 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 Monday April 07, 2008 at 20:15 GMT Full month of observed precipitation Future precip assumed to be normal Snow included in this run Full complement runoff applied through MAR UPPER COLUMBIA BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % COLUMBIA RIVER MICA RESERVOIR INFLOW, BC JAN-JUL 9830.0 102 11200.0 116 8500.0 88 9619. 9985 2122 104 FEB-SEP 13200.0 102 14500.0 112 11900.0 92 12960. 12300 2122 104 APR-SEP 12800.0 102 14100.0 113 11400.0 91 12500. 11850 2122 104 REVELSTOKE, BC JAN-JUL 14100.0 102 15300.0 110 13000.0 94 13880. 14190 3080 105 ARROW LAKES INFLOW JAN-JUL 20500.0 98 22600.0 108 18400.0 88 20960. 20790 4480 85 FEB-SEP 26000.0 98 28100.0 106 24000.0 91 26460. 24050 4480 85 APR-SEP 25100.0 100 27200.0 108 23000.0 92 25110. 22920 4480 85 BIRCHBANK, BC (1) JAN-JUL 37700.0 97 42900.0 110 32400.0 83 38930. 41180 8177 88 APR-SEP 42900.0 99 48200.0 111 37700.0 87 43500. 42860 8177 88 GRAND COULEE, WA (1) JAN-JUL 61200.0 97 69800.0 111 52700.0 84 62900. 66890 13220 76 APR-SEP 65200.0 102 73700.0 115 56600.0 88 63990. 63870 13220 76 ROCK ISLAND DAM BLO, WA (1) JAN-JUL 67600.0 98 77000.0 112 58200.0 84 68910. 71930 13920 74 APR-SEP 71700.0 103 81100.0 117 62300.0 90 69540. 68910 13920 74 THE DALLES NR, OR (1) JAN-JUL 101000.0 94 114000.0 106 87300.0 81 107300. 114700 28040 71 APR-AUG 94700.0 102 108000.0 116 81200.0 87 93090. 97540 28040 71 APR-SEP 100000.0 101 114000.0 116 86400.0 88 98650. 101700 28040 71 KOOTENAI RIVER LIBBY RES INFLOW, MT (1) JAN-JUL 6080.0 96 7380.0 117 4780.0 76 6306. 6909 1158 74 APR-AUG 6210.0 99 7510.0 120 4910.0 79 6248. 6628 1158 74 APR-SEP 6590.0 99 7890.0 119 5290.0 80 6638. 6922 1158 74 LEONIA, ID (1) APR-JUL 7270.0 103 8850.0 126 5690.0 81 7041. 7768 1540 71 APR-SEP 8390.0 103 9970.0 123 6810.0 84 8125. 8545 1540 71 BONNERS FERRY, ID APR-JUL 7940.0 104 9490.0 125 6400.0 84 7619. 8380 1653 71 KOOTENAY RIVER KOOTENAY LAKE INFLOW, BC JAN-JUL 15200.0 95 17600.0 110 12900.0 81 16010. 17210 2918 75 APR-SEP 16200.0 98 18900.0 115 13500.0 82 16450. 16790 2918 75 DUNCAN RIVER DUNCAN RESERVOIR INFLOW, BC JAN-JUL 1790.0 99 2170.0 121 1420.0 79 1800. 2033 341 90 FEB-SEP 2300.0 100 2670.0 116 1920.0 83 2305. 2361 341 90 APR-SEP 2240.0 101 2610.0 117 1860.0 84 2227. 2291 341 90 CLARK FORK BLACKFOOT RIVER ABV, MT APR-SEP 725.0 103 1060.0 151 395.0 56 704. 504 262 76 MISSOULA ABV, MT APR-SEP 1600.0 100 2060.0 129 1140.0 71 1595. 1344 439 75 MISSOULA BLO, MT APR-SEP 3160.0 107 3860.0 130 2470.0 83 2962. 2770 748 77 ST. REGIS, MT (1) APR-SEP 4270.0 109 5340.0 137 3200.0 82 3907. 3648 1015 77 PLAINS NR, MT (1) APR-SEP 11600.0 105 13900.0 126 9340.0 84 11060. 10840 2110 68 WHITEHORSE RAPIDS, ID (1) APR-SEP 13200.0 106 15900.0 128 10600.0 85 12460. 