2013 WY Precipitation Summary
provided by the California Cooperative Snow Surveys

For the period Oct 1, 2012 to Apr 30, 2013  
Report generated:  05/08/2013 07:48


Summary By River Basin
                                                            Stations Reporting                                Percent of Historic Average 

River Basin 
Stations 
Apr 
Oct-Apr 
Apr 
Oct-Apr 
Season 

SMITH RIVER
1
1
1
 90%
 85%
 77%
KLAMATH RIVER
5
4
3
102%
 83%
 72%
TRINITY RIVER
3
2
2
 60%
 78%
 72%
EEL RIVER
4
3
3
 79%
 79%
 73%
RUSSIAN RIVER
4
1
1
 75%
 91%
 86%
NORTH SF BAY AREA
4
3
2
 70%
 78%
 75%
SOUTH SF BAY AREA
2
2
1
 60%
 86%
 82%
SANTA CRUZ - PAJARO RIVER
3
2
2
 45%
 66%
 62%
SALINAS RIVER
5
3
3
 12%
 58%
 55%
SANTA BARBARA AREA
3
3
3
  7%
 46%
 44%
VENTURA - LOS ANGELES AREA
4
4
4
  2%
 47%
 45%
SANTA ANA RIVER
5
4
4
  2%
 36%
 34%
SAN DIEGO AREA
5
5
5
  4%
 54%
 50%
SACRAMENTO VALLEY FLOOR
9
8
8
110%
 86%
 81%
UPPER SACRAMENTO RIVER
6
6
6
 62%
 84%
 71%
FEATHER RIVER
10
7
7
 32%
 88%
 79%
YUBA - BEAR RIVERS
7
4
4
 44%
 94%
 87%
AMERICAN RIVER
9
10
10
 45%
 77%
 72%
SAN JOAQUIN VALLEY FLOOR
7
5
3
 71%
 74%
 69%
COSUMNES - MOKELUMNE RIVERS
3
3
3
 46%
 76%
 71%
CALAVERAS - STANISLAUS RIVERS
1
1
1
 23%
 73%
 68%
TUOLUMNE RIVER
5
4
4
 41%
 73%
 68%
MERCED - FRESNO RIVERS
4
4
3
 24%
 63%
 58%
SAN JOAQUIN RIVER
4
4
2
 22%
 61%
 56%
TULARE LAKE BASIN FLOOR
7
7
6
  4%
 48%
 45%
KINGS RIVER
2
2
2
 16%
 57%
 54%
KAWEAH RIVER
9
9
9
 24%
 59%
 55%
TULE RIVER
6
6
6
 31%
 59%
 55%
KERN RIVER
4
4
4
 30%
 52%
 48%
SURPRISE VALLEY - HONEY LAKE
4
3
3
 74%
 88%
 71%
LAKE TAHOE - TRUCKEE RIVER
5
5
5
 23%
 71%
 63%
CARSON - WALKER RIVERS
4
2
2
 40%
 74%
 55%
MONO LAKE - OWENS RIVER
9
9
9
 10%
 33%
 28%
DEATH VALLEY
2
2
2
  0%
 55%
 41%
MOJAVE DESERT
4
2
2
  0%
 36%
 29%
COLORADO DESERT
6
3
3
  0%
 66%
 45%




Summary By Hydrologic Region
                                                     Basins Reporting                 Stations Reporting             Percent of Historic Average

Hydrologic Region 
Hydro 
Region 
Weight 
Basins 
Apr 
Oct-Apr 
Stations 
Apr 
Oct-Apr 
Apr 
Oct-Apr 
Wat-Yr 

NORTH COAST
0.27
5
5
5
17
11
10
81.3%
83%
76%
SAN FRANCISCO BAY
0.03
2
2
2
6
5
3
65.0%
82%
78%
CENTRAL COAST
0.06
3
3
3
11
8
8
21.3%
57%
54%
SOUTH COAST
0.06
3
3
3
14
13
13
2.7%
46%
43%
SACRAMENTO RIVER
0.26
5
5
5
41
35
35
58.7%
86%
78%
SAN JOAQUIN RIVER
0.12
6
6
6
24
21
16
38.1%
70%
65%
TULARE LAKE
0.07
5
5
5
28
28
27
21.1%
55%
51%
NORTH LAHONTAN
0.04
3
3
3
13
10
10
45.7%
78%
63%
SOUTH LAHONTAN
0.06
3
3
3
15
13
13
3.5%
41%
33%
COLORADO RIVER
0.03
1
1
1
6
3
3
0.0%
66%
45%
STATEWIDE weighted average
1.00
36
36
36
175
147
138
48.69%
73.22%
66.18%