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Water Supply Forecasts Northwest River Forecast Center Tuesday February 07, 2006 at 20:22 GMT Full month of observed precipitation Future precip is 90% of normal for the first 2 weeks of February Future precip is 100% of normal for the rest of the period Snow included in this run Full complement runoff applied through the end of January UPPER COLUMBIA BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 8300.0 86 10000.0 104 6580.0 68 9619. 9079 1974 125 FEB-SEP 11100.0 86 12800.0 99 9390.0 72 12960. 11800 1974 125 APR-SEP 10700.0 86 12400.0 99 8990.0 72 12500. 11360 1974 125 REVELSTOKE, BC JAN-JUL 12200.0 88 13700.0 99 10800.0 78 13880. 12860 2944 129 ARROW LAKES INFLOW JAN-JUL 18600.0 89 21300.0 102 15900.0 76 20960. 18580 4602 117 FEB-SEP 23300.0 88 26000.0 98 20600.0 78 26460. 22700 4602 117 APR-SEP 22100.0 88 24800.0 99 19400.0 77 25110. 21650 4602 117 BIRCHBANK, BC (1) JAN-JUL 37500.0 96 44800.0 115 30300.0 78 38930. 34250 8894 136 APR-SEP 41400.0 95 48600.0 112 34100.0 78 43500. 37220 8894 136 GRAND COULEE, WA (1) JAN-JUL 62700.0 100 75200.0 120 50200.0 80 62900. 54180 13830 127 APR-SEP 62200.0 97 74700.0 117 49800.0 78 63990. 52740 13830 127 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 69800.0 101 84100.0 122 55400.0 80 68910. 58540 13710 116 APR-SEP 69300.0 100 83600.0 120 55000.0 79 69540. 56310 13710 116 THE DALLES NR, OR (1) JAN-JUL 111000.0 103 134000.0 125 88900.0 83 107300. 87690 25070 109 APR-AUG 94300.0 101 117000.0 126 71700.0 77 93090. 73770 25070 109 APR-SEP 99900.0 101 123000.0 125 77300.0 78 98650. 77440 25070 109 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6380.0 101 7910.0 125 4850.0 77 6306. 5187 1687 151 APR-AUG 6250.0 100 7780.0 125 4720.0 76 6248. 5084 1687 151 APR-SEP 6640.0 100 8170.0 123 5110.0 77 6638. 5340 1687 151 LEONIA, ID (1) APR-JUL 7040.0 100 8940.0 127 5140.0 73 7041. 5608 1944 135 APR-SEP 8120.0 100 10000.0 123 6230.0 77 8125. 6276 1944 135 BONNERS FERRY, ID APR-JUL 7650.0 100 9340.0 123 5960.0 78 7619. 5943 2036 133 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 17000.0 106 20000.0 125 13900.0 87 16010. 13420 3639 139 APR-SEP 17200.0 105 20400.0 124 13900.0 84 16450. 13430 3639 139 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1710.0 95 2130.0 118 1290.0 72 1800. 1696 389 130 FEB-SEP 2160.0 94 2580.0 112 1740.0 75 2305. 2147 389 130 APR-SEP 2090.0 94 2510.0 113 1670.0 75 2227. 2066 389 130 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 770.0 109 1160.0 165 380.0 54 704. 617 183 82 MISSOULA ABV, MT APR-SEP 1670.0 105 2210.0 139 1130.0 71 1595. 1353 328 88 MISSOULA BLO, MT APR-SEP 3250.0 110 4080.0 138 2430.0 82 2962. 2767 527 85 ST. REGIS, MT (1) APR-SEP 4300.0 110 5950.0 152 2650.0 68 3907. 3591 716 87 PLAINS NR, MT (1) APR-SEP 11700.0 106 15000.0 136 8420.0 76 11060. 8624 2339 117 WHITEHORSE RAPIDS, ID (1) APR-SEP 13100.0 105 16900.0 136 9310.0 75 12460. 9321 2398 104 BLACKFOOT RIVER BONNER NR, MT APR-SEP 900.0 101 1260.0 141 535.0 60 892. 736 144 96 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1590.0 117 1950.0 143 1240.0 91 1364. 1317 211 84 Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1900.0 105 2280.0 127 1510.0 84 1801. 1404 446 175 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1770.0 102 2120.0 122 1420.0 82 1740. 1418 386 159 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2350.0 106 2940.0 132 1750.0 79 2224. 