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Water Supply Forecasts Northwest River Forecast Center Monday July 10, 2006 at 20:21 GMT Full month of observed precipitation Future precip assumed to be normal No snow included Full complement runoff applied through UPPER COLUMBIA BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9760.0 101 11000.0 114 8490.0 88 9619. 9079 8705 114 FEB-SEP 13100.0 101 14400.0 111 11800.0 91 12960. 11800 8705 114 APR-SEP 12700.0 102 13900.0 111 11400.0 91 12500. 11360 8705 114 REVELSTOKE, BC JAN-JUL 14100.0 102 15100.0 109 13100.0 94 13880. 12860 12850 114 ARROW LAKES INFLOW JAN-JUL 21100.0 101 22900.0 109 19300.0 92 20960. 18580 19780 109 FEB-SEP 26600.0 101 28400.0 107 24800.0 94 26460. 22700 19780 109 APR-SEP 25500.0 102 27300.0 109 23600.0 94 25110. 21650 19780 109 BIRCHBANK, BC (1) JAN-JUL 41000.0 105 45100.0 116 36900.0 95 38930. 34250 40860 118 APR-SEP 45800.0 105 49900.0 115 41700.0 96 43500. 37220 40860 118 GRAND COULEE, WA (1) JAN-JUL 66900.0 106 72700.0 116 61100.0 97 62900. 54180 67690 114 APR-SEP 67900.0 106 73700.0 115 62200.0 97 63990. 52740 67690 114 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 74400.0 108 81300.0 118 67500.0 98 68910. 58540 72320 111 APR-SEP 75900.0 109 82800.0 119 69000.0 99 69540. 56310 72320 111 THE DALLES NR, OR (1) JAN-JUL 114000.0 106 122000.0 114 106000.0 99 107300. 87690 119100 110 APR-AUG 100000.0 107 109000.0 117 92100.0 99 93090. 73770 119100 110 APR-SEP 106000.0 107 114000.0 116 97700.0 99 98650. 77440 119100 110 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 7120.0 113 8170.0 130 6070.0 96 6306. 5187 7435 125 APR-AUG 7110.0 114 8160.0 131 6060.0 97 6248. 5084 7435 125 APR-SEP 7550.0 114 8600.0 130 6500.0 98 6638. 5340 7435 125 LEONIA, ID (1) APR-JUL 7990.0 113 9290.0 132 6690.0 95 7041. 5608 9404 120 APR-SEP 9220.0 113 10500.0 129 7920.0 97 8125. 6276 9404 120 BONNERS FERRY, ID APR-JUL 8670.0 114 10000.0 131 7430.0 98 7619. 5943 10130 119 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 17700.0 111 19300.0 121 16100.0 101 16010. 13420 17860 118 APR-SEP 18200.0 111 20100.0 122 16400.0 100 16450. 13430 17860 118 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1950.0 108 2300.0 128 1600.0 89 1800. 1696 1817 123 FEB-SEP 2470.0 107 2820.0 122 2120.0 92 2305. 2147 1817 123 APR-SEP 2400.0 108 2750.0 123 2050.0 92 2227. 2066 1817 123 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 705.0 100 925.0 131 485.0 69 704. 617 673 79 MISSOULA ABV, MT APR-SEP 1600.0 100 1850.0 116 1360.0 85 1595. 1353 1592 89 MISSOULA BLO, MT APR-SEP 3030.0 102 3400.0 115 2660.0 90 2962. 2767 3173 97 ST. REGIS, MT (1) APR-SEP 3960.0 101 4600.0 118 3320.0 85 3907. 3591 4203 97 PLAINS NR, MT (1) APR-SEP 11800.0 107 13200.0 119 10400.0 94 11060. 8624 12620 108 WHITEHORSE RAPIDS, ID (1) APR-SEP 13200.0 106 14800.0 119 11500.0 92 12460. 9321 13910 104 BLACKFOOT RIVER BONNER NR, MT APR-SEP 900.0 101 990.0 111 815.0 91 892. 736 917 98 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1440.0 106 1610.0 118 1260.0 92 1364. 1317 1474 101 Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1920.0 107 2100.0 117 1730.0 96 1801. 1404 2079 120 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1890.0 109 2090.0 120 1690.0 97 1740. 1418 2001 118 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2430.0 109 2850.0 128 2010.0 90 2224. 1817 2456 111 APR-SEP 2310.0 109 2730.0 129 1890.0 89 2124. 