Water Supply Forecast Listing

Header for Water Supply Period Rankings Page

Summary for Water Year (2025)

Ensemble Date: 2025-05-10 Issued Date: 2025-05-10

#	ID	Servicing WFO	Forecast Period	Name	90% Exceedence KAF	50% Exceedence KAF	% Normal	10% Exceedence KAF	30 Year Normal
1	WTLO3	PQR	APR-SEP	SOUTH SANTIAM - AT WATERLOO	314	349	59	457	590
2	WSRI1	BOI	APR-SEP	WEISER - NEAR WEISER	386	413	106	456	389
3	WODI1	PIH	APR-SEP	LITTLE WOOD - NEAR CAREY	33.11	38.23	50	49.59	76.59
4	WHBI1	MSO	APR-SEP	SALMON - AT WHITEBIRD	5798	6203	101	7041	6158
5	WGCM8	MSO	APR-SEP	MF FLATHEAD - NEAR WEST GLACIER	1410	1529	90	1803	1697
6	WEII1	BOI	APR-SEP	SNAKE - AT WEISER	5398	5682	95	6197	5956
7	WDHN2	LKN	APR-SEP	OWYHEE - WILDHORSE DAM	13.88	14.28	90	15.23	15.92
8	VIDO3	PQR	APR-SEP	MCKENZIE - NEAR VIDA	990	1022	86	1097	1195
9	UNYO3	PDT	APR-SEP	BURNT - Unity Dam & Burnt RVR NR Hereford	41.94	42.79	138	45.01	31.00
10	TRYO3	PDT	APR-SEP	GRANDE RONDE - TROY	881	976	73	1233	1331
11	TOPI1	PIH	APR-SEP	PORTNEUF - AT TOPAZ	58.18	59.64	83	62.92	72.20
12	TONW1	OTX	APR-SEP	OKANOGAN - NEAR TONASKET	801	935	54	1115	1720
13	TEAI1	PIH	APR-SEP	TETON - NEAR ST. ANTHONY	378	428	96	510	447
14	TDAO3	PDT	APR-SEP	COLUMBIA - THE DALLES DAM	75660	80464	85	87041	94166
15	SWAI1	BOI	APR-SEP	SNAKE - BELOW SWAN FALLS	2414	2533	78	2840	3258
16	STHW1	OTX	APR-SEP	STEHEKIN - AT STEHEKIN	532	566	70	596	814
17	SRGM8	MSO	APR-SEP	CLARK FORK - AT ST REGIS	2557	2816	75	3391	3771
18	SPOW1	OTX	APR-SEP	SPOKANE - AT SPOKANE	1801	1909	74	2286	2587
19	SPDI1	OTX	APR-SEP	CLEARWATER - AT SPALDING	5856	6240	83	7123	7481
20	SMNI1	MSO	APR-SEP	SALMON - AT SALMON	827	924	99	1052	929
21	SMKQ2	CAN	APR-SEP	SIMILKAMEEN - NEAR HEDLEY	567	610	61	727	1004
22	SLMO3	PQR	APR-SEP	WILLAMETTE - AT SALEM	3324	3538	74	4134	4754
23	SLCQ2	CAN	APR-SEP	SLOCAN - NEAR CRESCENT VALLEY	1373	1557	81	1759	1933
24	SKHI1	BOI	APR-SEP	SNAKE - AT KING HILL	2380	2517	74	2825	3412
25	SHYI1	PIH	APR-SEP	SNAKE - NEAR SHELLEY	4201	4508	92	5144	4905
26	SFLN2	PIH	APR-SEP	SALMON FALLS CREEK - NR SAN JACINTO	47.04	56.65	83	71.46	67.85
27	SERO3	PDT	APR-SEP	JOHN DAY - AT SERVICE CK	778	802	101	909	798
28	SALW4	RIW	APR-SEP	SALT - ABV PALISADES RES NR ETNA	338	361	98	423	368
29	RYGO3	MFR	APR-SEP	ROGUE - AT RAYGOLD	834	862	104	912	831
