 www.nws.noaa.gov |
 |
 |
 |
|
 |
 |
Home | Site Map | News | Organization | Search |  |
Product Display
Forecasts:
0 - 14 Days
14 - 120 Days
Water Supply
Peak Flow
AHPS
Watch & Warnings
Flood Outlook
Discussion
Return Main Menu
Product Display for Statistical Water Supply Forecast
Water Supply Forecasts Northwest River Forecast Center Friday April 06, 2007 at 19:38 GMT Full month of observed precipitation Future precip 110% first two weeks then normal rest of way Snow included in this run Full complement runoff applied through MAR UPPER COLUMBIA BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 10800.0 112 12200.0 127 9520.0 99 9619. 9985 1875 92 FEB-SEP 14600.0 113 16000.0 123 13300.0 103 12960. 12300 1875 92 APR-SEP 14100.0 113 15400.0 123 12700.0 102 12500. 11850 1875 92 REVELSTOKE, BC JAN-JUL 15400.0 111 16600.0 120 14300.0 103 13880. 14190 2537 86 ARROW LAKES INFLOW JAN-JUL 22900.0 109 25000.0 119 20800.0 99 20960. 20790 4553 86 FEB-SEP 29100.0 110 31200.0 118 27100.0 102 26460. 24050 4553 86 APR-SEP 27600.0 110 29600.0 118 25500.0 102 25110. 22920 4553 86 BIRCHBANK, BC (1) JAN-JUL 42900.0 110 48200.0 124 37700.0 97 38930. 41180 9891 106 APR-SEP 47100.0 108 52300.0 120 41800.0 96 43500. 42860 9891 106 GRAND COULEE, WA (1) JAN-JUL 65900.0 105 74400.0 118 57300.0 91 62900. 66890 19170 110 APR-SEP 65500.0 102 74100.0 116 57000.0 89 63990. 63870 19170 110 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 73800.0 107 83300.0 121 64400.0 93 68910. 71930 21300 113 APR-SEP 72900.0 105 82300.0 118 63500.0 91 69540. 68910 21300 113 THE DALLES NR, OR (1) JAN-JUL 100000.0 93 114000.0 106 86400.0 81 107300. 114700 39300 100 APR-AUG 85200.0 92 98800.0 106 71600.0 77 93090. 97540 39300 100 APR-SEP 90400.0 92 104000.0 105 76800.0 78 98650. 101700 39300 100 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6700.0 106 8000.0 127 5400.0 86 6306. 6909 1775 114 APR-AUG 6460.0 103 7760.0 124 5160.0 83 6248. 6628 1775 114 APR-SEP 6870.0 103 8170.0 123 5570.0 84 6638. 6922 1775 114 LEONIA, ID (1) APR-JUL 7240.0 103 8820.0 125 5660.0 80 7041. 7768 2744 127 APR-SEP 8350.0 103 9930.0 122 6770.0 83 8125. 8545 2744 127 BONNERS FERRY, ID APR-JUL 7670.0 101 9260.0 122 6130.0 80 7619. 8380 3034 130 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 17800.0 111 20300.0 127 15500.0 97 16010. 17210 4884 125 APR-SEP 17700.0 108 20500.0 125 15000.0 91 16450. 16790 4884 125 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1990.0 111 2370.0 132 1620.0 90 1800. 2033 391 104 FEB-SEP 2540.0 110 2920.0 127 2170.0 94 2305. 2361 391 104 APR-SEP 2420.0 109 2800.0 126 2050.0 92 2227. 2291 391 104 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 605.0 86 940.0 134 275.0 39 704. 504 319 93 MISSOULA ABV, MT APR-SEP 1340.0 84 1800.0 113 885.0 55 1595. 1344 627 107 MISSOULA BLO, MT APR-SEP 2410.0 81 3110.0 105 1720.0 58 2962. 2770 1118 115 ST. REGIS, MT (1) APR-SEP 3250.0 83 4320.0 111 2180.0 56 3907. 3648 1518 115 PLAINS NR, MT (1) APR-SEP 9710.0 88 12000.0 108 7430.0 67 11060. 10840 3824 122 WHITEHORSE RAPIDS, ID (1) APR-SEP 10900.0 87 13600.0 109 8280.0 66 12460. 12060 4372 117 BLACKFOOT RIVER BONNER NR, MT APR-SEP 735.0 82 1020.0 114 445.0 50 892. 840 309 129 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1080.0 79 1360.0 100 790.0 58 1364. 1319 474 122 Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1710.0 95 2060.0 114 1350.0 75 1801. 1780 639 177 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1550.0 89 1830.0 105 1260.0 72 1740. 