February ended up drier than usual for February, as the area
continued in a severe drought. A few significant measures
of rainfall deficits across the area showed up by Feburary 28th, 2006.
In the past 50 to 60
years this has been one of the drier winters of record.
From December 1st, 2005 to February 28th, 2006 this has
been the 4th driest 90 day stretch for San Antonio from
1946 to 2006; the 3rd driest for Austin Bergstrom 1948 to 2006;
the 12th driest for Austin Mabry/Mueller 1930 to 2006; and the
5th driest 90 day December 1st to February 28th for Del Rio
from 1963 to 2006.
December 1st to February 28th rainfall rankings follow:
AUSTIN MABRY/MUELLER MUNICIPAL AP (KATT)
Extremes
Lowest Total Precipitation (inches)
Days: 12/1 - 2/28
Length of period: 90 days
Years: 1930-2006
Rank Value Ending Date
1 0.37 2/28/1971
2 0.65 2/28/1996
3 0.84 2/28/1952
4 1.38 2/28/1982
5 1.78 2/28/1999
6 1.79 2/28/1962
7 1.87 2/28/1988
8 2.48 2/28/1984
9 2.49 2/28/1943
10 2.55 2/28/1967
11 2.65 2/28/1986
12 2.78 2/28/2006
Ending Date is the last day of the 90-day period.
AUSTIN-BERGSTROM INTERNATIONAL (KAUS)
Extremes
Lowest Total Precipitation (inches)
Days: 12/1 - 2/28
Length of period: 90 days
Years: 1948-2006
Rank Value Ending Date
1 1.59 2/28/1952
2 1.63 2/28/1971
3 1.88 2/28/2006
Ending Date is the last day of the 90-day period.
DEL RIO INTERNATIONAL AP (KDRT)
Extremes
Lowest Total Precipitation (inches)
Days: 12/1 - 2/28
Length of period: 90 days
Years: 1963-2006
Rank Value Ending Date
1 0.05 2/28/1974
2 0.13 2/28/1971
3 0.23 2/28/1999
4 0.32 2/28/1967
5 0.35 2/28/2006
Ending Date is the last day of the 90-day period.
SAN ANTONIO INTL AP (KSAT)
Extremes
Lowest Total Precipitation (inches)
Days: 12/1 - 2/28
Length of period: 90 days
Years: 1946-2006
Rank Value Ending Date
1 0.30 2/28/1971
2 0.44 2/28/1999
3 0.64 2/28/1996
4 1.07 2/28/2006
Ending Date is the last day of the 90-day period.
The 12 consecutive month period from
March 1st, 2005 to February 28th, 2006 still
tells of dry rainfall for Austin and San Antonio.
At San Antonio March 1st, 2005 to February 28th, 2006 is the
2nd driest March 1st to February 28th period from 1885 to 2006;
the 6th driest for Austin Bergstrom from 1943 to 2006; and
the 9th driest for Austin Mabry from 1856 to 2006.
At San Antonio from March 1st, 2005 to February 28, 2006, only 12.92 inches of
rain has fallen. This is the 2nd driest March
1st, to February 28th period from 1885 to 2006.
SAN ANTONIO INTL AP (KSAT)
Extremes
Lowest Total Precipitation (inches)
Days: 3/1 - 2/28
Length of period: 365 days
Years: 1885-2006
1 9.87 3/01/1917 to 2/28/1918
2 12.92 3/01/2005 to 2/28/2006
3 15.69 3/01/1956 to 2/28/1957
4 15.77 3/01/1909 to 2/28/1910
5 15.84 3/01/1897 to 2/28/1898
At Austin Mabry from March 1st, 2005 to February 28, 2006, only 20.56 inches of
rain has fallen. This is the 9th driest March
1st, to February 28th period from 1856 to 2006.
AUSTIN MABRY/MUELLER MUNICIPAL AP (KATT)
Extremes
Lowest Total Precipitation (inches)
Days: 3/1 - 2/28
Length of period: 365 days
Years: 1856-2006
Rank Value Ending Date
1 15.71 3/01/1956 to 2/28/1957
2 16.22 3/01/1954 to 2/28/1955
3 17.92 3/01/1963 to 2/29/1964
4 18.01 3/01/1917 to 2/28/1918
5 19.21 3/01/1901 to 2/28/1902
6 19.51 3/01/1878 to 2/28/1879
7 19.84 3/01/1955 to 2/29/1956
8 20.14 3/01/1977 to 2/28/1978
9 20.56 3/01/2005 to 2/28/2006
At Austin Bergstrom from March 1st, 2005 to February 28, 2006, only 17.47 inches
of rain has fallen. This is the 6th driest March
1st, to February 28th period from 1943 to 2006.