1692 2456 111 UPPER/MIDDLE COLUMBIA BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 6310.0 108 7040.0 121 5570.0 96 5825. 4553 6812 117 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 7470.0 111 8640.0 129 6290.0 94 6713. 4984 8197 120 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 1000.0 123 1180.0 145 825.0 101 814. 662 1325 121 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 15300.0 110 17200.0 124 13400.0 96 13910. 10350 17180 110 APR-JUL 14000.0 110 15900.0 125 12100.0 95 12740. 9715 17180 110 BOX CANYON BLO, WA (1) APR-SEP 15500.0 110 17500.0 124 13600.0 97 14090. 10850 17620 111 KETTLE RIVER LAURIER NR, WA APR-SEP 2340.0 119 2600.0 132 2080.0 105 1972. 1569 2422 125 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 885.0 114 980.0 126 790.0 102 778. 419 1411 110 APR-JUL 840.0 114 935.0 127 745.0 101 739. 393 1411 110 COEUR D'ALENE LAKE IN, ID APR-JUL 2480.0 97 2760.0 108 2200.0 86 2552. 1367 4168 96 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2810.0 102 2870.0 105 2740.0 100 2744. 1623 4524 102 ST JOE RIVER CALDER, ID APR-SEP 1290.0 107 1400.0 116 1180.0 98 1205. 867 1621 104 APR-JUL 1220.0 107 1330.0 117 1110.0 98 1136. 814 1621 104 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1610.0 91 2050.0 116 1170.0 66 1766. 847 1640 91 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1150.0 85 1460.0 108 850.0 63 1350. 807 1207 85 APR-SEP 1240.0 86 1540.0 106 935.0 64 1450. 837 1207 85 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1220.0 124 1410.0 143 1020.0 104 985. 674 1136 120 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1440.0 122 1650.0 139 1230.0 104 1185. 973 1370 119 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1810.0 111 2310.0 141 1300.0 80 1635. 1263 1813 99 YAKIMA AND MAINSTEM SNAKE BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 149.0 112 172.0 129 126.0 95 133. 97 211 93 CLE ELUM, WA APR-SEP 965.0 107 1100.0 122 840.0 93 903. 667 1243 92 PARKER NR, WA APR-SEP 2400.0 125 2710.0 141 2100.0 109 1918. 1554 3162 105 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 131.0 109 149.0 124 113.0 94 120. 87 185 92 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 515.0 115 575.0 128 450.0 100 448. 353 581 100 NACHES RIVER NACHES NR, WA APR-SEP 1110.0 133 1230.0 147 985.0 118 837. 714 1313 117 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 165.0 123 193.0 144 137.0 102 134. 100 201 112 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 265.0 110 295.0 122 235.0 97 242. 198 304 98 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 56.0 122 71.0 154 41.0 89 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 955.0 106 1110.0 123 800.0 88 904. 717 936 106 APR-JUL 860.0 106 1020.0 125 705.0 87 815. 639 936 106 PALISADES RES INFLOW, ID (1) APR-JUL 3470.0 104 3910.0 117 3030.0 91 3331. 2288 3863 103 HEISE NR, ID APR-JUL 3780.0 106 4260.0 120 3290.0 92 3561. 2472 4326 105 SHELLEY NR, ID (1) APR-JUL 4840.0 109 5360.0 121 4310.0 97 4428. 2899 5921 109 BLACKFOOT NR, ID (1) APR-JUL 4870.0 106 5440.0 118 4310.0 94 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 3300.0 102 4020.0 124 2580.0 80 3242. 1071 5174 93 MILNER, ID APR-JUL 1030.0 84 1600.0 130 800.0 65 1228. 43 1376 50 KING HILL, ID (1) APR-JUL 2860.0 94 3620.0 119 2110.0 69 3045. 1416 5140 75 MURPHY NR, ID (1) APR-JUL 3080.0 100 3910.0 126 2250.0 73 3092. 1399 5538 77 WEISER, ID (1) JAN-JUL 11900.0 122 13300.0 136 10600.0 108 9793. 