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Water Supply Forecasts Northwest River Forecast Center Thursday February 15, 2007 at 17:01 GMT Observed precipitation through the 12th Future precip assumed to be normal No snow included Observed runoff through January note: current month runoff based on OBSERVED + ESP to the end of FEB UPPER COLUMBIA BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 10600.0 110 12000.0 125 9210.0 96 9619. 9985 1568 87 FEB-SEP 14300.0 110 15800.0 122 12900.0 100 12960. 12300 1568 87 APR-SEP 13800.0 110 15200.0 122 12400.0 99 12500. 11850 1568 87 REVELSTOKE, BC JAN-JUL 14800.0 107 16100.0 116 13600.0 98 13880. 14190 2069 80 ARROW LAKES INFLOW JAN-JUL 22100.0 105 24500.0 117 19700.0 94 20960. 20790 3580 79 FEB-SEP 28100.0 106 30500.0 115 25700.0 97 26460. 24050 3580 79 APR-SEP 26800.0 107 29200.0 116 24400.0 97 25110. 22920 3580 79 BIRCHBANK, BC (1) JAN-JUL 41100.0 106 47400.0 122 34800.0 89 38930. 41180 6905 89 APR-SEP 46300.0 106 52600.0 121 40000.0 92 43500. 42860 6905 89 GRAND COULEE, WA (1) JAN-JUL 64100.0 102 74300.0 118 53800.0 86 62900. 66890 12520 92 APR-SEP 66200.0 103 76400.0 119 55900.0 87 63990. 63870 12520 92 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 72200.0 105 84000.0 122 60300.0 88 68910. 71930 13890 95 APR-SEP 74000.0 106 85800.0 123 62200.0 89 69540. 68910 13890 95 THE DALLES NR, OR (1) JAN-JUL 101000.0 94 118000.0 110 83200.0 78 107300. 114700 27030 91 APR-AUG 89400.0 96 107000.0 115 71800.0 77 93090. 97540 27030 91 APR-SEP 94700.0 96 112000.0 114 77100.0 78 98650. 101700 27030 91 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6410.0 102 7810.0 124 5010.0 79 6306. 6909 1288 98 APR-AUG 6390.0 102 7790.0 125 4990.0 80 6248. 6628 1288 98 APR-SEP 6790.0 102 8190.0 123 5390.0 81 6638. 6922 1288 98 LEONIA, ID (1) APR-JUL 7250.0 103 8970.0 127 5520.0 78 7041. 7768 1808 104 APR-SEP 8360.0 103 10100.0 124 6630.0 82 8125. 8545 1808 104 BONNERS FERRY, ID APR-JUL 7930.0 104 9530.0 125 6290.0 83 7619. 8380 1927 104 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 16900.0 106 19800.0 124 14200.0 89 16010. 17210 3163 100 APR-SEP 17500.0 106 20700.0 126 14500.0 88 16450. 16790 3163 100 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1880.0 104 2270.0 126 1480.0 82 1800. 2033 314 94 FEB-SEP 2390.0 104 2790.0 121 2000.0 87 2305. 2361 314 94 APR-SEP 2300.0 103 2700.0 121 1910.0 86 2227. 2291 314 94 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 635.0 90 1010.0 143 250.0 36 704. 504 273 99 MISSOULA ABV, MT APR-SEP 1440.0 90 1970.0 124 915.0 57 1595. 1344 484 105 MISSOULA BLO, MT APR-SEP 2700.0 91 3480.0 117 1910.0 64 2962. 2770 819 106 ST. REGIS, MT (1) APR-SEP 3620.0 93 5020.0 128 2220.0 57 3907. 3648 1053 102 PLAINS NR, MT (1) APR-SEP 10700.0 97 13400.0 121 7950.0 72 11060. 10840 2622 106 WHITEHORSE RAPIDS, ID (1) APR-SEP 11900.0 96 15000.0 120 8700.0 70 12460. 12060 2944 102 BLACKFOOT RIVER BONNER NR, MT APR-SEP 800.0 90 1130.0 127 475.0 53 892. 840 211 114 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1230.0 90 1540.0 113 925.0 68 1364. 1319 346 112 Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1820.0 101 2160.0 120 1480.0 82 1801. 1780 423 142 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1730.0 99 2050.0 118 1410.0 81 1740. 1737 386 135 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2110.0 95 2630.0 118 1590.0 71 2224. 