12060 2236 60 BLACKFOOT RIVER BONNER NR, MT APR-SEP 870.0 98 1160.0 130 585.0 66 892. 840 178 74 BITTERROOT RIVER AT MOUTH, MT APR-SEP 1560.0 114 1840.0 135 1270.0 93 1364. 1319 316 81 Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % N.F. FLATHEAD RIVE COLUMBIA FALLS NR, MT APR-SEP 1940.0 108 2290.0 127 1580.0 88 1801. 1780 241 67 M.F. FLATHEAD RIVE WEST GLACIER NR, MT APR-SEP 1800.0 103 2090.0 120 1520.0 87 1740. 1737 236 68 S.F. FLATHEAD RIVE HUNGRY HORSE RES IN, MT (1) JAN-JUL 2140.0 96 2580.0 116 1700.0 76 2224. 2357 307 67 APR-SEP 2120.0 100 2560.0 121 1680.0 79 2124. 2175 307 67 UPPER/MIDDLE COLUMBIA BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % FLATHEAD RIVER COLUMBIA FALLS, MT APR-SEP 5990.0 103 7260.0 125 4720.0 81 5825. 6002 784 64 FLATHEAD LAKE INFLOW, MT (1) APR-SEP 6900.0 103 8270.0 123 5520.0 82 6713. 7002 1141 73 PRIEST RIVER PRIEST RIVER, ID (1) APR-JUL 915.0 112 1130.0 139 695.0 85 814. 997 237 66 PEND OREILLE RIVER PEND OREILLE LAKE IN, ID (1) APR-SEP 14800.0 106 17700.0 127 11900.0 86 13910. 14260 3190 69 APR-JUL 13600.0 107 16500.0 130 10700.0 84 12740. 13520 3190 69 BOX CANYON BLO, WA (1) APR-SEP 15200.0 108 18200.0 129 12200.0 87 14090. 14500 3253 68 KETTLE RIVER LAURIER NR, WA APR-SEP 1890.0 96 2260.0 115 1520.0 77 1972. 2366 141 52 COEUR D'ALENE RIVE ENAVILLE, ID (1) APR-SEP 905.0 116 1100.0 141 710.0 91 778. 871 261 45 APR-JUL 860.0 116 1050.0 142 665.0 90 739. 841 261 45 COEUR D'ALENE LAKE IN, ID APR-JUL 3070.0 120 3700.0 145 2430.0 95 2552. 2456 1103 57 SPOKANE RIVER SPOKANE, WA (1) APR-SEP 3520.0 128 3600.0 131 3440.0 125 2744. 2705 1126 56 ST JOE RIVER CALDER, ID APR-SEP 1500.0 124 1740.0 144 1270.0 105 1205. 1263 251 49 APR-JUL 1420.0 125 1650.0 145 1190.0 105 1136. 1203 251 49 OKANAGAN RIVER TONASKET NR, WA (1) APR-SEP 1550.0 88 2110.0 119 995.0 56 1766. 1470 363 75 SIMILKAMEEN RIVER NIGHTHAWK NR, WA (1) APR-JUL 1180.0 87 1550.0 115 815.0 60 1350. 1079 236 87 APR-SEP 1270.0 88 1640.0 113 910.0 63 1450. 1122 236 87 METHOW RIVER PATEROS NR, WA (1) APR-SEP 855.0 87 1100.0 112 610.0 62 985. 1144 157 88 CHELAN RIVER LAKE CHELAN INFLOW, WA (1) APR-SEP 1140.0 96 1310.0 111 960.0 81 1185. 1345 266 81 WENATCHEE RIVER PESHASTIN, WA APR-SEP 1750.0 107 2280.0 139 1210.0 74 1635. 1669 410 65 YAKIMA AND MAINSTEM SNAKE BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % YAKIMA RIVER KEECHELUS LAKE IN, WA (1) APR-SEP 169.0 127 195.0 147 142.0 107 133. 137 76 63 CLE ELUM, WA APR-SEP 1110.0 123 1210.0 134 1010.0 112 903. 906 373 59 PARKER NR, WA APR-SEP 2320.0 121 2540.0 132 2100.0 109 1918. 2346 951 64 KACHESS RIVER KACHESS LAKE INFLOW, WA (1) APR-SEP 153.0 128 172.0 143 134.0 112 120. 122 66 65 CLE ELUM RIVER CLE ELUM LAKE INFLOW, WA (1) APR-SEP 560.0 125 615.0 137 510.0 114 448. 