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Water Supply Forecasts Northwest River Forecast Center Wednesday March 07, 2007 at 22:32 GMT Full month of observed precipitation Future precip assumed to be normal Snow included in this run Full complement runoff applied through FEB UPPER COLUMBIA BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9970.0 104 11400.0 119 8560.0 89 9619. 9985 1508 84 FEB-SEP 13400.0 103 14900.0 115 12000.0 93 12960. 12300 1508 84 APR-SEP 13000.0 104 14400.0 115 11500.0 92 12500. 11850 1508 84 REVELSTOKE, BC JAN-JUL 14100.0 102 15400.0 111 12900.0 93 13880. 14190 1999 77 ARROW LAKES INFLOW JAN-JUL 21100.0 101 23500.0 112 18700.0 89 20960. 20790 3458 76 FEB-SEP 26800.0 101 29200.0 110 24400.0 92 26460. 24050 3458 76 APR-SEP 25600.0 102 28000.0 112 23200.0 92 25110. 22920 3458 76 BIRCHBANK, BC (1) JAN-JUL 39800.0 102 46100.0 118 33500.0 86 38930. 41180 6839 88 APR-SEP 44800.0 103 51100.0 117 38500.0 89 43500. 42860 6839 88 GRAND COULEE, WA (1) JAN-JUL 63000.0 100 73200.0 116 52700.0 84 62900. 66890 12540 93 APR-SEP 64900.0 101 75200.0 118 54700.0 85 63990. 63870 12540 93 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 70700.0 103 82500.0 120 58900.0 85 68910. 71930 13940 95 APR-SEP 72300.0 104 84200.0 121 60500.0 87 69540. 68910 13940 95 THE DALLES NR, OR (1) JAN-JUL 100000.0 93 118000.0 110 82300.0 77 107300. 114700 27230 91 APR-AUG 88300.0 95 106000.0 114 70700.0 76 93090. 97540 27230 91 APR-SEP 93600.0 95 111000.0 113 75900.0 77 98650. 101700 27230 91 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6320.0 100 7720.0 122 4920.0 78 6306. 6909 1268 96 APR-AUG 6310.0 101 7710.0 123 4910.0 79 6248. 6628 1268 96 APR-SEP 6700.0 101 8100.0 122 5300.0 80 6638. 6922 1268 96 LEONIA, ID (1) APR-JUL 7090.0 101 8810.0 125 5360.0 76 7041. 7768 1800 103 APR-SEP 8180.0 101 9910.0 122 6460.0 80 8125. 8545 1800 103 BONNERS FERRY, ID APR-JUL 7700.0 101 9280.0 122 6100.0 80 7619. 8380 1923 103 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 16700.0 104 19300.0 121 14100.0 88 16010. 17210 3154 100 APR-SEP 17300.0 105 20200.0 123 14400.0 88 16450. 16790 3154 100 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1860.0 103 2260.0 126 1470.0 82 1800. 2033 308 92 FEB-SEP 2370.0 103 2770.0 120 1980.0 86 2305. 2361 308 92 APR-SEP 2290.0 103 2690.0 121 1900.0 85 2227. 2291 308 92 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 695.0 99 1070.0 152 310.0 44 704. 504 255 93 MISSOULA ABV, MT APR-SEP 1470.0 92 1990.0 125 945.0 59 1595. 1344 463 101 MISSOULA BLO, MT APR-SEP 2700.0 91 3490.0 118 1910.0 64 2962. 2770 825 107 ST. REGIS, MT (1) APR-SEP 3620.0 93 5020.0 128 2220.0 57 3907. 3648 1061 103 PLAINS NR, MT (1) APR-SEP 10500.0 95 13300.0 120 7780.0 70 11060. 10840 2600 105 WHITEHORSE RAPIDS, ID (1) APR-SEP 11800.0 95 15000.0 120 8670.0 70 12460. 12060 2879 99 BLACKFOOT RIVER BONNER NR, MT APR-SEP 760.0 85 1090.0 122 435.0 49 892. 840 209 113 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1230.0 90 1540.0 113 925.0 68 1364. 1319 347 112 Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1770.0 98 2110.0 117 1430.0 79 1801. 1780 427 143 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1660.0 95 1980.0 114 1340.0 77 1740. 1737 386 135 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2030.0 91 2560.0 115 1510.0 68 2224. 2357 409 112 APR-SEP 1950.0 92 2480.0 117 1430.0 67 2124. 