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Published June 26, 2013
Temperature(data through 6/19/13)
Data Source(s): High Plains Regional Climate Center
Temperatures since the start of the 2013 water year on October 1 have been mostly within 1 degree Fahrenheit of average across the Southwest (Figures 1a–b). The largest temperature anomalies in the region were in the Sangre de Cristo Mountains of northern New Mexico. Although temperatures in the winter were close to average, considerable variability led to large temperature anomalies on weekly timescales, a pattern that is masked in analyses of monthly averages. Also, temperatures in recent months have been much above average in New Mexico, which just recorded its seventh warmest March–May period. Arizona temperatures were near average.
During the past 30 days, temperatures were consistently warmer than average across the Southwest (Figures 1c–d). Scant rain, which is typical for this time of year, and low soil moistures helped drive up temperatures. Above-average temperatures are also consistent with warming trends in recent decades.Notes:
The water year begins on October 1 and ends on September 30 of the following year. As of October 1, 2012, we are in the 2013 water 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 1981–2010. 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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