475 156 66 NACHES RIVER NACHES NR, WA APR-SEP 910.0 109 1000.0 119 815.0 97 837. 1086 333 70 BUMPING RIVER BUMPING LAKE INFLOW, WA (1) APR-SEP 150.0 112 167.0 125 132.0 99 134. 154 58 76 TIETON RIVER RIMROCK LAKE INFLOW, WA (1) APR-SEP 260.0 107 295.0 122 230.0 95 242. 244 103 71 AHTANUM CREEKS TAMPICO NR, WA APR-SEP 49.0 107 66.0 143 32.0 70 46. 0 SNAKE RIVER JACKSON LAKE INFLOW, WY (1) APR-JUL 865.0 106 1010.0 124 725.0 89 815. 812 209 101 APR-SEP 960.0 106 1100.0 122 820.0 91 904. 861 209 101 PALISADES RES INFLOW, ID (1) APR-JUL 3400.0 102 3940.0 118 2850.0 86 3331. 3267 913 83 APR-SEP 3950.0 102 4490.0 116 3410.0 88 3875. 3672 913 83 HEISE NR, ID APR-JUL 3630.0 102 4230.0 119 3020.0 85 3561. 3618 1033 82 APR-SEP 4240.0 102 4840.0 116 3630.0 87 4159. 4188 1033 82 SHELLEY NR, ID (1) APR-JUL 4770.0 108 5500.0 124 4040.0 91 4428. 4634 1625 87 APR-SEP 5740.0 108 6470.0 122 5000.0 94 5324. 5339 1625 87 BLACKFOOT NR, ID (1) APR-JUL 4800.0 104 5560.0 121 4040.0 88 4604. 0 AMER. FALLS RES IN, ID (1) APR-JUL 3360.0 104 4430.0 137 2300.0 71 3242. 2929 1984 76 MILNER, ID APR-JUL 420.0 34 1280.0 104 178.0 14 1228. 996 175 11 KING HILL, ID (1) APR-JUL 2070.0 68 3030.0 100 1120.0 37 3045. 3030 2579 59 MURPHY NR, ID (1) APR-JUL 2190.0 71 3180.0 103 1190.0 38 3092. 3104 2620 58 WEISER, ID (1) JAN-JUL 6820.0 70 8570.0 88 5070.0 52 9793. 12140 3996 57 APR-JUL 4780.0 83 6520.0 113 3030.0 53 5765. 8160 3996 57 APR-SEP 6220.0 86 7960.0 111 4470.0 62 7192. 9471 3996 57 BROWNLEE RES INFLOW APR-JUL 5400.0 86 7550.0 120 3240.0 51 6313. 8975 4328 58 APR-SEP 6840.0 88 8990.0 115 4680.0 60 7801. 10350 4328 58 HELLS CANYON, ID (1) APR-JUL 5550.0 85 7490.0 115 3610.0 56 6493. 9324 4465 59 APR-SEP 7020.0 88 8960.0 112 5080.0 64 7977. 10740 4465 59 LOWER GRANITE RES IN, WA (1) JAN-JUL 28000.0 93 32900.0 110 23100.0 77 30020. 32200 8648 63 FEB-SEP 29200.0 96 34100.0 112 24300.0 80 30370. 31790 8648 63 APR-JUL 23300.0 108 28200.0 131 18400.0 85 21550. 24440 8648 63 APR-SEP 25700.0 106 30600.0 127 20800.0 86 24140. 26590 8648 63 UPPER SNAKE BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % GREY'S RIVER PALISADES ABV, WY APR-SEP 400.0 102 470.0 119 330.0 84 394. 401 150 163 SALT RIVER ETNA NR, WY APR-JUL 350.0 102 450.0 132 250.0 73 342. 363 143 76 HENRYS FORK ASHTON NR, ID APR-JUL 575.0 101 695.0 122 455.0 80 571. 659 415 81 ST. ANTHONY, ID APR-JUL 755.0 103 970.0 132 540.0 74 734. 819 477 80 REXBURG NR, ID APR-JUL 1550.0 99 1890.0 121 1210.0 78 1559. 1016 689 71 FALLS RIVER SQUIRREL NR, ID (1) APR-JUL 380.0 98 450.0 117 315.0 82 386. 370 107 62 TETON RIVER ST. ANTHONY NR, ID APR-JUL 420.0 104 535.0 133 300.0 74 403. 464 143 83 BIG LOST RIVER MACKAY RESERVOIR INFLOW, ID APR-JUL 137.0 96 195.0 137 80.0 56 142. 229 52 70 WILLOW CREEK RIRIE RESERVOIR INFLOW APR-JUL 81.0 94 112.0 130 50.0 58 86. 