5271 13560 113 APR-JUL 7960.0 138 9280.0 161 6630.0 115 5765. 3085 13560 113 BROWNLEE RES INFLOW APR-JUL 8710.0 138 10400.0 165 6990.0 111 6313. 3522 14940 115 HELLS CANYON, ID (1) APR-JUL 9020.0 139 10500.0 162 7560.0 116 6493. 3743 15390 117 LOWER GRANITE RES IN, WA (1) JAN-JUL 32900.0 110 36100.0 120 29600.0 99 30020. 23810 34230 105 FEB-SEP 33100.0 109 36400.0 120 29900.0 98 30370. 23940 34230 105 APR-JUL 25100.0 116 28400.0 132 21800.0 101 21550. 16730 34230 105 UPPER SNAKE BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 425.0 108 475.0 121 375.0 95 394. 292 500 136 SALT RIVER ETNA NR, WY APR-JUL 370.0 108 430.0 126 310.0 91 342. 176 495 105 HENRYS FORK ASHTON NR, ID APR-JUL 635.0 111 705.0 123 560.0 98 571. 378 1000 102 ST. ANTHONY, ID APR-JUL 820.0 112 930.0 127 705.0 96 734. 382 1312 107 REXBURG NR, ID APR-JUL 1650.0 106 1830.0 117 1470.0 94 1559. 394 1682 76 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 405.0 105 460.0 119 345.0 89 386. 187 458 93 TETON RIVER ST. ANTHONY NR, ID APR-JUL 470.0 117 545.0 135 395.0 98 403. 261 553 114 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 220.0 155 260.0 183 181.0 127 142. 74 203 113 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 96.0 112 120.0 140 72.0 84 86. 13 PORTNEUF RIVER TOPAZ, ID APR-SEP 125.0 132 137.0 144 113.0 119 95. 39 138 111 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 43.0 148 49.0 169 38.0 131 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 425.0 166 500.0 195 350.0 137 256. 229 445 159 MAGIC RESERVOIR INFLOW, ID APR-JUL 585.0 201 635.0 218 535.0 184 291. 147 621 182 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 160.0 184 177.0 203 143.0 164 87. 56 179 167 MIDDLE SNAKE BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 280.0 135 325.0 156 235.0 113 208. 112 333 126 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 1030.0 168 1100.0 179 965.0 157 613. 158 1374 171 OWYHEE RES OUTFLOW APR-JUL 590.0 272 660.0 304 525.0 242 217. 30 862 228 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 830.0 131 930.0 146 730.0 115 636. 586 993 129 BOISE NR, ID (1) APR-JUL 2060.0 146 2280.0 161 1840.0 130 1414. 1129 2499 138 PARMA NR, ID APR-JUL 1030.0 174 1220.0 206 830.0 140 593. 195 1778 159 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 790.0 146 895.0 165 690.0 127 542. 393 896 141 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 240.0 218 245.0 223 235.0 214 110. 60 305 204 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 151.0 186 155.0 191 147.0 181 81. 46 185 177 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 2230.0 138 2550.0 158 1910.0 118 1617. 1490 2740 131 EMMETT NR, ID APR-JUL 1900.0 152 2240.0 180 1550.0 124 1246. 1177 2586 141 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 182.0 136 205.0 153 158.0 118 134. 133 196 129 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 690.0 139 780.0 158 600.0 121 495. 530 901 135 WEISER RIVER WEISER NR, ID (1) APR-JUL 705.0 180 810.0 207 595.0 152 391. 369 1384 183 BURNT RIVER HEREFORD NR, OR MAR-JUL 80.0 157 84.0 165 77.0 151 51. 28 94 140 LOWER SNAKE AND CENTRAL OREGON BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 93.0 133 102.0 146 84.0 120 70. 45 IMNAHA RIVER IMNAHA, OR MAR-JUL 395.0 131 440.0 146 355.0 118 301. 261 418 128 SALMON RIVER SALMON, ID (1) APR-JUL 1080.0 126 1360.0 159 805.0 94 857. 676 1290 114 WHITEBIRD, ID (1) JAN-JUL 7540.0 111 8470.0 124 6610.0 97 6805. 