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Tucson, Arizona
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El Niño and Monsoon rainfall across SE Arizona
El Niño & Monsoon rainfall across southeast Arizona
El Niño is forecast to develop during meteorological summer. This may have an impact on our summer rainy season across southeast Arizona. This page was set up to compare past Monsoons with El Niño conditions on a localized basis. Clicking a location on the map below (light blue box) will give you an idea how rainfall in that area fared during past Monsoons when influenced by El Niño. Hopefully these numbers show the variability of Monsoon rainfall across southeast Arizona.
CPC 3-month precipitation forecasts
CPC June-July-August precipitation forecast
CPC July-August-September precipitation forecast
Click on images to enlarge
El Niño Watch issued
You can also select a station from this list: Tucson | Ajo | Organ Pipe Nat'l Monument | Kitt Peak | Arivaca | Picacho Peak | Oracle | Kearny | Nogales | Patagonia | Safford | Duncan | Willcox | Benson | Tombstone | Sierra Vista | Corornado Nat'l Memorial | Douglas | Bisbee | Chiricahua Nat'l Monument
El Niño years & Monsoon rainfall across southeast Arizona
Click on year for Monsoon rainfall totals
1951 | 1953 | 1957 | 1958 | 1963 | 1965 | 1968 | 1969 | 1972 | 1982 | 1986 | 1987 | 1991 | 1997 | 2002 | 2004 | 2009
Monsoon start dates during El Niño | County sites listing of below, normal or above
Study: El Niño and La Niña Episodes and Their Impact On The Weather In The Tucson Metropolitan Area (pdf file) - written by Glenn Lader

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