State
River Basin
|
Snow Water
Equivalent |
Water Year-to-Date
Precipitation |
# of
Sites |
Percent of
Median |
# of
Sites |
Percent of
Median |
|
ALASKA
|
|
ANCHORAGE/SHIP CREEK BASIN
|
4/4
|
*
|
4/4
|
94
|
|
SUSITNA BASIN
|
2/5
|
*
|
3/5
|
87
|
|
NORTHERN KENAI MOUNTAINS
|
6/7
|
409*
|
6/7
|
91
|
|
SOUTHERN KENAI
|
3/6
|
*
|
5/6
|
98
|
|
COPPER BASIN
|
2/3
|
*
|
2/3
|
97
|
|
PRINCE WILLIAM SOUND
|
1/7
|
*
|
3/7
|
94
|
|
CHENA BASIN
|
5/7
|
*
|
6/7
|
105
|
|
UPPER TANANA
|
2/4
|
*
|
2/4
|
114
|
|
KOYUKUK BASIN
|
2/6
|
*
|
4/6
|
89
|
|
CENTRAL YUKON BASIN
|
0/5
|
*
|
2/5
|
77
|
|
NORTON SOUND
|
0/4
|
*
|
2/4
|
101
|
|
KUPARUK-SAGAVANIRKTOK RIVER BASIN
|
0/3
|
*
|
3/3
|
85
|
|
NORTHWEST ARCTIC RIVER BASIN
|
1/1
|
*
|
1/1
|
82
|
|
SOUTHEAST ALASKA BASIN
|
1/3
|
*
|
2/3
|
127
|
|
ARIZONA
|
|
VERDE RIVER BASIN
|
9/10
|
*
|
8/10
|
58
|
|
SAN FRANCISCO PEAKS
|
1/1
|
*
|
1/1
|
71
|
|
CENTRAL MOGOLLON RIM
|
4/4
|
*
|
3/4
|
52
|
|
LITTLE COLORADO RIVER BASIN
|
11/11
|
*
|
10/11
|
59
|
|
SALT RIVER BASIN
|
9/10
|
*
|
7/10
|
51
|
|
SAN FRANCISCO / UPPER GILA RIVER BASIN
|
8/8
|
*
|
7/8
|
60
|
|
CHUSKA MOUNTAINS
|
2/2
|
*
|
2/2
|
81
|
|
CALIFORNIA
|
|
NORTHERN GREAT BASIN
|
7/8
|
*
|
7/8
|
79
|
|
TRUCKEE RIVER
|
11/12
|
0*
|
11/12
|
55
|
|
LAKE TAHOE
|
11/11
|
*
|
11/11
|
58
|
|
CARSON RIVER
|
12/12
|
*
|
12/12
|
66
|
|
WALKER RIVER
|
7/7
|
0*
|
7/7
|
65
|
|
COLORADO
|
|
GUNNISON RIVER BASIN
|
15/16
|
*
|
15/16
|
77
|
|
UPPER COLORADO RIVER BASIN
|
32/35
|
0*
|
32/35
|
77
|
|
SOUTH PLATTE RIVER BASIN
|
21/22
|
0*
|
21/22
|
95
|
|
LARAMIE AND NORTH PLATTE RIVER BASINS
|
12/12
|
0*
|
12/12
|
80
|
|
YAMPA AND WHITE RIVER BASINS
|
20/22
|
0*
|
21/22
|
70
|
|
ARKANSAS RIVER BASIN
|
11/11
|
0*
|
11/11
|
96
|
|
UPPER RIO GRANDE BASIN
|
17/20
|
0*
|
18/20
|
93
|
|
SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS
|
20/21
|
0*
|
20/21
|
74
|
|
IDAHO
|
|
NORTHERN PANHANDLE REGION
|
10/10
|
1*
|
9/10
|
78
|
|
COEUR D'ALENE-ST. JOE RIVER BASIN
|
7/7
|
34*
|
7/7
|
82
|
|
