Temperature Trends Brownsville, Harlingen, McAllen, in 2010 The following charts depict the general trend of 2010, which began with a moderate El Niño leading to generally above average precipitation, particularly in February, and extensive cloud cover and cooling fronts to maintain below average temperatures through winter and early spring. A return to above average temperatures arrived by mid spring, continuing through the rest of the year but punctuated briefly in July when residual ground moisture associated with Hurricane Alex and Tropical Depression Number 2 may have contributed to near to slightly below average temperatures. The rapid development of La Niña in late summer and autumn turned the spigot off at the end of September; despite frequent cooling fronts, abundant sunshine and drying ground helped boost temperatures to well above average on many days in November and December. |
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