1737 589 169 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2070.0 93 2510.0 113 1630.0 73 2224. 2357 661 144 APR-SEP 1830.0 86 2270.0 107 1390.0 65 2124. 2175 661 144 UPPER/MIDDLE COLUMBIA BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5260.0 90 6530.0 112 3990.0 68 5825. 6002 1835 150 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6110.0 91 7490.0 112 4730.0 70 6713. 7002 2362 152 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 785.0 96 1000.0 123 565.0 69 814. 997 474 132 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 12200.0 88 15100.0 109 9330.0 67 13910. 14260 5884 128 APR-JUL 11200.0 88 14100.0 111 8320.0 65 12740. 13520 5884 128 BOX CANYON BLO, WA (1) APR-SEP 12500.0 89 15400.0 109 9500.0 67 14090. 14500 6109 128 KETTLE RIVER LAURIER NR, WA APR-SEP 1910.0 97 2280.0 116 1540.0 78 1972. 2366 224 82 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 675.0 87 870.0 112 480.0 62 778. 871 813 139 APR-JUL 640.0 87 835.0 113 445.0 60 739. 841 813 139 COEUR D'ALENE LAKE IN, ID APR-JUL 2160.0 85 2790.0 109 1530.0 60 2552. 2456 2288 118 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 2410.0 88 2490.0 91 2330.0 85 2744. 2705 2486 124 ST JOE RIVER CALDER, ID APR-SEP 1050.0 87 1280.0 106 820.0 68 1205. 1263 717 140 APR-JUL 995.0 88 1230.0 108 765.0 67 1136. 1203 717 140 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1830.0 104 2390.0 135 1270.0 72 1766. 1470 703 144 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1490.0 110 1850.0 137 1120.0 83 1350. 1079 574 212 APR-SEP 1600.0 110 1970.0 136 1240.0 86 1450. 1122 574 212 METHOW RIVER PATEROS NR, WA (1) APR-SEP 1060.0 108 1300.0 132 810.0 82 985. 1144 297 166 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1280.0 108 1460.0 123 1100.0 93 1185. 1345 573 175 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1670.0 102 2200.0 135 1140.0 70 1635. 1669 945 149 YAKIMA AND MAINSTEM SNAKE BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 133.0 100 159.0 120 107.0 80 133. 137 147 122 CLE ELUM, WA APR-SEP 900.0 100 1000.0 111 800.0 89 903. 906 872 138 PARKER NR, WA APR-SEP 1920.0 100 2140.0 112 1700.0 89 1918. 2346 2187 146 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 118.0 98 137.0 114 99.0 83 120. 122 138 136 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 450.0 100 505.0 113 395.0 88 448. 475 349 147 NACHES RIVER NACHES NR, WA APR-SEP 795.0 95 890.0 106 700.0 84 837. 1086 852 180 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 137.0 102 155.0 116 120.0 90 134. 154 126 165 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 245.0 101 275.0 114 210.0 87 242. 244 215 148 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 40.0 87 57.0 124 23.0 50 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-SEP 665.0 74 805.0 89 525.0 58 904. 861 187 90 APR-JUL 600.0 74 740.0 91 455.0 56 815. 812 187 90 PALISADES RES INFLOW, ID (1) APR-JUL 2230.0 67 2770.0 83 1690.0 51 3331. 3267 1037 94 HEISE NR, ID APR-JUL 2380.0 67 2980.0 84 1770.0 50 3561. 3618 1233 98 SHELLEY NR, ID (1) APR-JUL 3060.0 69 3790.0 86 2330.0 53 4428. 4634 2030 109 BLACKFOOT NR, ID (1) APR-JUL 3080.0 67 3840.0 83 2320.0 50 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 1580.0 49 2640.0 81 510.0 16 3242. 2929 2323 90 MILNER, ID APR-JUL 220.0 18 745.0 61 135.0 11 1228. 996 507 31 KING HILL, ID (1) APR-JUL 1590.0 52 2550.0 84 635.0 21 3045. 3030 2830 65 MURPHY NR, ID (1) APR-JUL 1660.0 54 2660.0 86 665.0 22 3092. 