CLEARWATER BASIN
|
15/16
|
51*
|
16/16
|
88
|
|
SALMON BASIN
|
20/20
|
0*
|
20/20
|
76
|
|
WEISER BASIN
|
4/4
|
*
|
4/4
|
77
|
|
PAYETTE BASIN
|
12/12
|
0*
|
12/12
|
76
|
|
BOISE BASIN
|
10/11
|
0*
|
10/11
|
76
|
|
BIG WOOD BASIN
|
8/9
|
*
|
8/9
|
66
|
|
LITTLE WOOD BASIN
|
4/5
|
*
|
4/5
|
59
|
|
BIG LOST BASIN
|
5/5
|
*
|
5/5
|
59
|
|
LITTLE LOST
|
3/3
|
*
|
3/3
|
70
|
|
BIRCH, MEDICINE LODGE, BEAVER, CAMAS BASINS
|
4/4
|
*
|
4/4
|
68
|
|
HENRYS FORK, TETON BASINS
|
8/8
|
2*
|
8/8
|
81
|
|
SNAKE BASIN ABOVE PALISADES
|
21/21
|
0*
|
21/21
|
83
|
|
WILLOW, BLACKFOOT, PORTNEUF BASINS
|
6/7
|
*
|
6/7
|
71
|
|
SNAKE BASIN ABOVE AMERICAN FALLS
|
29/29
|
1*
|
29/29
|
79
|
|
RAFT BASIN
|
2/2
|
*
|
2/2
|
70
|
|
GOOSE CREEK BASIN
|
2/2
|
*
|
2/2
|
70
|
|
SALMON FALLS BASIN
|
4/6
|
*
|
4/6
|
72
|
|
BRUNEAU BASIN
|
5/8
|
*
|
5/8
|
72
|
|
OWYHEE BASIN
|
8/12
|
*
|
9/12
|
71
|
|
BEAR RIVER BASIN
|
21/21
|
*
|
21/21
|
72
|
|
MONTANA
|
|
KOOTENAI RIVER BASIN
|
8/8
|
0*
|
8/8
|
87
|
|
FLATHEAD RIVER BASIN
|
14/17
|
61
|
14/17
|
95
|
|
UPPER CLARK FORK RIVER BASIN
|
14/14
|
77*
|
14/14
|
94
|
|
BITTERROOT RIVER BASIN
|
8/8
|
0*
|
8/8
|
97
|
|
LOWER CLARK FORK RIVER BASIN
|
9/9
|
40*
|
9/9
|
81
|
|
JEFFERSON RIVER BASIN
|
19/21
|
14*
|
19/21
|
82
|
|
MADISON RIVER BASIN
|
11/12
|
3*
|
11/12
|
82
|
|
GALLATIN RIVER BASIN
|
7/7
|
4*
|
7/7
|
86
|
|
MISSOURI HEADWATERS
|
31/31
|
7*
|
31/31
|
83
|
|
HELENA VALLEY
|
4/4
|
*
|
4/4
|
86
|
|
SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS
|
7/9
|
0*
|
7/9
|
83
|
|
SUN, TETON AND MARIAS RIVER BASINS
|
5/6
|
0*
|
5/6
|
98
|
|
MISSOURI MAINSTEM RIVER BASIN
|
18/21
|
0*
|
18/21
|
90
|
|
ST. MARYS RIVER BASIN
|
2/2
|
81
|
2/2
|
89
|
|
MILK RIVER BASIN
|
1/1
|
*
|
1/1
|
109
|
|
UPPER YELLOWSTONE RIVER BASIN
|
21/22
|
2*
|
21/22
|
89
|
|
WIND RIVER BASIN (WYOMING)
|
11/13
|
0*
|
11/13
|
94
|
|
SHOSHONE RIVER BASIN (WYOMING)
|
6/6
|
0*
|
6/6
|
91
|
|
BIGHORN RIVER BASIN (WYOMING)
|
24/26
|
0*
|
24/26
|
90
|
|
TONGUE RIVER BASIN (WYOMING)
|
