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Published July 25, 2011
Temperature(data through 7/20/11)
Data Source(s): High Plains Regional Climate Center
Temperatures since the water year began on October 1 are averaging between 60 and 70 degrees Fahrenheit in the southwest deserts and along the Arizona-California border, mostly 55 to 65 degrees F in southeastern Arizona and along the New Mexico-Mexico border, generally 45 to 55 degrees F in central and northeastern New Mexico, and 40 to 55 degrees F across the Colorado Plateau and the northwestern quarter of New Mexico (Figure 1a). The highest elevations have seen temperature averages between 35 and 45 degrees F. Temperatures are within 1 degree F of average across western Arizona and western New Mexico (Figure 1b). The eastern two-thirds of New Mexico has been 1–4 degrees F warmer than average, while the eastern and southern borders and central Arizona have been 1–2 degrees F warmer than average. Gila County has seen the highest temperatures in Arizona, and Otero, Roosevelt, and Union counties have been the warmest parts of New Mexico.
Temperatures during the past 30 days have been 0–4 degrees F warmer than average across most of Arizona and northwestern New Mexico, and 2–8 degrees F warmer than average across the rest of New Mexico (Figures 1c-d). The warmest areas in New Mexico have been in the northeastern corner and Roosevelt and Santa Fe counties, where temperatures have been 6–8 degrees F above averageNotes:
The water year begins on October 1 and ends on September 30 of the following year. Water year is more commonly used in association with precipitation; water year temperature can be used to measure the temperatures associated with the hydrological activity during the water year.
Average refers to the arithmetic mean of annual data from 1971–2000. Departure from average temperature is calculated by subtracting current data from the average. The result can be positive or negative.
The continuous color maps (Figures 1a, 1b, 1c) are derived by taking measurements at individual meteorological stations and mathematically interpolating (estimating) values between known data points. The dots in Figure 1d show data values for individual stations. Interpolation procedures can cause aberrant values in data-sparse regions.
These are experimental products from the High Plains Regional Climate Center.
Southwest Climate Outlook Staff
- Michael Crimmins, UA Extension Specialist
- Stephanie Doster, Institute of the Environment Editor
- Gregg Garfin, Founding Editor, Institute of the Environment
- Zack Guido, Managing Editor, CLIMAS Associate Staff Scientist
- Nancy J. Selover, Arizona State Climatologist
- Jessica Dollin, CLIMAS Publications Assistant
- Dave Dubois, New Mexico State Climatologist
Please direct your Southwest Climate Outlook comments and suggestions to Zack Guido.
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