30	RISW1	OTX	APR-SEP	COLUMBIA - BLO ROCK ISLAND DAM	53354	56569	84	61439	67524
31	RIRI1	PIH	APR-SEP	WILLOW CREEK - NEAR RIRIE	35.04	36.34	60	40.84	60.33
32	RIMW1	PDT	APR-SEP	TIETON - AT TIETON DAM	206	213	95	231	225
33	REXI1	PIH	APR-SEP	HENRYS FORK - AT REXBURG	1126	1227	72	1436	1710
34	REVQ2	CAN	APR-SEP	COLUMBIA - REVELSTOKE DAM	13546	14404	84	15583	17242
35	QBYQ2	CAN	APR-SEP	KOOTENAI - KOOTENAY L AT QUEENS BAY	12021	12941	82	14903	15842
36	PRTI1	OTX	APR-SEP	PRIEST - NEAR PRIEST RIVER	663	730	87	932	843
37	PRDW1	OTX	APR-SEP	COLUMBIA - BLO PRIEST RAPIDS DAM	53505	56719	83	61590	68162
38	PLNM8	MSO	APR-SEP	CLARK FORK - NEAR PLAINS	8084	8859	84	10290	10574
39	PESW1	OTX	APR-SEP	WENATCHEE - AT PESHASTIN	1120	1172	78	1273	1496
40	PDTO3	PDT	APR-SEP	UMATILLA - AT PENDLETON	87.87	91.75	58	107	158
41	PATW1	OTX	APR-SEP	METHOW - NEAR PATEROS	663	706	73	763	965
42	PARW1	PDT	APR-SEP	YAKIMA - NEAR PARKER	1664	1699	89	1766	1899
43	PARI1	BOI	APR-SEP	BOISE - NEAR PARMA	578	606	104	629	584
44	PALI1	PIH	APR-SEP	SNAKE - NEAR IRWIN	3295	3510	98	3929	3577
45	OWYO3	BOI	APR-SEP	OWYHEE - OWYHEE DAM	225	232	69	246	336
46	ORFI1	MSO	APR-SEP	CLEARWATER - AT OROFINO	3737	4028	87	4598	4632
47	NITW1	OTX	APR-SEP	SIMILKAMEEN - NEAR NIGHTHAWK	672	750	55	893	1366
48	NACW1	PDT	APR-SEP	NACHES - NEAR NACHES	653	682	84	728	807
49	MYDW1	PQR	APR-SEP	COWLITZ - MAYFIELD RESERVOIR	1399	1466	79	1717	1864
50	MONO3	PDT	APR-SEP	NF JOHN DAY - AT MONUMENT	495	508	90	604	564
51	MODO3	PDT	APR-SEP	DESCHUTES - AT MOODY NR BIGGS	1852	1864	98	1904	1902
52	MEWW1	PQR	APR-SEP	LEWIS - MERWIN DAM	769	815	75	973	1082
53	MEHO3	PQR	APR-SEP	NORTH SANTIAM - AT MEHAMA	560	600	70	730	855
54	MCDW1	PDT	APR-SEP	COLUMBIA - MCNARY DAM	72989	77780	84	84233	92790
55	MCDQ2	CAN	APR-SEP	COLUMBIA - MICA DAM	9272	9923	81	10718	12296
56	MAGI1	PIH	APR-SEP	BIG WOOD - MAGIC DAM	164	180	75	224	240
57	MADO3	BOI	APR-SEP	MALHEUR - NEAR DREWSEY	126	128	198	132	64.84
58	MACI1	PIH	APR-SEP	BIG LOST - MACKAY RESERVOIR NEAR MACKAY	90.48	111	82	152	136
59	LYDM8	MSO	APR-SEP	KOOTENAI - LIBBY DAM	4469	4803	75	5729	6429
60	LUCI1	BOI	APR-SEP	BOISE - LUCKY PEAK DAM	1224	1298	98	1444	1329
61	LSTO3	PDT	APR-SEP	LOSTINE - NR LOSTINE	86.91	97.47	84	113	116
62	LLKW1	OTX	APR-SEP	SPOKANE - AT LONGLAKE	2059	2167	75	2553	2901
