Volume 20 Number 12 DECEMBER 2007

DECEMBER 2007

* Complete temperature data were unavailable. Temperatures are rounded to the nearest whole degree.

*HDD - Heating degree-day: Refer to the Monthly Average chart for a definition T = Trace (<0.005")

*CDD - Cooling degree-day: Refer to the Monthly Average chart for a definition M: Information not available.

(departures are based on 1971-2000 normals) ##### indicates 0 %

CLIMATIC AVERAGES FOR JANUARY

Records are at the current site, other records may have occurred at previous sites.

*CDD - Cooling degree-day: The difference between the mean individual daily temperature and 65°F, with one

CDD resulting for each degree above the standard 65°F during one day.

*HDD - Heating degree-day: The difference between the mean individual daily temperature and 65°F, with one

HDD resulting for each degree below the standard 65°F during one day.

Agricultural Weather Highlights

http://agnews.tamu.edu/dailynews/stories/CROP/

Past Weather Events in January

January 10-12, 1918: Blizzard. This was the most severe since February, 1899; it was accompanied by zero degree temperature in North Texas and temperatures from 7 to 12 degrees below freezing along the lower coast.

January 4, 1929: Tornado. Near Bay City, Matagorda County. Five killed, 14 injured.

January 4, 1946: Tornado. Near Lufkin, Angelina County and Nacogdoches, Nacogdoches County; 13 killed, 250 injured; damage $2,050,000.

Tornado. Near Palestine, Anderson County; 15 killed, 60 injured; damage $500,000.

January 25, 1965: Dust Storm. West Texas. The worst dust storm since February 1956 developed on the southern High Plains. Winds, gusting up to 75 mph at Lubbock, sent dust billowing up to 31,000 feet in the area from the Texas-New Mexico border eastward to a line from Tulia to Abilene. Visibility was reduced to 100 yards in some sections. Worst hit were Muleshoe, Seminole, Plains, and Morton on the South Plains. The rain gauge at Reese Air Force Base in Lubbock contained 3 inches of fine sand.

January 31-February 1, 1975: Flooding. Nacogdoches County. Widespread heavy rain caused flash flooding here, resulting in three deaths; damage over $5.5 million.

January 12-13, 1985: A record-breaking snowstorm struck West and South Central Texas with up to 15 inches of snow that fell at many locations between San Antonio and the Rio Grande. San Antonio recorded 13.2 inches of snow for January 12 (the greatest in a day) and 13.5 inches for the two-day total. Eagle Pass recorded 14.5 inches of snow.

January 22, 1999: Golf ball- and softball-sized hail fell in the Bryan/College Station area resulting in $10 million in damage to cars, homes and offices.

January 1-31, 2001: United States Department of Agriculture Farm Service Agency received a Presidential Disaster Declaration in December 2000. This declaration was issued for the persistent drought conditions in Deep Southern Texas. $125 million in damage was reported in the region.

Dr. John Nielsen-Gammon (State Climatologist)

Adam Wiley (Undergraduate Assistant)