94 11 47 PORTNEUF RIVER TOPAZ, ID APR-SEP 87.0 92 108.0 114 65.0 68 95. 120 38 61 GOOSE CREEK OAKLEY RES INFLOW, ID APR-JUL 26.0 90 40.0 138 12.4 43 29. 0 BIG WOOD RIVER HAILEY, ID (1) APR-JUL 245.0 96 335.0 131 161.0 63 256. 431 51 74 MAGIC RESERVOIR INFLOW, ID APR-JUL 275.0 95 395.0 136 160.0 55 291. 591 26 32 LITTLE WOOD RIVER CAREY NR, ID APR-JUL 84.0 97 114.0 131 54.0 62 87. 163 19 64 MIDDLE SNAKE BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % BRUNEAU RIVER HOT SPRING NR, ID APR-JUL 205.0 99 305.0 147 105.0 50 208. 276 35 47 OWYHEE RIVER OWYHEE RES INFLOW, OR MAR-JUL 510.0 83 720.0 117 305.0 50 613. 1050 202 47 OWYHEE RES OUTFLOW APR-JUL 21.0 10 90.0 41 10.3 5 217. 594 15 9 BOISE RIVER TWIN SPRINGS NR, ID (1) APR-JUL 665.0 105 785.0 123 550.0 86 636. 828 187 87 BOISE NR, ID (1) APR-JUL 1450.0 103 1750.0 124 1160.0 82 1414. 2060 383 70 PARMA NR, ID APR-JUL 395.0 67 660.0 111 134.0 23 593. 1102 279 47 S.F. BOISE RIVER ANDERSON RNCH RES IN, ID (1) APR-JUL 545.0 101 650.0 120 440.0 81 542. 816 111 74 MALHEUR RIVER DREWSEY NR, OR MAR-JUL 116.0 105 151.0 137 82.0 75 110. 239 35 45 N.F. MALHEUR RIVER BEULAH RES INFLOW, OR (1) MAR-JUL 92.0 114 109.0 135 75.0 93 81. 155 28 57 PAYETTE RIVER HORSESHOE BEND NR, ID (1) APR-JUL 1760.0 109 2130.0 132 1390.0 86 1617. 2214 530 81 EMMETT NR, ID APR-JUL 1450.0 116 1850.0 148 1050.0 84 1246. 1977 505 67 DEADWOOD RIVER DEADWOOD RES INFLOW, ID (1) APR-JUL 146.0 109 171.0 128 121.0 90 134. 180 32 96 N.F. PAYETTE RIVER CASCADE RES INFLOW, ID (1) APR-JUL 545.0 110 660.0 133 425.0 86 495. 684 191 91 WEISER RIVER WEISER NR, ID (1) APR-JUL 445.0 114 620.0 159 270.0 69 391. 717 280 72 BURNT RIVER HEREFORD NR, OR MAR-JUL 54.0 106 69.0 135 40.0 78 51. 81 LOWER SNAKE AND CENTRAL OREGON BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % POWDER RIVER SUMPTER NR, OR MAR-JUL 74.0 106 89.0 127 59.0 84 70. 90 IMNAHA RIVER IMNAHA, OR MAR-JUL 335.0 111 415.0 138 260.0 86 301. 394 62 65 SALMON RIVER SALMON, ID (1) APR-JUL 860.0 100 1170.0 137 550.0 64 857. 1078 393 88 WHITEBIRD, ID (1) JAN-JUL 6970.0 102 8360.0 123 5580.0 82 6805. 7274 1665 89 APR-JUL 6200.0 106 7590.0 130 4810.0 82 5851. 6441 1665 89 GRANDE RONDE RIVER LA GRANDE, OR MAR-JUL 255.0 102 320.0 129 196.0 79 249. 238 83 60 APR-JUL 210.0 114 270.0 147 148.0 80 184. 202 83 60 TROY, OR (1) MAR-JUL 1780.0 113 2190.0 139 1370.0 87 1578. 1573 540 61 APR-JUL 1570.0 123 1980.0 155 1160.0 91 1274. 1369 540 61 CLEARWATER RIVER OROFINO, ID (1) APR-JUL 5440.0 117 6710.0 144 4170.0 90 4645. 4316 1009 61 SPALDING, ID (1) JAN-JUL 10100.0 104 11800.0 122 8290.0 86 9683. 9175 1895 57 APR-JUL 8950.0 120 10700.0 144 7170.0 96 7435. 7274 1895 57 APR-SEP 9380.0 120 11200.0 143 7610.0 97 7849. 