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The most precipitation on average occurs in August.

Community Focus

Local Guides - Weather

Current Conditions and Forecasts

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Climate

Arizona Climate Summaries
Covering more than 200 cities, towns and locations in Arizona.
Climate Diagnostic Center
Includes climate maps for entire U.S.(from 1895 to the present), a glossary and list of related climate and educational websites; part of NOAA (National Oceanic and Atmospheric Administration).
Global Change
Articles, documents, and links on climate changes and ozone depletion.
National Climatic Data Center
Part of the National Weather Service which is part of NOAA (National Oceanic and Atmospheric Administration).
Tucson Climate Data
Includes all-time records, monthly normals and extremes, and monthly climate reports for 1995-1999. Also includes weather information.
World Climate
Contains over 85,000 records of world climate data (historical weather averages) from a wide range of sources.

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Phenomena

El Niño Theme Page
From NOAA (National Oceanic and Atmospheric Administration).
FEMA (Federal Emergency Management Agency)
Government agency charged with disaster preparedness and relief.
Flash Flood
Flood types, preparation, safety rules, etc.
National Hurricane Center
Everything to do with hurricanes and tropical storms
Pima County Flood Control District
Regional flood control agency charged with minimizing flood and erosion damages to Pima County residents, property and infrastructure.
Tornado Project
Everything to do with twisters

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Sunrise/Sunset

Astronomical Applications
Astronomical data on sunrise, sunset, moonrise, moonset, eclipses, major solar system bodies, bright stars, etc. from the U.S. Naval Observatory.

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