1817 355 119 APR-SEP 2190.0 103 2790.0 131 1600.0 75 2124. 1692 355 119 UPPER/MIDDLE COLUMBIA BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 6020.0 103 7440.0 128 4600.0 79 5825. 4553 1203 145 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 7030.0 105 8860.0 132 5200.0 77 6713. 4984 1527 154 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 870.0 107 1160.0 143 580.0 71 814. 662 232 118 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 14700.0 106 18800.0 135 10500.0 75 13910. 10350 3183 115 APR-JUL 13500.0 106 17700.0 139 9320.0 73 12740. 9715 3183 115 BOX CANYON BLO, WA (1) APR-SEP 14900.0 106 18700.0 133 11200.0 79 14090. 10850 3328 117 KETTLE RIVER LAURIER NR, WA APR-SEP 2040.0 103 2520.0 128 1570.0 80 1972. 1569 136 88 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 735.0 94 990.0 127 485.0 62 778. 419 360 135 APR-JUL 700.0 95 950.0 129 445.0 60 739. 393 360 135 COEUR D'ALENE LAKE IN, ID APR-JUL 2460.0 96 3240.0 127 1690.0 66 2552. 1367 1114 127 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2560.0 93 2720.0 99 2410.0 88 2744. 1623 1188 128 ST JOE RIVER CALDER, ID APR-SEP 1160.0 96 1450.0 120 860.0 71 1205. 867 297 117 APR-JUL 1100.0 97 1400.0 123 805.0 71 1136. 814 297 117 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1670.0 95 2470.0 140 865.0 49 1766. 847 260 85 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1280.0 95 1860.0 138 690.0 51 1350. 807 165 91 APR-SEP 1370.0 94 1950.0 134 780.0 54 1450. 837 165 91 METHOW RIVER PATEROS NR, WA (1) APR-SEP 955.0 97 1370.0 139 545.0 55 985. 674 98 84 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1200.0 101 1430.0 121 965.0 81 1185. 973 207 100 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1690.0 103 2260.0 138 1110.0 68 1635. 1263 313 78 YAKIMA AND MAINSTEM SNAKE BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 146.0 110 180.0 135 111.0 83 133. 97 70 84 CLE ELUM, WA APR-SEP 990.0 110 1160.0 128 815.0 90 903. 667 347 86 PARKER NR, WA APR-SEP 2300.0 120 2710.0 141 1880.0 98 1918. 1554 777 89 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 130.0 108 159.0 133 102.0 85 120. 87 56 84 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 500.0 112 590.0 132 410.0 92 448. 353 134 86 NACHES RIVER NACHES NR, WA APR-SEP 965.0 115 1130.0 135 795.0 95 837. 714 265 97 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 158.0 118 191.0 143 124.0 93 134. 100 52 104 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 275.0 114 330.0 136 220.0 91 242. 198 81 91 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 58.0 126 77.0 167 39.0 85 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 1080.0 119 1270.0 140 890.0 98 904. 717 145 101 APR-JUL 975.0 120 1160.0 142 785.0 96 815. 639 145 101 PALISADES RES INFLOW, ID (1) APR-JUL 3910.0 117 4780.0 144 3030.0 91 3331. 2288 718 93 HEISE NR, ID APR-JUL 4170.0 117 5140.0 144 3190.0 90 3561. 2472 850 96 SHELLEY NR, ID (1) APR-JUL 5540.0 125 6530.0 147 4550.0 103 4428. 2899 1299 97 BLACKFOOT NR, ID (1) APR-JUL 5580.0 121 6590.0 143 4570.0 99 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 4070.0 126 5460.0 168 2680.0 83 3242. 1071 1491 85 MILNER, ID APR-JUL 1070.0 87 2190.0 178 240.0 20 1228. 43 102 10 KING HILL, ID (1) APR-JUL 2820.0 93 4000.0 131 1640.0 54 3045. 1416 1624 56 MURPHY NR, ID (1) APR-JUL 3020.0 98 4260.0 138 1770.0 57 3092. 