3104 2981 66 WEISER, ID (1) JAN-JUL 5290.0 54 7040.0 72 3550.0 36 9793. 12140 4423 64 APR-JUL 3000.0 52 4750.0 82 1260.0 22 5765. 8160 4423 64 BROWNLEE RES INFLOW APR-JUL 3300.0 52 5450.0 86 1140.0 18 6313. 8975 4753 64 HELLS CANYON, ID (1) APR-JUL 3360.0 52 5300.0 82 1410.0 22 6493. 9324 4899 65 LOWER GRANITE RES IN, WA (1) JAN-JUL 21400.0 71 26400.0 88 16500.0 55 30020. 32200 11200 81 FEB-SEP 21800.0 72 26800.0 88 16900.0 56 30370. 31790 11200 81 APR-JUL 15100.0 70 20000.0 93 10200.0 47 21550. 24440 11200 81 UPPER SNAKE BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 265.0 67 335.0 85 195.0 49 394. 401 110 119 SALT RIVER ETNA NR, WY APR-JUL 199.0 58 300.0 88 99.0 29 342. 363 185 98 HENRYS FORK ASHTON NR, ID APR-JUL 405.0 71 525.0 92 290.0 51 571. 659 510 100 ST. ANTHONY, ID APR-JUL 500.0 68 720.0 98 285.0 39 734. 819 658 110 REXBURG NR, ID APR-JUL 1130.0 72 1480.0 95 790.0 51 1559. 1016 845 87 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 275.0 71 340.0 88 210.0 54 386. 370 143 83 TETON RIVER ST. ANTHONY NR, ID APR-JUL 280.0 69 400.0 99 164.0 41 403. 464 201 116 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 85.0 60 142.0 100 27.0 19 142. 229 64 87 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 34.0 40 65.0 76 2.7 3 86. 94 24 102 PORTNEUF RIVER TOPAZ, ID APR-SEP 56.0 59 77.0 81 34.0 36 95. 120 51 82 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 19.3 67 33.0 114 5.7 20 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 130.0 51 215.0 84 44.0 17 256. 431 73 105 MAGIC RESERVOIR INFLOW, ID APR-JUL 85.0 29 200.0 69 0 0 291. 591 71 88 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 32.0 37 62.0 71 2.8 3 87. 163 25 84 MIDDLE SNAKE BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 130.0 63 230.0 111 31.0 15 208. 276 51 69 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 240.0 39 450.0 73 30.0 5 613. 1050 210 49 OWYHEE RES OUTFLOW APR-JUL 52.0 24 260.0 120 9.1 4 217. 594 29 17 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 435.0 68 550.0 86 315.0 50 636. 828 221 103 BOISE NR, ID (1) APR-JUL 850.0 60 1140.0 81 550.0 39 1414. 2060 503 91 PARMA NR, ID APR-JUL 122.0 21 365.0 62 82.0 14 593. 1102 293 50 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 300.0 55 405.0 75 196.0 36 542. 816 154 102 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 47.0 43 82.0 75 12.6 11 110. 239 48 61 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 39.0 48 56.0 69 22.0 27 81. 155 32 66 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1120.0 69 1500.0 93 755.0 47 1617. 2214 625 96 EMMETT NR, ID APR-JUL 870.0 70 1280.0 103 475.0 38 1246. 1977 500 66 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 96.0 72 121.0 90 71.0 53 134. 180 38 113 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 350.0 71 470.0 95 235.0 47 495. 684 202 96 WEISER RIVER WEISER NR, ID (1) APR-JUL 260.0 66 430.0 110 84.0 21 391. 717 202 52 BURNT RIVER HEREFORD NR, OR MAR-JUL 22.0 43 37.0 73 7.7 15 51. 81 22 69 LOWER SNAKE AND CENTRAL OREGON BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 33.0 47 47.0 67 17.9 26 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 199.0 66 275.0 91 121.0 40 301. 394 82 86 SALMON RIVER SALMON, ID (1) APR-JUL 645.0 75 955.0 111 335.0 39 857. 1078 474 106 WHITEBIRD, ID (1) JAN-JUL 5320.0 78 6710.0 99 3930.0 58 6805. 7274 1881 101 APR-JUL 4400.0 75 5780.0 99 3010.0 51 5851. 6441 1881 101 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 156.0 63 215.0 86 95.0 38 249. 