2013 WY Precipitation Summary
provided by the California Cooperative Snow Surveys

For the period Oct 1, 2012 to May 31, 2013  
Report generated:  06/13/2013 14:37


Summary By River Basin
                                                            Stations Reporting                                Percent of Historic Average 

River Basin 
Stations 
May 
Oct-May 
May 
Oct-May 
Season 

SMITH RIVER
1
1
1
 84%
 85%
 81%
KLAMATH RIVER
5
5
4
160%
 85%
 78%
TRINITY RIVER
3
3
3
 78%
 76%
 73%
EEL RIVER
4
2
2
 59%
 82%
 78%
RUSSIAN RIVER
4
0
  ----%
  ----%
  ----%
NORTH SF BAY AREA
4
2
2
 97%
 79%
 77%
SOUTH SF BAY AREA
2
2
1
  9%
 84%
 83%
SANTA CRUZ - PAJARO RIVER
3
2
2
  1%
 64%
 62%
SALINAS RIVER
5
2
2
 42%
 65%
 64%
SANTA BARBARA AREA
3
2
2
 52%
 48%
 47%
VENTURA - LOS ANGELES AREA
4
4
4
312%
 51%
 49%
SANTA ANA RIVER
5
4
4
106%
 37%
 36%
SAN DIEGO AREA
5
4
4
171%
 60%
 57%
SACRAMENTO VALLEY FLOOR
9
4
4
 67%
 84%
 82%
UPPER SACRAMENTO RIVER
6
6
6
101%
 86%
 79%
FEATHER RIVER
10
7
7
 55%
 86%
 82%
YUBA - BEAR RIVERS
7
4
4
 55%
 92%
 89%
AMERICAN RIVER
9
7
7
 91%
 79%
 76%
SAN JOAQUIN VALLEY FLOOR
7
4
2
 10%
 64%
 62%
COSUMNES - MOKELUMNE RIVERS
3
1
1
 52%
 78%
 76%
CALAVERAS - STANISLAUS RIVERS
1
1
1
 54%
 72%
 70%
TUOLUMNE RIVER
5
4
4
 44%
 72%
 70%
MERCED - FRESNO RIVERS
4
3
3
 84%
 64%
 61%
SAN JOAQUIN RIVER
4
2
1
 30%
 64%
 62%
TULARE LAKE BASIN FLOOR
7
7
6
 70%
 49%
 48%
KINGS RIVER
2
2
2
 27%
 56%
 55%
KAWEAH RIVER
9
8
8
 85%
 62%
 59%
TULE RIVER
6
5
5
113%
 60%
 58%
KERN RIVER
4
2
2
 61%
 67%
 64%
SURPRISE VALLEY - HONEY LAKE
4
2
2
125%
 94%
 83%
LAKE TAHOE - TRUCKEE RIVER
5
4
4
132%
 71%
 66%
CARSON - WALKER RIVERS
4
2
2
 30%
 70%
 57%
MONO LAKE - OWENS RIVER
9
3
3
 94%
 36%
 32%
DEATH VALLEY
2
2
2
  0%
 52%
 41%
MOJAVE DESERT
4
0
  ----%
  ----%
  ----%
COLORADO DESERT
6
4
3
  0%
 65%
 45%




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

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

NORTH COAST
0.27
5
4
4
17
11
10
95.4%
82%
78%
SAN FRANCISCO BAY
0.03
2
2
2
6
4
3
53.1%
82%
80%
CENTRAL COAST
0.06
3
3
3
11
6
6
31.7%
59%
58%
SOUTH COAST
0.06
3
3
3
14
12
12
196.4%
49%
47%
SACRAMENTO RIVER
0.26
5
5
5
41
28
28
73.8%
85%
82%
SAN JOAQUIN RIVER
0.12
6
6
6
24
15
12
45.6%
69%
67%
TULARE LAKE
0.07
5
5
5
28
24
23
71.2%
59%
57%
NORTH LAHONTAN
0.04
3
3
3
13
8
8
95.6%
78%
69%
SOUTH LAHONTAN
0.06
3
2
2
15
5
5
47.0%
44%
36%
COLORADO RIVER
0.03
1
1
1
6
4
3
0.0%
65%
45%
STATEWIDE weighted average
1.00
36
34
34
175
117
110
77.32%
73.30%
69.38%