2175 409 112 UPPER/MIDDLE COLUMBIA BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5530.0 95 6810.0 117 4260.0 73 5825. 6002 1188 120 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6540.0 97 8130.0 121 4960.0 74 6713. 7002 1576 129 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 810.0 100 1040.0 128 580.0 71 814. 997 261 102 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 13300.0 96 16600.0 119 9890.0 71 13910. 14260 3836 110 APR-JUL 12200.0 96 15500.0 122 8810.0 69 12740. 13520 3836 110 BOX CANYON BLO, WA (1) APR-SEP 13500.0 96 16800.0 119 10200.0 72 14090. 14500 4000 110 KETTLE RIVER LAURIER NR, WA APR-SEP 1920.0 97 2330.0 118 1520.0 77 1972. 2366 114 61 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 755.0 97 985.0 127 520.0 67 778. 871 434 111 APR-JUL 715.0 97 950.0 129 485.0 66 739. 841 434 111 COEUR D'ALENE LAKE IN, ID APR-JUL 2440.0 96 3190.0 125 1690.0 66 2552. 2456 1322 100 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2810.0 102 2920.0 106 2700.0 98 2744. 2705 1398 102 ST JOE RIVER CALDER, ID APR-SEP 1150.0 95 1430.0 119 870.0 72 1205. 1263 406 114 APR-JUL 1080.0 95 1360.0 120 805.0 71 1136. 1203 406 114 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1960.0 111 2560.0 145 1350.0 76 1766. 1470 454 118 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1580.0 117 1980.0 147 1180.0 87 1350. 1079 354 161 APR-SEP 1700.0 117 2100.0 145 1300.0 90 1450. 1122 354 161 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1070.0 109 1390.0 141 740.0 75 985. 1144 194 138 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1340.0 113 1550.0 131 1130.0 95 1185. 1345 387 151 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1840.0 113 2390.0 146 1290.0 79 1635. 1669 618 123 YAKIMA AND MAINSTEM SNAKE BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 150.0 113 181.0 136 119.0 89 133. 137 102 101 CLE ELUM, WA APR-SEP 1020.0 113 1160.0 128 890.0 99 903. 906 593 116 PARKER NR, WA APR-SEP 2130.0 111 2470.0 129 1780.0 93 1918. 2346 1422 123 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 135.0 113 161.0 134 109.0 91 120. 122 96 115 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 510.0 114 575.0 128 445.0 99 448. 475 233 121 NACHES RIVER NACHES NR, WA APR-SEP 910.0 109 1070.0 128 755.0 90 837. 1086 565 156 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 150.0 112 180.0 134 120.0 90 134. 154 88 140 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 265.0 110 315.0 130 220.0 91 242. 244 157 133 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 51.0 111 69.0 150 33.0 72 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 790.0 87 965.0 107 610.0 67 904. 861 156 90 APR-JUL 710.0 87 885.0 109 530.0 65 815. 812 156 90 PALISADES RES INFLOW, ID (1) APR-JUL 2720.0 82 3430.0 103 2010.0 60 3331. 3267 846 92 HEISE NR, ID APR-JUL 2890.0 81 3690.0 104 2090.0 59 3561. 3618 1011 96 SHELLEY NR, ID (1) APR-JUL 3850.0 87 4710.0 106 2990.0 68 4428. 4634 1658 104 BLACKFOOT NR, ID (1) APR-JUL 3880.0 84 4760.0 103 3000.0 65 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 2360.0 73 3550.0 110 1170.0 36 3242. 2929 1875 87 MILNER, ID APR-JUL 169.0 14 415.0 34 135.0 11 1228. 996 447 35 KING HILL, ID (1) APR-JUL 1660.0 55 2710.0 89 610.0 20 3045. 3030 2387 67 MURPHY NR, ID (1) APR-JUL 1760.0 57 2890.0 93 635.0 21 3092. 