238 116 84 APR-JUL 103.0 56 163.0 89 42.0 23 184. 202 116 84 TROY, OR (1) MAR-JUL 1170.0 74 1570.0 99 760.0 48 1578. 1573 806 90 APR-JUL 885.0 69 1290.0 101 480.0 38 1274. 1369 806 90 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 3870.0 83 5130.0 110 2600.0 56 4645. 4316 1873 113 SPALDING, ID (1) JAN-JUL 8510.0 88 10300.0 106 6730.0 70 9683. 9175 3809 115 APR-JUL 6150.0 83 7920.0 107 4370.0 59 7435. 7274 3809 115 APR-SEP 6510.0 83 8290.0 106 4730.0 60 7849. 7550 3809 115 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3140.0 89 3760.0 106 2520.0 71 3547. 3507 1587 117 APR-JUL 2200.0 83 2820.0 107 1580.0 60 2644. 2676 1587 117 APR-SEP 2330.0 83 2950.0 105 1710.0 61 2803. 2786 1587 117 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 47.0 89 59.0 111 35.0 66 53. 63 77 125 UMATILLA RIVER GIBBON NR, OR APR-JUL 59.0 81 85.0 116 33.0 45 73. 86 107 116 PENDLETON, OR APR-JUL 108.0 72 175.0 117 42.0 28 149. 178 250 110 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 91.0 57 136.0 85 47.0 29 160. 0 APR-JUL 70.0 57 115.0 93 26.0 21 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 370.0 62 575.0 96 160.0 27 597. 745 442 98 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 745.0 65 1090.0 95 395.0 34 1153. 1235 573 81 APR-SEP 480.0 55 830.0 96 132.0 15 865. 1038 573 81 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 480.0 91 515.0 98 445.0 84 528. 497 454 93 Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 109.0 59 167.0 91 50.0 27 184. 316 126 78 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 21.0 58 36.0 100 6.3 18 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Apr-07 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6390.0 100 7640.0 120 5140.0 81 6365. 5621 6370 135 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3370.0 105 4240.0 132 2500.0 78 3217. 3453 3484 128 APR-JUL 1630.0 97 2500.0 148 765.0 45 1689. 1642 3484 128 APR-SEP 1860.0 97 2730.0 142 985.0 51 1922. 1817 3484 128 CASTLE ROCK, WA APR-SEP 2530.0 96 3730.0 141 1330.0 50 2639. 2380 5560 130 JAN-JUL 5000.0 106 6210.0 132 3800.0 81 4709. 5136 5560 130 LEWIS RIVER ARIEL, WA JAN-JUL 2340.0 100 2710.0 115 1980.0 84 2351. 2514 2672 113 MCKENZIE RIVER VIDA NR, OR APR-SEP 1050.0 87 1310.0 109 790.0 66 1201. 1142 2019 110 S. SANTIAM RIVER WATERLOO, OR APR-SEP 500.0 85 750.0 128 250.0 43 587. 540 1869 114 N. SANTIAM RIVER MEHAMA, OR APR-SEP 700.0 84 940.0 113 465.0 56 834. 754 1964 116 WILLAMETTE RIVER SALEM, OR APR-SEP 4100.0 85 5640.0 117 2560.0 53 4804. 4373 13270 106 CLACKAMAS RIVER ESTACADA, OR APR-SEP 690.0 92 850.0 114 530.0 71 748. 678 1575 119 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 125.0 83 162.0 107 87.0 58 151. 156 116 85 JAN-JUL 151.0 83 188.0 104 114.0 63 181. 195 116 85 ROGUE RIVER RAYGOLD, OR APR-SEP 725.0 82 855.0 96 595.0 67 889. 895 1269 93 JAN-JUL 1310.0 83 1440.0 91 1180.0 74 1584. 1970 1269 93 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 58.0 65 94.0 106 22.0 25 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 59.0 46 123.0 95 0 0 129. 196 30 50 APR-SEP 47.0 47 111.0 112 0 0 99. 167 30 50 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 $$
| US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service Northwest River Forecast Center (NWRFC) 5241 NE 122nd Avenue Portland, Oregon 97230-1089 Telephone: 503-326-7401 Last Modified: November 24, 2009 | Disclaimer Information Quality Credits Glossary Search | Privacy Policy Freedom of Information Act About Us Career Opportunities |