2357 410 113 APR-SEP 2030.0 96 2550.0 120 1500.0 71 2124. 2175 410 113 UPPER/MIDDLE COLUMBIA BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5730.0 98 7000.0 120 4450.0 76 5825. 6002 1189 120 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6650.0 99 8230.0 123 5060.0 75 6713. 7002 1584 129 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 840.0 103 1070.0 131 610.0 75 814. 997 259 102 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 13400.0 96 16800.0 121 10000.0 72 13910. 14260 3874 111 APR-JUL 12300.0 97 15600.0 122 8900.0 70 12740. 13520 3874 111 BOX CANYON BLO, WA (1) APR-SEP 13700.0 97 16900.0 120 10400.0 74 14090. 14500 4022 111 KETTLE RIVER LAURIER NR, WA APR-SEP 1980.0 100 2390.0 121 1580.0 80 1972. 2366 122 65 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 750.0 96 980.0 126 515.0 66 778. 871 394 101 APR-JUL 710.0 96 945.0 128 480.0 65 739. 841 394 101 COEUR D'ALENE LAKE IN, ID APR-JUL 2400.0 94 3150.0 123 1650.0 65 2552. 2456 1214 92 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2820.0 103 2930.0 107 2710.0 99 2744. 2705 1248 91 ST JOE RIVER CALDER, ID APR-SEP 1150.0 95 1430.0 119 870.0 72 1205. 1263 369 103 APR-JUL 1080.0 95 1360.0 120 800.0 70 1136. 1203 369 103 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1970.0 112 2580.0 146 1370.0 78 1766. 1470 473 123 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1640.0 121 2040.0 151 1240.0 92 1350. 1079 348 158 APR-SEP 1760.0 121 2160.0 149 1360.0 94 1450. 1122 348 158 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1170.0 119 1500.0 152 845.0 86 985. 1144 193 138 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1400.0 118 1610.0 136 1190.0 100 1185. 1345 381 148 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1990.0 122 2540.0 155 1440.0 88 1635. 1669 603 120 YAKIMA AND MAINSTEM SNAKE BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 151.0 114 182.0 137 119.0 89 133. 137 97 96 CLE ELUM, WA APR-SEP 1030.0 114 1170.0 130 900.0 100 903. 906 558 109 PARKER NR, WA APR-SEP 2190.0 114 2540.0 132 1850.0 96 1918. 2346 1370 119 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 135.0 113 161.0 134 109.0 91 120. 122 90 108 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 510.0 114 575.0 128 445.0 99 448. 475 222 115 NACHES RIVER NACHES NR, WA APR-SEP 930.0 111 1090.0 130 770.0 92 837. 1086 546 150 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 154.0 115 184.0 137 124.0 93 134. 154 87 138 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 265.0 110 315.0 130 220.0 91 242. 244 153 130 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 53.0 115 71.0 154 35.0 76 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 760.0 84 940.0 104 580.0 64 904. 861 155 89 APR-JUL 685.0 84 865.0 106 505.0 62 815. 812 155 89 PALISADES RES INFLOW, ID (1) APR-JUL 2660.0 80 3370.0 101 1940.0 58 3331. 3267 849 92 HEISE NR, ID APR-JUL 2840.0 80 3640.0 102 2040.0 57 3561. 3618 1015 96 SHELLEY NR, ID (1) APR-JUL 3740.0 84 4600.0 104 2880.0 65 4428. 4634 1660 104 BLACKFOOT NR, ID (1) APR-JUL 3760.0 82 4640.0 101 2880.0 63 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2190.0 68 3380.0 104 1000.0 31 3242. 2929 1878 88 MILNER, ID APR-JUL 153.0 12 280.0 23 135.0 11 1228. 996 418 33 KING HILL, ID (1) APR-JUL 1630.0 54 2680.0 88 585.0 19 3045. 3030 2445 69 MURPHY NR, ID (1) APR-JUL 1730.0 56 2850.0 92 600.0 19 3092. 