7/7
|
*
|
7/7
|
91
|
|
POWDER RIVER BASIN (WYOMING)
|
7/7
|
*
|
7/7
|
94
|
|
LOWER YELLOWSTONE RIVER BASIN
|
33/35
|
0*
|
33/35
|
92
|
|
NEVADA
|
|
NORTHERN GREAT BASIN
|
7/8
|
*
|
7/8
|
79
|
|
SNAKE RIVER
|
7/11
|
*
|
7/11
|
72
|
|
OWYHEE RIVER
|
6/10
|
*
|
7/10
|
71
|
|
UPPER HUMBOLDT RIVER
|
9/17
|
*
|
10/17
|
75
|
|
LOWER HUMBOLDT RIVER
|
6/10
|
*
|
7/10
|
89
|
|
CLOVER VALLEY & FRANKLIN RIVER
|
5/7
|
*
|
5/7
|
79
|
|
EASTERN NEVADA BASINS
|
5/14
|
*
|
5/14
|
85
|
|
SOUTHERN NEVADA - Spring Mountains
|
3/3
|
*
|
3/3
|
61
|
|
NEW MEXICO
|
|
RIO CHAMA RIVER BASIN
|
4/5
|
*
|
4/5
|
85
|
|
UPPER RIO GRANDE BASIN - New Mexico
|
10/12
|
*
|
10/12
|
88
|
|
SANGRE DE CRISTO MOUNTAIN RANGE BASINS
|
10/11
|
*
|
10/11
|
87
|
|
JEMEZ RIVER BASIN
|
3/4
|
*
|
3/4
|
68
|
|
SAN FRANCISCO RIVER BASIN
|
6/6
|
*
|
5/6
|
61
|
|
GILA RIVER BASIN
|
3/3
|
*
|
3/3
|
66
|
|
MIMBRES RIVER BASIN
|
2/2
|
*
|
2/2
|
58
|
|
PECOS RIVER BASIN
|
3/3
|
*
|
3/3
|
62
|
|
SAN JUAN RIVER BASIN
|
13/13
|
0*
|
13/13
|
77
|
|
ANIMAS RIVER BASIN
|
7/7
|
*
|
7/7
|
70
|
|
CANADIAN RIVER BASIN
|
6/7
|
*
|
6/7
|
96
|
|
ZUNI/BLUEWATER RIVER BASIN
|
1/1
|
*
|
1/1
|
72
|
|
RIO HONDO BASIN
|
1/1
|
*
|
1/1
|
73
|
|
CHUSKA MOUNTAINS
|
2/2
|
*
|
2/2
|
81
|
|
OREGON
|
|
OWYHEE
|
8/12
|
*
|
9/12
|
71
|
|
MALHEUR
|
3/3
|
*
|
3/3
|
77
|
|
GRANDE RONDE, POWDER, BURNT, IMNAHA
|
18/19
|
*
|
18/19
|
87
|
|
UMATILLA, WALLA WALLA, WILLOW
|
10/10
|
*
|
10/10
|
90
|
|
JOHN DAY
|
13/13
|
*
|
13/13
|
81
|
|
UPPER DESCHUTES, CROOKED
|
14/14
|
15*
|
14/14
|
83
|
|
HOOD, SANDY, LOWER DESCHUTES
|
9/10
|
70*
|
9/10
|
93
|
|
COAST RANGE
|
2/2
|
*
|
2/2
|
100
|
|
WILLAMETTE
|
20/23
|
15*
|
20/23
|
87
|
|
ROGUE, UMPQUA
|
12/13
|
16*
|
12/13
|
72
|
|
KLAMATH
|
18/20
|
*
|
18/20
|
65
|
|
LAKE COUNTY, GOOSE LAKE
|
6/7
|
*
|
6/7
|
63
|
|
HARNEY
|
11/12
|
*
|
11/12
|
82
|
|
UTAH
|
|
RAFT RIVER
|
2/2
|
*
|
2/2
|
70
|
|
BEAR RIVER
|
25/26
|
*
|
25/26
|
71
|
|
WEBER-OGDEN RIVERS
|
20/23
|
*
|
20/23
|
70
|
|
PROVO R.-UTAH LAKE-JORDAN R.
