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May 2018 - Report and Summary

The month of May 2018 was much warmer and much drier than normal. In fact, it was the second warmest and fifth driest May. The thirty-day outlook for May 2018, issued on April 19, called for near normal temperatures and near normal precipitation. When revised on April 30, it called for near normal temperatures and above normal precipitation.

The average temperature was 78.9 F., and rainfall was 0.87 inch. The warmest May was 79.5 in 1896 and 1998, while the driest May was in 1998 with 0.02 inch. Compared with May 2017, the month was 6.5 deg. Warmer and 4.34 inches drier. Year-to-date rainfall was 1.92 inches less in 2018 than in 2017.

The Spring of 2018. Though 0.5 deg. Cooler than Spring 2017 which was the fourth warmest Spring, still saw well above normal temperatures. The mean was 68.4, 2.6 deg. Warmer than normal. Rainfall was 4.11 inches below normal at 7.59 inches. March and May were very warm, while April was cool; March saw near normal rainfall, while April and May saw below normal precipitation.

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.

May 2018



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