3104 2495 68 WEISER, ID (1) JAN-JUL 5820.0 59 8220.0 84 3410.0 35 9793. 12140 3596 68 APR-JUL 3380.0 59 5780.0 100 970.0 17 5765. 8160 3596 68 BROWNLEE RES INFLOW APR-JUL 3760.0 60 6060.0 96 1460.0 23 6313. 8975 3827 68 HELLS CANYON, ID (1) APR-JUL 3840.0 59 6280.0 97 1390.0 21 6493. 9324 3931 69 LOWER GRANITE RES IN, WA (1) JAN-JUL 23500.0 78 30700.0 102 16200.0 54 30020. 32200 8099 81 FEB-SEP 24000.0 79 31300.0 103 16800.0 55 30370. 31790 8099 81 APR-JUL 17300.0 80 24600.0 114 10000.0 46 21550. 24440 8099 81 UPPER SNAKE BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 310.0 79 405.0 103 215.0 55 394. 401 83 108 SALT RIVER ETNA NR, WY APR-JUL 245.0 72 380.0 111 106.0 31 342. 363 149 94 HENRYS FORK ASHTON NR, ID APR-JUL 510.0 89 635.0 111 380.0 67 571. 659 417 98 ST. ANTHONY, ID APR-JUL 655.0 89 900.0 123 400.0 54 734. 819 530 106 REXBURG NR, ID APR-JUL 1390.0 89 1780.0 114 990.0 64 1559. 1016 692 85 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 345.0 89 425.0 110 270.0 70 386. 370 118 81 TETON RIVER ST. ANTHONY NR, ID APR-JUL 330.0 82 470.0 117 188.0 47 403. 464 155 110 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 109.0 77 186.0 131 32.0 23 142. 229 54 87 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 55.0 64 91.0 106 19.2 22 86. 94 15 88 PORTNEUF RIVER TOPAZ, ID APR-SEP 70.0 74 96.0 101 45.0 47 95. 120 40 84 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 23.0 79 39.0 134 6.1 21 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 180.0 70 290.0 113 72.0 28 256. 431 56 100 MAGIC RESERVOIR INFLOW, ID APR-JUL 166.0 57 330.0 113 0.0 0 291. 591 42 99 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 56.0 64 102.0 117 10.4 12 87. 163 20 100 MIDDLE SNAKE BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 154.0 74 265.0 127 44.0 21 208. 276 34 76 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 355.0 58 555.0 91 153.0 25 613. 1050 152 71 OWYHEE RES OUTFLOW APR-JUL 28.0 13 215.0 99 7.7 4 217. 594 17 27 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 510.0 80 645.0 101 370.0 58 636. 828 143 97 BOISE NR, ID (1) APR-JUL 1100.0 78 1510.0 107 685.0 48 1414. 2060 323 89 PARMA NR, ID APR-JUL 134.0 23 500.0 84 71.0 12 593. 1102 252 61 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 415.0 77 525.0 97 305.0 56 542. 816 103 99 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 66.0 60 118.0 107 13.7 12 110. 239 30 72 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 54.0 67 79.0 98 30.0 37 81. 155 22 78 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1360.0 84 1840.0 114 870.0 54 1617. 2214 427 91 EMMETT NR, ID APR-JUL 1060.0 85 1580.0 127 530.0 43 1246. 1977 335 64 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 113.0 84 145.0 108 81.0 60 134. 180 27 102 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 415.0 84 550.0 111 280.0 57 495. 684 147 92 WEISER RIVER WEISER NR, ID (1) APR-JUL 320.0 82 530.0 136 106.0 27 391. 717 129 58 BURNT RIVER HEREFORD NR, OR MAR-JUL 32.0 63 52.0 102 11.5 23 51. 81 13 76 LOWER SNAKE AND CENTRAL OREGON BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 46.0 66 67.0 96 26.0 37 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 230.0 76 315.0 105 147.0 49 301. 394 56 87 SALMON RIVER SALMON, ID (1) APR-JUL 755.0 88 1090.0 127 415.0 48 857. 1078 387 104 WHITEBIRD, ID (1) JAN-JUL 5770.0 85 7530.0 111 4010.0 59 6805. 