1399 1771 60 WEISER, ID (1) JAN-JUL 11700.0 119 14600.0 149 8880.0 91 9793. 5271 3213 78 APR-JUL 7120.0 124 9970.0 173 4270.0 74 5765. 3085 3213 78 BROWNLEE RES INFLOW APR-JUL 8010.0 127 10800.0 171 5250.0 83 6313. 3522 3558 82 HELLS CANYON, ID (1) APR-JUL 8260.0 127 11300.0 174 5210.0 80 6493. 3743 3625 83 LOWER GRANITE RES IN, WA (1) JAN-JUL 34500.0 115 43800.0 146 25200.0 84 30020. 23810 6445 85 FEB-SEP 34900.0 115 44300.0 146 25600.0 84 30370. 23940 6445 85 APR-JUL 24800.0 115 34100.0 158 15500.0 72 21550. 16730 6445 85 UPPER SNAKE BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 480.0 122 590.0 150 370.0 94 394. 292 92 141 SALT RIVER ETNA NR, WY APR-JUL 410.0 120 555.0 162 260.0 76 342. 176 123 92 HENRYS FORK ASHTON NR, ID APR-JUL 630.0 110 765.0 134 490.0 86 571. 378 304 87 ST. ANTHONY, ID APR-JUL 850.0 116 1110.0 151 590.0 80 734. 382 392 97 REXBURG NR, ID APR-JUL 1750.0 112 2160.0 139 1340.0 86 1559. 394 495 73 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 425.0 110 505.0 131 345.0 89 386. 187 66 54 TETON RIVER ST. ANTHONY NR, ID APR-JUL 455.0 113 605.0 150 305.0 76 403. 261 107 91 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 177.0 125 255.0 180 97.0 68 142. 74 0 0 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 100.0 116 143.0 166 57.0 66 86. 13 PORTNEUF RIVER TOPAZ, ID APR-SEP 106.0 112 134.0 141 79.0 83 95. 39 30 79 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 38.0 131 58.0 200 18.5 64 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 345.0 135 475.0 186 215.0 84 256. 229 37 79 MAGIC RESERVOIR INFLOW, ID APR-JUL 430.0 148 640.0 220 225.0 77 291. 147 39 121 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 124.0 143 171.0 197 76.0 87 87. 56 16 99 MIDDLE SNAKE BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 275.0 132 390.0 188 160.0 77 208. 112 37 116 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 820.0 134 1270.0 207 365.0 60 613. 158 288 226 OWYHEE RES OUTFLOW APR-JUL 430.0 198 880.0 406 24.0 11 217. 30 46 170 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 865.0 136 1030.0 162 700.0 110 636. 586 136 119 BOISE NR, ID (1) APR-JUL 2020.0 143 2510.0 178 1530.0 108 1414. 1129 294 110 PARMA NR, ID APR-JUL 860.0 145 1300.0 219 420.0 71 593. 195 214 73 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 780.0 144 895.0 165 660.0 122 542. 393 75 92 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 186.0 169 250.0 227 120.0 109 110. 60 52 204 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 127.0 157 162.0 200 92.0 114 81. 46 24 126 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 2180.0 135 2740.0 169 1620.0 100 1617. 1490 401 110 EMMETT NR, ID APR-JUL 1860.0 149 2460.0 197 1260.0 101 1246. 1177 352 91 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 177.0 132 215.0 160 138.0 103 134. 133 19 88 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 675.0 136 840.0 170 510.0 103 495. 530 159 125 WEISER RIVER WEISER NR, ID (1) APR-JUL 535.0 137 770.0 197 300.0 77 391. 369 303 233 BURNT RIVER HEREFORD NR, OR MAR-JUL 76.0 149 100.0 196 52.0 102 51. 28 10 83 LOWER SNAKE AND CENTRAL OREGON BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 94.0 134 115.0 164 73.0 104 70. 45 IMNAHA RIVER IMNAHA, OR MAR-JUL 330.0 110 420.0 140 240.0 80 301. 261 46 93 SALMON RIVER SALMON, ID (1) APR-JUL 1120.0 131 1490.0 174 740.0 86 857. 676 241 78 WHITEBIRD, ID (1) JAN-JUL 8250.0 121 10300.0 151 6200.0 91 6805. 