Southern California Rainfall Totals - How snowpack and reservoir levels as of jan. The shaded areas show normal reservoir levels. Average for seasons 1944 through 2025: * average as calculated over all years of available rainfall data. Monthly precipitation summary monthly precipitation summary only (by hydrologic area. ) Los angeles — 2023 is off to a wet start in southern california. Two atmospheric rivers soaked the region in the span of days, bringing with them mass flooding, power outages. Lea esta historia en español. A remarkably wet kickoff to northern california’s rainy season has coincided with a desperately dry fall in southern california — a huge disparity,. Monthly precipitation summary monthly precipitation summary only (by hydrologic area. ) California has seen this pattern before. In both 2025 and 2025, the january snowpack was well above average thanks to december storm activity, only for dry conditions. List of total annual rainfall at cities in california, including average yearly precipitation and days of wet weather for places throughout the state. California’s climate crisis puts the spotlight on a troubling trend: The rapid alternation between extreme wet and dry conditions, known as “hydroclimate whiplash. ” a recent study.
How snowpack and reservoir levels as of jan. The shaded areas show normal reservoir levels. Average for seasons 1944 through 2025: * average as calculated over all years of available rainfall data. Monthly precipitation summary monthly precipitation summary only (by hydrologic area. )