7274 1414 96 APR-JUL 4960.0 85 6720.0 115 3200.0 55 5851. 6441 1414 96 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 171.0 69 250.0 100 94.0 38 249. 238 62 86 APR-JUL 126.0 68 205.0 111 49.0 27 184. 202 62 86 TROY, OR (1) MAR-JUL 1310.0 83 1750.0 111 870.0 55 1578. 1573 524 89 APR-JUL 1060.0 83 1500.0 118 620.0 49 1274. 1369 524 89 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 4360.0 94 5920.0 127 2800.0 60 4645. 4316 1209 106 SPALDING, ID (1) JAN-JUL 9030.0 93 11400.0 118 6630.0 68 9683. 9175 2433 108 APR-JUL 7070.0 95 9470.0 127 4660.0 63 7435. 7274 2433 108 APR-SEP 7450.0 95 9860.0 126 5050.0 64 7849. 7550 2433 108 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3290.0 93 4220.0 119 2370.0 67 3547. 3507 1003 108 APR-JUL 2530.0 96 3460.0 131 1600.0 61 2644. 2676 1003 108 APR-SEP 2690.0 96 3620.0 129 1760.0 63 2803. 2786 1003 108 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 54.0 102 70.0 132 37.0 70 53. 63 55 114 UMATILLA RIVER GIBBON NR, OR APR-JUL 69.0 95 99.0 136 39.0 53 73. 86 77 118 PENDLETON, OR APR-JUL 127.0 85 198.0 133 56.0 38 149. 178 178 116 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 116.0 73 171.0 107 62.0 39 160. 0 APR-JUL 89.0 72 144.0 117 35.0 28 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 455.0 76 715.0 120 195.0 33 597. 745 265 103 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 805.0 70 1240.0 108 365.0 32 1153. 1235 308 73 APR-SEP 605.0 70 1040.0 120 165.0 19 865. 1038 308 73 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 515.0 98 570.0 108 465.0 88 528. 497 382 94 Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 123.0 67 200.0 109 47.0 26 184. 316 61 71 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 22.0 61 38.0 106 6.5 18 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Mar-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6670.0 105 8120.0 128 5220.0 82 6365. 5621 4683 117 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3170.0 99 4130.0 128 2210.0 69 3217. 3453 2677 118 APR-JUL 1760.0 104 2720.0 161 800.0 47 1689. 1642 2677 118 APR-SEP 2000.0 104 2960.0 154 1040.0 54 1922. 1817 2677 118 CASTLE ROCK, WA APR-SEP 2680.0 102 4030.0 153 1320.0 50 2639. 2380 4279 121 JAN-JUL 4610.0 98 5970.0 127 3260.0 69 4709. 5136 4279 121 LEWIS RIVER ARIEL, WA JAN-JUL 2210.0 94 2590.0 110 1840.0 78 2351. 2514 2104 107 MCKENZIE RIVER VIDA NR, OR APR-SEP 1180.0 98 1470.0 122 895.0 75 1201. 1142 1651 110 S. SANTIAM RIVER WATERLOO, OR APR-SEP 555.0 95 825.0 141 290.0 49 587. 540 1536 113 N. SANTIAM RIVER MEHAMA, OR APR-SEP 780.0 94 1050.0 126 510.0 61 834. 754 1608 115 WILLAMETTE RIVER SALEM, OR APR-SEP 4400.0 92 6070.0 126 2740.0 57 4804. 4373 10980 107 CLACKAMAS RIVER ESTACADA, OR APR-SEP 725.0 97 930.0 124 525.0 70 748. 678 1299 119 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 140.0 93 177.0 117 103.0 68 151. 156 94 84 JAN-JUL 164.0 91 200.0 110 126.0 70 181. 195 94 84 ROGUE RIVER RAYGOLD, OR APR-SEP 850.0 96 1080.0 121 620.0 70 889. 895 960 89 JAN-JUL 1390.0 88 1620.0 102 1160.0 73 1584. 1970 960 89 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 61.0 69 96.0 108 26.0 29 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 85.0 66 164.0 127 4.9 4 129. 196 17 63 APR-SEP 65.0 66 145.0 146 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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