63	LGNO3	PDT	APR-SEP	GRANDE RONDE - NEAR PERRY	98.8	102	58	144	176
64	LGDW1	OTX	APR-SEP	SNAKE - LOWER GRANITE DAM	18864	19955	90	21873	22232
65	LEOI1	OTX	APR-SEP	KOOTENAI - AT LEONIA	5483	5891	75	6998	7803
66	LAUW1	OTX	APR-SEP	KETTLE - AT LAURIER	1646	1937	99	2380	1954
67	KIOW1	PDT	APR-SEP	YAKIMA - AT KIONA	717	742	65	793	1149
68	KERM8	MSO	APR-SEP	FLATHEAD - SELI’Š KSANKA QLISPE’ DAM	5078	5578	85	6609	6577
69	KEEW1	PDT	APR-SEP	YAKIMA - NEAR MARTIN	78.99	86.97	67	98.56	129
70	KACW1	PDT	APR-SEP	KACHESS - NEAR EASTON	68.76	74.46	65	82.86	114
71	JLKW4	RIW	APR-SEP	SNAKE - JACKSON LAKE AT DAM	740	784	92	868	849
72	JDAO3	PDT	APR-SEP	COLUMBIA - JOHN DAY DAM	75079	79885	86	86432	92354
73	IMNO3	PDT	APR-SEP	IMNAHA - AT IMNAHA	203	230	83	282	277
74	HWRI1	PIH	APR-SEP	BIG LOST - AT HOWELL RANCH NEAR CHILLY	116	136	79	174	172
75	HRSI1	BOI	APR-SEP	PAYETTE - NEAR HORSESHOE BEND	1797	1885	118	2037	1597
76	HOTI1	BOI	APR-SEP	BRUNEAU - NEAR HOT SPRINGS	100	103	56	127	183
77	HLKW1	PDT	APR-SEP	YAKIMA - NEAR HORLICK	680	709	74	754	962
78	HHWM8	MSO	APR-SEP	SF FLATHEAD - HUNGRY HORSE DAM	1744	1891	91	2157	2088
79	HEII1	PIH	APR-SEP	SNAKE - NEAR HEISE	3485	3702	96	4170	3849
80	HCDI1	PDT	APR-SEP	SNAKE - AT HELLS CANYON DAM	5973	6257	93	6804	6725
81	HALI1	PIH	APR-SEP	BIG WOOD - AT HAILEY	203	217	85	256	257
82	GREW4	RIW	APR-SEP	GREYS - AB RES NR ALPINE	367	386	104	436	371
83	GIBO3	PDT	APR-SEP	UMATILLA - NEAR GIBBON	57.41	60.95	74	71.53	82.43
84	GCDW1	OTX	APR-SEP	COLUMBIA - GRAND COULEE DAM	49545	52533	85	57288	61483
85	FCFM8	MSO	APR-SEP	NF FLATHEAD - NEAR COLUMBIA FALLS	1205	1310	75	1554	1750
86	ESTO3	PQR	APR-SEP	CLACKAMAS - AT ESTACADA	531	563	77	658	733
87	ENVI1	OTX	APR-SEP	NF COEUR D ALENE - AT ENAVILLE	490	528	71	646	743
88	EMMI1	BOI	APR-SEP	PAYETTE - NEAR EMMETT	1425	1504	114	1661	1325
89	EGCO3	BOI	APR-SEP	EAGLE CREEK - ABOVE SKULL CK	167	179	103	194	174
90	EASI1	OTX	APR-SEP	MOYIE - AT EASTPORT	253	279	71	360	395
91	DWRI1	MSO	APR-SEP	NF CLEARWATER - DWORSHAK DAM	1958	2087	80	2403	2620
92	DRSW1	SEW	APR-SEP	DUNGENESS - NEAR SEQUIM	123	130	89	144	145
93	DRBI1	BOI	APR-SEP	DEADWOOD - BELOW DEADWOOD RES	155	163	121	178	135
94	DONO3	BOI	APR-SEP	DONNER UND BLITZEN - NR FRENCHGLEN	69.55	74.49	119	82.24	62.51