5978 7462 109 APR-JUL 6690.0 114 7620.0 130 5760.0 98 5851. 5081 7462 109 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 240.0 96 260.0 104 220.0 88 249. 191 285 91 APR-JUL 205.0 111 225.0 122 185.0 101 184. 130 285 91 TROY, OR (1) MAR-JUL 1620.0 103 2010.0 127 1230.0 78 1578. 1410 1929 95 APR-JUL 1410.0 111 1800.0 141 1020.0 80 1274. 1032 1929 95 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4560.0 98 5570.0 120 3550.0 76 4645. 4382 5347 92 SPALDING, ID (1) JAN-JUL 9510.0 98 10900.0 113 8100.0 84 9683. 9879 9575 95 APR-JUL 7610.0 102 9030.0 121 6200.0 83 7435. 6870 9575 95 APR-SEP 8020.0 102 9430.0 120 6600.0 84 7849. 7159 9575 95 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3600.0 101 4020.0 113 3190.0 90 3547. 3564 3742 99 APR-JUL 2770.0 105 3190.0 121 2360.0 89 2644. 2300 3742 99 APR-SEP 2940.0 105 3360.0 120 2520.0 90 2803. 2399 3742 99 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 63.0 119 71.0 134 55.0 104 53. 48 114 107 UMATILLA RIVER GIBBON NR, OR APR-JUL 86.0 118 96.0 132 77.0 105 73. 66 157 97 PENDLETON, OR APR-JUL 174.0 117 190.0 128 158.0 106 149. 111 360 97 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 192.0 120 210.0 131 174.0 109 160. 0 APR-JUL 148.0 120 166.0 135 130.0 106 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 750.0 126 835.0 140 665.0 111 597. 471 1197 117 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1270.0 110 1530.0 133 1000.0 87 1153. 842 1737 115 APR-SEP 1070.0 124 1330.0 154 800.0 92 865. 636 1737 115 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 530.0 100 555.0 105 500.0 95 528. 0 559 74 Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 320.0 174 330.0 179 305.0 166 184. 68 450 167 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 63.0 175 67.0 186 59.0 164 36. 17 WESTSIDE AND SOUTHERN OREGON BASINS Jul-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6360.0 100 7490.0 118 5220.0 82 6365. 4616 8827 102 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3490.0 108 4270.0 133 2710.0 84 3217. 3163 4228 102 APR-JUL 1700.0 101 2480.0 147 915.0 54 1689. 1284 4228 102 APR-SEP 1930.0 100 2710.0 141 1150.0 60 1922. 1464 4228 102 CASTLE ROCK, WA APR-SEP 2570.0 97 3650.0 138 1490.0 56 2639. 1930 6354 102 JAN-JUL 5160.0 110 6240.0 133 4080.0 87 4709. 4567 6354 102 LEWIS RIVER ARIEL, WA JAN-JUL 2520.0 107 2640.0 112 2410.0 103 2351. 2532 3242 99 MCKENZIE RIVER VIDA NR, OR APR-SEP 1140.0 95 1220.0 102 1060.0 88 1201. 968 2787 104 S. SANTIAM RIVER WATERLOO, OR APR-SEP 555.0 95 665.0 113 445.0 76 587. 509 2320 107 N. SANTIAM RIVER MEHAMA, OR APR-SEP 775.0 93 905.0 109 650.0 78 834. 727 2480 106 WILLAMETTE RIVER SALEM, OR APR-SEP 4350.0 91 4940.0 103 3760.0 78 4804. 4281 18210 110 CLACKAMAS RIVER ESTACADA, OR APR-SEP 685.0 92 775.0 104 600.0 80 748. 0 1936 102 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 164.0 109 186.0 123 143.0 95 151. 129 232 104 JAN-JUL 196.0 108 215.0 119 175.0 97 181. 159 232 104 ROGUE RIVER RAYGOLD, OR APR-SEP 915.0 103 980.0 110 855.0 96 889. 786 2551 128 JAN-JUL 1950.0 123 2010.0 127 1880.0 119 1584. 1369 2551 128 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 135.0 152 157.0 176 112.0 126 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 198.0 153 245.0 190 152.0 118 129. 31 235 154 APR-SEP 175.0 177 220.0 222 130.0 131 99. 27 235 154 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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