|
19/25
|
*
|
19/25
|
70
|
|
TOOELE VALLEY-VERNON CREEK
|
3/4
|
*
|
3/4
|
66
|
|
NORTHEASTERN UINTAHS
|
11/13
|
*
|
11/13
|
82
|
|
DUCHESNE RIVER
|
14/15
|
*
|
14/15
|
70
|
|
PRICE-SAN RAFAEL
|
8/14
|
*
|
8/14
|
65
|
|
DIRTY DEVIL
|
5/9
|
*
|
5/9
|
70
|
|
SOUTH EASTERN UTAH
|
5/11
|
*
|
5/11
|
72
|
|
UPPER SEVIER RIVER
|
17/23
|
0*
|
18/23
|
65
|
|
SAN PITCH RIVER
|
6/12
|
*
|
6/12
|
64
|
|
LOWER SEVIER RIVER
|
3/5
|
*
|
3/5
|
67
|
|
BEAVER RIVER
|
3/3
|
0*
|
3/3
|
72
|
|
ESCALANTE RIVER
|
4/5
|
*
|
4/5
|
62
|
|
SOUTHWESTERN UTAH
|
10/13
|
*
|
10/13
|
60
|
|
WASHINGTON
|
|
SPOKANE
|
9/9
|
34*
|
9/9
|
82
|
|
LOWER PEND OREILLE
|
5/5
|
0*
|
5/5
|
75
|
|
UPPER COLUMBIA
|
7/9
|
167*
|
7/9
|
94
|
|
CENTRAL COLUMBIA
|
11/11
|
77*
|
11/11
|
98
|
|
UPPER YAKIMA
|
6/7
|
*
|
7/7
|
96
|
|
NACHES
|
7/8
|
65*
|
7/8
|
95
|
|
LOWER YAKIMA
|
3/4
|
*
|
3/4
|
73
|
|
KLICKITAT
|
4/5
|
*
|
4/5
|
77
|
|
LOWER SNAKE, WALLA WALLA
|
13/14
|
*
|
13/14
|
88
|
|
LOWER COLUMBIA
|
14/17
|
158*
|
14/17
|
91
|
|
SOUTH PUGET SOUND
|
12/14
|
119*
|
12/14
|
98
|
|
CENTRAL PUGET SOUND
|
8/9
|
210*
|
9/9
|
101
|
|
NORTH PUGET SOUND
|
12/13
|
108
|
11/13
|
97
|
|
OLYMPIC
|
4/4
|
210*
|
4/4
|
92
|
|
WYOMING
|
|
SNAKE RIVER
|
22/22
|
1*
|
22/22
|
82
|
|
MADISON HEADWATERS IN WYOMING
|
4/5
|
0*
|
4/5
|
81
|
|
YELLOWSTONE HEADWATERS IN WYOMING
|
11/12
|
2
|
11/12
|
91
|
|
WIND RIVER
|
9/11
|
0*
|
9/11
|
93
|
|
BIGHORN BASIN
|
11/11
|
0*
|
11/11
|
87
|
|
SHOSHONE RIVER
|
6/6
|
0*
|
6/6
|
91
|
|
POWDER RIVER
|
7/7
|
*
|
7/7
|
94
|
|
TONGUE RIVER
|
7/7
|
*
|
7/7
|
91
|
|
BELLE FOURCHE
|
3/3
|
*
|
3/3
|
78
|
|
CHEYENNE RIVER BASIN
|
2/2
|
*
|
2/2
|
83
|
|
UPPER N. PLATTE
|
19/20
|
1*
|
19/20
|
78
|
|
SWEETWATER
|
3/3
|
*
|
3/3
|
82
|
|
LOWER N. PLATTE
|
4/4
|
*
|
4/4
|
81
|
|
LARAMIE RIVER
|
7/7
|
*
|
7/7
|
89
|
|
S. PLATTE
|
1/1
|
*
|
1/1
|
84
|
|
LITTLE SNAKE RIVER
|
8/9
|
0*
|
8/9
|
73
|
|
UPPER GREEN RIVER
|
14/15
|
0*
|
14/15
|
82
|
|
LOWER GREEN RIVER
|
10/12
|
*
|
10/12
|
85
|
|
UPPER BEAR RIVER
|
12/12
|
*
|
12/12
|
74
|
