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April 2012 - Report and Summary

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

The month of April 2012 was warmer than normal, but saw near normal rainfall.

Compared with April 2011, the month was 0.7 deg. Cooler, and 0.66 inch drier.

Year-to-date rainfall through month's end was 5.68 inches greater in 2012 than in 2011. The easing of drought conditions, which commenced last Winter, continued through April. The first half of the month was wet, though the last half was virtually rain-free. The thirty-day outlook had called for above normal temperatures and below normal precipitation.

The month began warm, with a storm system crossing between the 2nd and 4th bringing widespread rainfall and a few reports of severe weather.

Mild and dry weather was present under surface and upper air high pressure between the 5th and 10th.

Temperatures were well above normal between the 11th and 14th, with a system on the 11th resulting in light rainfall mounts.

A system on the 14th brought more light rain, with cooler temperatures and dry conditions through the 19th.

A reinforcing cold front on the 20th brought temperatures below normal, and kept comfortable readings until temperatures rose again on the 25th. At that point, temperatures went back above normal, where they stayed through month's end thanks to a persistent upper air high pressure ridge.

Conditions were dry from the 21st through month's end. Light rain accompanied the reinforcing front of the 20th, though a few light sprinkles occurred on the morning of the 30th.

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.

APRIL 2012

MX MN OBS PCPN REMARKS

APRIL 2012, RECORDS AND SUMMARY:

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