A look at SLO County rainfall totals, reservoir levels

April 7, 2024

By KAREN VELIE

Stormy weather last week drenched San Luis Obispo County, again pushing up already above average rainfall totals and reservoir levels.

Climate scientists track rain from July 1 through June 31.

Rainfall totals from July 1 through April 7, along with average yearly rainfall:

Arroyo Grande – 18.53 inches to date – average 14.09 inches

Atascadero – 13.99 inches to date – average 12.06 inches

Lopez Dam – 25.73 inches to date – average 18.48 inches

Los Osos – 20.42 inches to date – average 15.77 inches

Nipomo – 21.53 inches to date – average 12.62 inches

Oceano – 15.59 inches to date – average 12.26 inches

Paso Robles – 19.31 inches to date – average 14.08 inches

Rocky Butte – 68.04 inches to date – average 34.75 inches

San Luis Obispo – 19.79 inches to date – average 16.82 inches

San Simeon – 21.41 inches to date – average 15.12 inches

Santa Margarita – 21.49 inches to date – average 16.96 inches

Shandon – 11.29 inches to date – average 8.44 inches

Templeton – 16.26 inches to date – average 13.05 inches

Current Central Coast major reservoir levels:

• Santa Margarita Lake at 101.9%, SLO County
• Lake Nacimiento at 94%, SLO and Monterey counties
• Lopez Lake at 100.3%, SLO County
• Whale Rock Reservoir at 100%, SLO County
• Cachuma Lake at 100%, Santa Barbara County
• Gibraltar Reservoir 101%, Santa Barbara County
• Jameson Reservoir 100%, Santa Barbara County
• San Antonio Lake at 80%, Monterey County