5978 1058 88 APR-JUL 7130.0 122 9190.0 157 5070.0 87 5851. 5081 1058 88 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 265.0 106 345.0 139 183.0 73 249. 191 36 82 APR-JUL 196.0 107 275.0 149 116.0 63 184. 130 36 82 TROY, OR (1) MAR-JUL 1850.0 117 2420.0 153 1280.0 81 1578. 1410 329 84 APR-JUL 1490.0 117 2060.0 162 925.0 73 1274. 1032 329 84 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4990.0 107 6750.0 145 3230.0 70 4645. 4382 732 89 SPALDING, ID (1) JAN-JUL 10600.0 109 13600.0 140 7670.0 79 9683. 9879 1499 95 APR-JUL 7990.0 107 11000.0 148 5010.0 67 7435. 6870 1499 95 APR-SEP 8450.0 108 11400.0 145 5470.0 70 7849. 7159 1499 95 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3790.0 107 4920.0 139 2650.0 75 3547. 3564 700 107 APR-JUL 2730.0 103 3870.0 146 1590.0 60 2644. 2300 700 107 APR-SEP 2870.0 102 4010.0 143 1730.0 62 2803. 2399 700 107 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 60.0 113 78.0 147 42.0 79 53. 48 31 84 UMATILLA RIVER GIBBON NR, OR APR-JUL 86.0 118 117.0 160 54.0 74 73. 66 43 97 PENDLETON, OR APR-JUL 173.0 116 245.0 164 102.0 68 149. 111 90 90 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 210.0 131 265.0 166 151.0 94 160. 0 APR-JUL 161.0 131 220.0 179 104.0 85 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 750.0 126 1020.0 171 480.0 80 597. 471 225 145 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1560.0 135 2050.0 178 1070.0 93 1153. 842 404 153 APR-SEP 1170.0 135 1660.0 192 680.0 79 865. 636 404 153 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 625.0 118 695.0 132 555.0 105 528. 0 186 56 Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 305.0 166 400.0 217 215.0 117 184. 68 105 212 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 55.0 153 71.0 197 39.0 108 36. 17 WESTSIDE AND SOUTHERN OREGON BASINS Feb-06 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6620.0 104 8240.0 129 4990.0 78 6365. 4616 3653 112 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 4020.0 125 5120.0 159 2920.0 91 3217. 3163 2017 114 APR-JUL 1820.0 108 2920.0 173 720.0 43 1689. 1284 2017 114 APR-SEP 2070.0 108 3170.0 165 970.0 50 1922. 1464 2017 114 CASTLE ROCK, WA APR-SEP 2790.0 106 4330.0 164 1240.0 47 2639. 1930 3197 116 JAN-JUL 5990.0 127 7540.0 160 4450.0 94 4709. 4567 3197 116 LEWIS RIVER ARIEL, WA JAN-JUL 3150.0 134 3540.0 151 2750.0 117 2351. 2532 1762 115 MCKENZIE RIVER VIDA NR, OR APR-SEP 1400.0 117 1690.0 141 1110.0 92 1201. 968 1439 124 S. SANTIAM RIVER WATERLOO, OR APR-SEP 630.0 107 900.0 153 360.0 61 587. 509 1395 132 N. SANTIAM RIVER MEHAMA, OR APR-SEP 875.0 105 1160.0 139 590.0 71 834. 727 1422 131 WILLAMETTE RIVER SALEM, OR APR-SEP 5300.0 110 6980.0 145 3620.0 75 4804. 4281 10810 138 CLACKAMAS RIVER ESTACADA, OR APR-SEP 820.0 110 1030.0 138 610.0 82 748. 0 1041 124 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 183.0 121 230.0 152 138.0 91 151. 129 88 97 JAN-JUL 215.0 119 260.0 144 172.0 95 181. 159 88 97 ROGUE RIVER RAYGOLD, OR APR-SEP 1120.0 126 1420.0 160 825.0 93 889. 786 1311 161 JAN-JUL 2240.0 141 2540.0 160 1940.0 122 1584. 1369 1311 161 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 130.0 146 170.0 191 90.0 101 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 200.0 155 280.0 217 120.0 93 129. 31 29 192 APR-SEP 154.0 156 235.0 237 74.0 75 99. 27 29 192 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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