7550 1895 57 N.F. CLEARWATER RI DWORSHAK RES INFLOW, ID (1) JAN-JUL 3550.0 100 4170.0 118 2930.0 83 3547. 3507 701 52 APR-JUL 3160.0 120 3780.0 143 2540.0 96 2644. 2676 701 52 APR-SEP 3350.0 120 3970.0 142 2730.0 97 2803. 2786 701 52 S.F. WALLA WALLA R MILTON NR, OR APR-JUL 61.0 115 73.0 138 49.0 92 53. 63 51 83 UMATILLA RIVER GIBBON NR, OR APR-JUL 86.0 118 112.0 153 60.0 82 73. 86 71 77 PENDLETON, OR APR-JUL 178.0 119 245.0 164 111.0 74 149. 178 168 74 M.F. JOHN DAY RIVE RITTER, OR (1) MAR-JUL 193.0 121 235.0 147 148.0 93 160. 0 APR-JUL 149.0 121 193.0 157 104.0 85 123. 0 N.F. JOHN DAY RIVE MONUMENT NR, OR APR-JUL 710.0 119 915.0 153 500.0 84 597. 745 310 69 JOHN DAY RIVER SERVICE CREEK, OR (1) MAR-SEP 1230.0 107 1580.0 137 880.0 76 1153. 1235 433 61 APR-SEP 1020.0 118 1370.0 158 675.0 78 865. 1038 433 61 DESCHUTES RIVER BENHAM FALLS, OR APR-SEP 525.0 99 560.0 106 485.0 92 528. 497 460 95 Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % CROOKED RIVER PRINEVILLE RES INFLOW, OR MAR-JUL 162.0 88 220.0 120 104.0 57 184. 316 70 43 OCHOCO CREEK OCHOCO RES INFLOW, OR MAR-JUL 38.0 106 53.0 147 23.0 64 36. 59 WESTSIDE AND SOUTHERN OREGON BASINS Apr-08 Final ________________Forecast______________ __________Runoff___________ Stream and Station Probable % Maximum % Minimum % Average PrevYr CurYR % SKAGIT RIVER CONCRETE NR, WA APR-SEP 6720.0 106 7970.0 125 5470.0 86 6365. 5621 4040 86 COWLITZ RIVER MAYFIELD RES INFLOW, WA JAN-JUL 3290.0 102 4160.0 129 2420.0 75 3217. 3453 2093 77 APR-JUL 2100.0 124 2970.0 176 1230.0 73 1689. 1642 2093 77 APR-SEP 2390.0 124 3260.0 170 1520.0 79 1922. 1817 2093 77 CASTLE ROCK, WA APR-SEP 3170.0 120 4370.0 166 1960.0 74 2639. 2380 3568 84 JAN-JUL 4800.0 102 6000.0 127 3600.0 76 4709. 5136 3568 84 LEWIS RIVER ARIEL, WA JAN-JUL 2300.0 98 2670.0 114 1930.0 82 2351. 2514 1818 77 MCKENZIE RIVER VIDA NR, OR APR-SEP 1420.0 118 1680.0 140 1160.0 97 1201. 1142 1779 97 S. SANTIAM RIVER WATERLOO, OR APR-SEP 715.0 122 965.0 164 465.0 79 587. 540 1571 96 N. SANTIAM RIVER MEHAMA, OR APR-SEP 1020.0 122 1250.0 150 780.0 94 834. 754 1619 96 WILLAMETTE RIVER SALEM, OR APR-SEP 5650.0 118 7190.0 150 4110.0 86 4804. 4373 11950 95 CLACKAMAS RIVER ESTACADA, OR APR-SEP 1000.0 134 1160.0 155 840.0 112 748. 678 1166 88 N. UMPQUA RIVER LEMOLO LAKE INFLOW, OR (1) APR-SEP 177.0 117 215.0 142 140.0 93 151. 156 111 81 JAN-JUL 184.0 102 220.0 122 147.0 81 181. 195 111 81 ROGUE RIVER RAYGOLD, OR APR-SEP 1020.0 115 1150.0 129 890.0 100 889. 895 1206 88 JAN-JUL 1650.0 104 1770.0 112 1520.0 96 1584. 1970 1206 88 CHEWAUCAN RIVER PAISLEY NR, OR MAR-JUL 72.0 81 108.0 121 36.0 40 89. 16 SILVIES RIVER BURNS NR, OR MAR-JUL 136.0 105 199.0 154 72.0 56 129. 196 APR-SEP 138.0 139 200.0 202 75.0 76 99. 167 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 |