3104 2529 69 WEISER, ID (1) JAN-JUL 5860.0 60 8270.0 84 3460.0 35 9793. 12140 3632 68 APR-JUL 3390.0 59 5790.0 100 985.0 17 5765. 8160 3632 68 BROWNLEE RES INFLOW APR-JUL 3800.0 60 6100.0 97 1500.0 24 6313. 8975 3850 68 HELLS CANYON, ID (1) APR-JUL 3890.0 60 6330.0 97 1440.0 22 6493. 9324 3999 71 LOWER GRANITE RES IN, WA (1) JAN-JUL 23800.0 79 31000.0 103 16500.0 55 30020. 32200 8069 80 FEB-SEP 24300.0 80 31600.0 104 17100.0 56 30370. 31790 8069 80 APR-JUL 17600.0 82 24800.0 115 10300.0 48 21550. 24440 8069 80 UPPER SNAKE BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 300.0 76 395.0 100 205.0 52 394. 401 137 178 SALT RIVER ETNA NR, WY APR-JUL 250.0 73 390.0 114 112.0 33 342. 363 149 94 HENRYS FORK ASHTON NR, ID APR-JUL 495.0 87 620.0 109 365.0 64 571. 659 391 92 ST. ANTHONY, ID APR-JUL 635.0 87 880.0 120 385.0 52 734. 819 554 111 REXBURG NR, ID APR-JUL 1330.0 85 1720.0 110 935.0 60 1559. 1016 718 88 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 320.0 83 400.0 104 245.0 63 386. 370 163 112 TETON RIVER ST. ANTHONY NR, ID APR-JUL 320.0 79 465.0 115 181.0 45 403. 464 157 111 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 106.0 75 183.0 129 29.0 20 142. 229 48 77 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 57.0 66 93.0 108 21.0 24 86. 94 15 88 PORTNEUF RIVER TOPAZ, ID APR-SEP 70.0 74 96.0 101 45.0 47 95. 120 42 88 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 21.0 72 38.0 131 4.8 17 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 186.0 73 295.0 115 78.0 30 256. 431 57 102 MAGIC RESERVOIR INFLOW, ID APR-JUL 162.0 56 330.0 113 0.0 0 291. 591 38 89 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 57.0 66 103.0 118 11.0 13 87. 163 20 100 MIDDLE SNAKE BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 143.0 69 250.0 120 33.0 16 208. 276 33 74 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 310.0 51 510.0 83 109.0 18 613. 1050 106 49 OWYHEE RES OUTFLOW APR-JUL 23.0 11 170.0 78 5.5 3 217. 594 16 26 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 510.0 80 650.0 102 375.0 59 636. 828 148 100 BOISE NR, ID (1) APR-JUL 1080.0 76 1500.0 106 670.0 47 1414. 2060 323 89 PARMA NR, ID APR-JUL 124.0 21 490.0 83 69.0 12 593. 1102 254 62 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 405.0 75 515.0 95 295.0 54 542. 816 102 98 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 63.0 57 116.0 105 10.9 10 110. 239 27 64 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 53.0 65 78.0 96 29.0 36 81. 155 20 71 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1380.0 85 1860.0 115 890.0 55 1617. 2214 423 90 EMMETT NR, ID APR-JUL 1120.0 90 1640.0 132 590.0 47 1246. 1977 346 66 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 114.0 85 146.0 109 82.0 61 134. 180 27 102 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 435.0 88 570.0 115 300.0 61 495. 684 143 90 WEISER RIVER WEISER NR, ID (1) APR-JUL 315.0 81 525.0 134 101.0 26 391. 717 117 52 BURNT RIVER HEREFORD NR, OR MAR-JUL 32.0 63 52.0 102 11.6 23 51. 81 13 76 LOWER SNAKE AND CENTRAL OREGON BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 49.0 70 69.0 99 28.0 40 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 235.0 78 320.0 106 151.0 50 301. 394 56 87 SALMON RIVER SALMON, ID (1) APR-JUL 735.0 86 1080.0 126 395.0 46 857. 1078 391 105 WHITEBIRD, ID (1) JAN-JUL 5910.0 87 7670.0 113 4150.0 61 6805. 