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2013 WY Precipitation Summary
provided by the California Cooperative Snow SurveysFor 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% |