 265.0 31 857. 1078 967 86 WHITEBIRD, ID (1) JAN-JUL 4540.0 67 5470.0 80 3610.0 53 6805. 7274 5226 77 APR-JUL 3630.0 62 4560.0 78 2700.0 46 5851. 6441 5226 77 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 120.0 48 139.0 56 101.0 41 249. 238 182 58 APR-JUL 66.0 36 85.0 46 47.0 26 184. 202 182 58 TROY, OR (1) MAR-JUL 940.0 60 1330.0 84 550.0 35 1578. 1573 1414 70 APR-JUL 655.0 51 1050.0 82 265.0 21 1274. 1369 1414 70 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 3140.0 68 4150.0 89 2130.0 46 4645. 4316 4800 82 SPALDING, ID (1) JAN-JUL 7470.0 77 8890.0 92 6060.0 63 9683. 9175 8623 86 APR-JUL 5110.0 69 6530.0 88 3700.0 50 7435. 7274 8623 86 APR-SEP 5430.0 69 6850.0 87 4020.0 51 7849. 7550 8623 86 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 2790.0 79 3210.0 90 2380.0 67 3547. 3507 3315 88 APR-JUL 1850.0 70 2260.0 85 1430.0 54 2644. 2676 3315 88 APR-SEP 1960.0 70 2370.0 85 1540.0 55 2803. 2786 3315 88 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 37.0 70 45.0 85 29.0 55 53. 63 104 97 UMATILLA RIVER GIBBON NR, OR APR-JUL 37.0 51 47.0 64 27.0 37 73. 86 143 89 PENDLETON, OR APR-JUL 66.0 44 82.0 55 50.0 34 149. 178 313 85 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 70.0 44 88.0 55 52.0 33 160. 0 APR-JUL 54.0 44 72.0 59 36.0 29 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 285.0 48 370.0 62 200.0 34 597. 745 720 71 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 685.0 59 950.0 82 420.0 36 1153. 1235 971 65 APR-SEP 420.0 49 685.0 79 152.0 18 865. 1038 971 65 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 470.0 89 495.0 94 440.0 83 528. 497 680 91 Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 100.0 54 112.0 61 87.0 47 184. 316 161 60 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 16.9 47 21.0 58 13.2 37 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Jul-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6480.0 102 7620.0 120 5350.0 84 6365. 5621 10630 123 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3040.0 94 3820.0 119 2260.0 70 3217. 3453 4626 111 APR-JUL 1330.0 79 2110.0 125 545.0 32 1689. 1642 4626 111 APR-SEP 1510.0 79 2290.0 119 725.0 38 1922. 1817 4626 111 CASTLE ROCK, WA APR-SEP 1900.0 72 2980.0 113 820.0 31 2639. 2380 6976 112 JAN-JUL 4420.0 94 5500.0 117 3340.0 71 4709. 5136 6976 112 LEWIS RIVER ARIEL, WA JAN-JUL 2000.0 85 2110.0 90 1880.0 80 2351. 2514 3251 99 MCKENZIE RIVER VIDA NR, OR APR-SEP 905.0 75 985.0 82 820.0 68 1201. 1142 2658 100 S. SANTIAM RIVER WATERLOO, OR APR-SEP 335.0 57 445.0 76 225.0 38 587. 540 2164 100 N. SANTIAM RIVER MEHAMA, OR APR-SEP 555.0 67 680.0 82 425.0 51 834. 754 2406 103 WILLAMETTE RIVER SALEM, OR APR-SEP 3080.0 64 3670.0 76 2490.0 52 4804. 4373 15820 96 CLACKAMAS RIVER ESTACADA, OR APR-SEP 505.0 68 590.0 79 420.0 56 748. 678 1960 104 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 114.0 75 135.0 89 93.0 62 151. 156 187 83 JAN-JUL 142.0 78 163.0 90 121.0 67 181. 195 187 83 ROGUE RIVER RAYGOLD, OR APR-SEP 665.0 75 725.0 82 605.0 68 889. 895 1765 88 JAN-JUL 1250.0 79 1320.0 83 1190.0 75 1584. 1970 1765 88 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 34.0 38 56.0 63 11.3 13 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 29.0 22 74.0 57 0.0 0 129. 196 46 30 APR-SEP 17.0 17 63.0 64 0.0 0 99. 167 46 30 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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