AUSTIN-BERGSTROM INTERNATIONAL (KAUS)
Extremes
Lowest Total Precipitation (inches)
Days: 3/1 - 2/28
Length of period: 365 days
Years: 1943-2006
Rank Value Ending Date
1 12.04 3/01/1947 to 2/29/1948
2 14.59 3/01/1956 to 2/28/1957
3 15.21 3/01/1954 to 2/28/1955
4 17.02 3/01/1963 to 2/29/1964
5 17.23 3/01/1955 to 2/29/1956
6 17.47 3/01/2005 to 2/28/2006
At Del Rio from March 1st, 2005 to February 28, 2006, 18.93 inches of rain
has fallen. This is not in the top 10 driest
March 1st to February 28th periods from 1906 to 2006.
DEL RIO INTERNATIONAL AP (KDRT)
Extremes
Lowest Total Precipitation (inches)
Days: 3/1 - 2/28
Length of period: 365 days
Years: 1906-2006
Rank Value Ending Date
1 4.84 3/01/1956 to 2/28/1957
2 6.60 3/01/1933 to 2/28/1934
3 7.55 3/01/1917 to 2/28/1918
4 7.76 3/01/1952 to 2/28/1953
5 8.83 3/01/1938 to 2/28/1939
February 2006 brought more extremes in temperature and moisture than
January. The coldest weather since early to mid December 2005 came
in February, and one stretch of cold days from the
18th to the 19th established some record low or cold daily highs
at Austin and San Antonio.
After a warm beginning, it turned cooler in the day of Friday
the 10th, then colder Saturday February 11th. Lows dropped
to the teens in the hill country to 20s over South Central
Texas on the 12th. The night was nearly as cold for lows on
the 13th, as lows in the 20s to near 30 prevailed. After
a warming trend that sent highs into the 80s on the 16th,
much colder weather came the 17th.
A cloudy, cold weekend
came the 18th and 19th, with winter precipitation falling
over parts of the area on the evening of the 18th and night
to early morning of the 19th.
COLD TEMPERATURES FEBRUARY 18TH AND 19TH SET A FEW RECORDS FOR THE
COLDEST DAYTIME HIGHS...ON SATURDAY THE 18TH AT SAN ANTONIO AND ON
SUNDAY THE 19TH AT AUSTIN. THE LIST BELOW SHOWS THE COLDEST DAYTIME
HIGHS FOR FEBRUARY 18TH AND 19TH.
SAN ANTONIO 39 FEB. 18...2006 39 FEB. 19...1942
DEL RIO 42 FEB. 18...1936 45 FEB. 19...1921
AUSTIN MABRY 37 FEB. 18...1936 37 FEB. 19...2006
AUSTIN BERGSTROM 39 FEB. 18...1979 38 FEB. 19...2006
It slowly warmed up the following
week with only light precipitation, a 2 mornings of
fog on February 21st and 22nd.
A period of rain the night of the 24th and day of
the 25th helped the dryness some, and was the best rain
for the area since
October and the night of November 25 to early morning
November 26.
February 2006 rain at Austin, Del Rio and San Antonio follows:
AUSTIN MABRY........ 0.89 INCHES...1.10 INCHES BELOW NORMAL
AUSTIN BERGSTROM.... 1.06 INCHES...0.96 INCHES BELOW NORMAL
DEL RIO............. 0.04 INCHES...0.92 INCHES BELOW NORMAL
SAN ANTONIO......... 0.62 INCHES...1.13 INCHES BELOW NORMAL
THE 0.04 INCHES AT DEL RIO WAS THE 13TH DRIEST FEBRUARY FOR
DEL RIO FROM 1906 TO 2006. THE DRIEST FEBRUARYS FOR DEL RIO
IS LISTED BELOW.
1. 0.00 FEBRUARY 1925
1. 0.00 FEBRUARY 1974
3. 0.01 FEBRUARY 1916
3. 0.01 FEBRUARY 1930
3. 0.01 FEBRUARY 1936
3. 0.01 FEBRUARY 1954
3. 0.01 FEBRUARY 1976
8. 0.02 FEBRUARY 1910
8. 0.02 FEBRUARY 1920
8. 0.02 FEBRUARY 1999
8. 0.02 FEBRUARY 2002
12. 0.03 FEBRUARY 1907
13. 0.04 FEBRUARY 1926
13. 0.04 FEBRUARY 2006
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