95	DCDQ2	CAN	APR-SEP	DUNCAN - DUNCAN DAM	1800	1932	87	2040	2224
96	DARM8	MSO	APR-SEP	BITTERROOT - NEAR DARBY	337	398	77	493	519
97	CSCI1	BOI	APR-SEP	NF PAYETTE - CASCADE DAM	522	546	112	594	487
98	CONW1	SEW	APR-SEP	SKAGIT - NEAR CONCRETE	4348	4635	78	5206	5955
99	COEI1	OTX	APR-SEP	COEUR D ALENE - COEUR D ALENE LAKE	1743	1844	74	2197	2504
100	CLEW1	PDT	APR-SEP	CLE ELUM - NEAR ROSLYN	266	278	66	307	419
101	CLDI1	OTX	APR-SEP	ST JOE - AT CALDER	899	954	84	1097	1138
102	CIBW1	OTX	APR-SEP	COLUMBIA - AT INTL BOUNDARY	45307	47772	84	51951	56951
103	CHEI1	PIH	APR-SEP	FALL RIVER - NEAR CHESTER	298	330	87	394	377
104	CHDW1	OTX	APR-SEP	CHELAN - LAKE CHELAN DAM	661	715	63	761	1139
105	CFMM8	MSO	APR-SEP	FLATHEAD - AT COLUMBIA FALLS	4424	4827	86	5630	5634
106	CASW1	PQR	APR-SEP	COWLITZ - AT CASTLE ROCK	1801	1887	75	2271	2504
107	CABI1	OTX	APR-SEP	CLARK FORK - CABINET GORGE DAM	8796	9652	83	11303	11639
108	BUSO3	BOI	APR-SEP	SILVIES - NEAR BURNS	167	168	235	170	71.47
109	BUMW1	PDT	APR-SEP	BUMPING - BELOW BUMPING DAM	106	111	89	118	125
110	BRNI1	BOI	APR-SEP	SNAKE - BROWNLEE DAM	5865	6150	96	6696	6398
111	BONO3	PQR	APR-SEP	COLUMBIA - BONNEVILLE DAM	76631	81449	86	88101	95202
112	BONM8	MSO	APR-SEP	BLACKFOOT - NEAR BONNER	561	616	69	757	891
113	BITM8	MSO	APR-SEP	BITTERROOT - NEAR MISSOULA	974	1094	85	1321	1289
114	BIRQ2	CAN	APR-SEP	COLUMBIA - AT BIRCHBANK	33598	35436	83	38188	42578
115	BFEI1	OTX	APR-SEP	KOOTENAI - AT BONNERS FERRY	5898	6363	75	7569	8463
116	BEUO3	BOI	APR-SEP	NF MALHEUR - AT BEULAH	97.68	98.28	166	100	59.29
117	BELM8	MSO	APR-SEP	CLARK FORK - BELOW MISSOULA	1890	2135	74	2623	2893
118	ARDQ2	OTX	APR-SEP	COLUMBIA - ARROW LAKES (HUGH KEENLEYSIDE DAM)	19599	20671	86	22371	24059
119	ARAI1	BOI	APR-SEP	SF BOISE - ANDERSON RANCH DAM	413	443	89	495	495
120	ANTI1	PIH	APR-SEP	HENRYS FORK - AT ST. ANTHONY	618	683	86	790	794
121	AMFI1	PIH	APR-SEP	SNAKE - AT AMERICAN FALLS DAM	1887	2207	84	2855	2624
122	ALFW1	OTX	APR-SEP	PEND OREILLE - ALBENI FALLS DAM	10607	11423	86	13595	13347
123	ABOM8	MSO	APR-SEP	CLARK FORK - ABOVE MISSOULA	951	1082	69	1358	1571
124	ABBM8	MSO	APR-SEP	CLARK FORK - ABOVE BLACKFOOT	390	458	67	618	680

Link to main Northwest River Forecast Center (NWRFC) web site

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