7274 1417 96 APR-JUL 5090.0 87 6850.0 117 3330.0 57 5851. 6441 1417 96 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 179.0 72 255.0 102 102.0 41 249. 238 49 68 APR-JUL 132.0 72 210.0 114 55.0 30 184. 202 49 68 TROY, OR (1) MAR-JUL 1370.0 87 1810.0 115 930.0 59 1578. 1573 475 81 APR-JUL 1120.0 88 1560.0 122 680.0 53 1274. 1369 475 81 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4490.0 97 6050.0 130 2930.0 63 4645. 4316 1149 101 SPALDING, ID (1) JAN-JUL 9070.0 94 11500.0 119 6670.0 69 9683. 9175 2302 102 APR-JUL 7230.0 97 9630.0 130 4830.0 65 7435. 7274 2302 102 APR-SEP 7620.0 97 10000.0 127 5220.0 67 7849. 7550 2302 102 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3240.0 91 4170.0 118 2320.0 65 3547. 3507 942 101 APR-JUL 2540.0 96 3470.0 131 1620.0 61 2644. 2676 942 101 APR-SEP 2710.0 97 3640.0 130 1790.0 64 2803. 2786 942 101 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 55.0 104 71.0 134 39.0 74 53. 63 50 104 UMATILLA RIVER GIBBON NR, OR APR-JUL 72.0 99 102.0 140 42.0 58 73. 86 70 107 PENDLETON, OR APR-JUL 135.0 91 205.0 138 65.0 44 149. 178 153 99 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 127.0 79 182.0 114 72.0 45 160. 0 APR-JUL 98.0 80 153.0 124 43.0 35 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 490.0 82 750.0 126 230.0 39 597. 745 229 89 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 895.0 78 1340.0 116 460.0 40 1153. 1235 277 66 APR-SEP 675.0 78 1110.0 128 235.0 27 865. 1038 277 66 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 520.0 98 575.0 109 470.0 89 528. 497 397 98 Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 125.0 68 200.0 109 48.0 26 184. 316 50 58 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 23.0 64 39.0 108 7.4 21 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Feb-07 Mid Month ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6940.0 109 8390.0 132 5490.0 86 6365. 5621 4611 116 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3200.0 99 4160.0 129 2240.0 70 3217. 3453 2592 115 APR-JUL 1850.0 110 2810.0 166 895.0 53 1689. 1642 2592 115 APR-SEP 2110.0 110 3070.0 160 1150.0 60 1922. 1817 2592 115 CASTLE ROCK, WA APR-SEP 2810.0 106 4170.0 158 1460.0 55 2639. 2380 4133 117 JAN-JUL 4600.0 98 5960.0 127 3250.0 69 4709. 5136 4133 117 LEWIS RIVER ARIEL, WA JAN-JUL 2230.0 95 2610.0 111 1860.0 79 2351. 2514 2041 104 MCKENZIE RIVER VIDA NR, OR APR-SEP 1150.0 96 1440.0 120 860.0 72 1201. 1142 1589 106 S. SANTIAM RIVER WATERLOO, OR APR-SEP 535.0 91 805.0 137 265.0 45 587. 540 1445 106 N. SANTIAM RIVER MEHAMA, OR APR-SEP 775.0 93 1040.0 125 505.0 61 834. 754 1541 110 WILLAMETTE RIVER SALEM, OR APR-SEP 4330.0 90 6000.0 125 2670.0 56 4804. 4373 10430 101 CLACKAMAS RIVER ESTACADA, OR APR-SEP 725.0 97 925.0 124 520.0 70 748. 678 1309 120 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 134.0 89 172.0 114 97.0 64 151. 156 91 81 JAN-JUL 156.0 86 193.0 107 119.0 66 181. 195 91 81 ROGUE RIVER RAYGOLD, OR APR-SEP 825.0 93 1050.0 118 595.0 67 889. 895 904 84 JAN-JUL 1310.0 83 1540.0 97 1080.0 68 1584. 1970 904 84 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 59.0 66 94.0 106 24.0 27 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 89.0 69 168.0 130 9.0 7 129. 196 17 63 APR-SEP 68.0 69 148.0 149 0.0 0 99. 167 17 63 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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