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December 2014 - Report and Summary

by Robert K. Peters, Ph.D. - National Weather Service Cooperating Observer

The year 2014 saw near normal temperatures and near normal precipitation. The year's average temperature was 65.4 deg., which was 0.2 deg. Cooler than normal, and 0.6 deg. Cooler than 2013. Precipitation was 44.27 inches, which was 2.36 inches below normal, and 6.58 inches less than in 2014. The highest temperature in 2014 was 98 on July 13, while the coldest was 15 on January 6. The growing season lasted 251 days six days longer than normal. It began March 7 and ended November 13. The warm season was 128 days 17 days shorter than normal. It began June 4 and ended October 10 the first and last occurrences of 90-degree high temperatures. March 5 saw a monthly record low maximum temperature of 25.

December 2014 was warmer and drier than normal. The thirty-day outlook for December 2014 had called for below normal temperatures and above normal precipitation. When revised on November 30, it called for below normal temperatures and near normal precipitation. Compared with December 2013, the month was 5.0 deg. Warmer, and 1.10 inches drier.

The first half of the month saw temperatures averaging about five degrees above normal. There were no major cold fronts.

Storm systems on the 5th, 12th-13th, and 14th brought rain. Cooling followed each storm for a few days, followed by warming back to above normal temperatures.

Temperatures during the third week of the month went back to normal levels, with below normal temperatures for the last several days of December.

Storm systems on the 17th, 23rd, and 26th brought rain. The cloud cover, persistent behind the last two, held down temperatures. Modified Arctic air moved into the region with the system of the 23rd, and strong reinforcements of Arctic air on the 27th and 31st.

The reporting period for temperatures and phenomenon on each day is for the twenty-four hours ending at midnight hours GMT--6 p.m. CST and 7 p.m. CDT. The reporting period for precipitation is for the twenty-four hours ending at noon GMT--6 a.m. CST and 7 a.m. CDT. All times are given using the twenty-four hour clock, and are expressed in Greenwich Mean Time.

Observations are from NWS Station 41/9207/4 in Tyler, Texas. The term "normal" refers to averages from the standard climatic period 1971-2000.

DECEMBER 2014

MX MN OBS PCPN REMARKS

DECEMBER 2014, RECORDS AND SUMMARY:

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