Although some improvement in rainfall came in May of
2006, most of the area continued to be dry, and the month was again warmer than
normal for Central and South Central Texas.
May monthly rainfall ended
up showing more rain from the northeast to the southeast part
of the area, where some locations had near to slightly above normal rain for
May, while the west, northwest and southwest part of the area had below normal
rain for May.
Rainfall from late April 2006 carried over to the first 9 days
of May 2006, briefly improving the drought situation
that has been ongoing for a little more than a year,
since April of 2005. Rains returned the afternoon
and evening of the 14th, and at the end of the month from the 27th to 31st.
See May 2006 Monthly Rainfall
Map
May 2006 rain at several locations is listed below.
AUSTIN MABRY........ 5.27 INCHES...0.24 INCHES ABOVE NORMAL
AUSTIN BERGSTROM.... 4.98 INCHES...0.14 INCHES BELOW NORMAL
DEL RIO............. 1.83 INCHES...0.48 INCHES BELOW NORMAL
SAN ANTONIO......... 3.80 INCHES...0.92 INCHES BELOW NORMAL
BURNET.............. 3.00 INCHES...1.58 INCHES BELOW NORMAL
HONDO............... 1.90 INCHES...1.88 INCHES BELOW NORMAL
NEW BRAUNFELS....... 1.98 INCHES...3.03 INCHES BELOW NORMAL
ROCKSPRINGS......... 0.70 INCHES...2.53 INCHES BELOW NORMAL
KERRVILLE........... 1.67 INCHES...2.57 INCHES BELOW NORMAL
FREDERICKSBURG...... 4.61 INCHES...0.32 INCHES ABOVE NORMAL
In the ongoing drought that continued in May 2006, the cumulative 12
month rainfall statistics continued to show the dry trend.
May 2006 has been the 14th month in a row of
below normal rain at San Antonio. The last month
with above normal rain at San Antonio was March 2005, with 2.00 inches.
THE RAINFALL PERSPECTIVE...FROM A JUNE 1ST TO MAY 31ST VIEW...
CONTINUES TO SHOW DRY CONDITIONS FROM JUNE 1ST...2005 THROUGH
MAY 31ST...2006.
FROM JUNE 1ST...2005 TO MAY 31ST...2006 SAN ANTONIO HAD ONLY
14.49 INCHES OF RAIN. OF THE DRIEST JUNE 1ST TO MAY 31ST PERIODS
SINCE 1885...THIS WAS THE 6TH DRIEST IN 121 YEARS. THE 10 DRIEST
JUNE 1ST TO MAY 31ST TIME PERIODS AT SAN ANTONIO FOLLOWS.
San Antonio Area (ThreadEx Station)
Extremes
Lowest Total Precipitation (inches)
Days: 6/1 - 5/31
Length of period: 365 days
Years: 1885-2006
Rank Value Ending Date
1 12.37 5/31/1971
2 13.21 5/31/1898
3 13.50 5/31/1939
4 13.91 5/31/1956
5 14.02 5/31/1925
6 14.49 5/31/2006
7 15.52 5/31/1918
8 15.80 5/31/1967
9 15.86 5/31/1948
10 16.44 5/31/1894
FROM JUNE 1ST...2005 TO MAY 31ST...2006 AUSTIN BERGSTROM HAD ONLY
20.59 INCHES OF RAIN. OF THE DRIEST JUNE 1ST TO MAY 31ST PERIODS
SINCE 1943...THIS WAS THE 8TH DRIEST IN 63 YEARS. THE 10 DRIEST
JUNE 1ST TO MAY 31ST TIME PERIODS AT AUSTIN BERGSTROM FOLLOWS.
Austin-Bergstrom Airport Area (ThreadEx Station)
Extremes
Lowest Total Precipitation (inches)
Days: 6/1 - 5/31
Length of period: 365 days
Years: 1943-2006
Rank Value Ending Date
1 13.65 5/31/1971
2 14.97 5/31/1948
3 15.95 5/31/1955
4 16.71 5/31/1978
5 18.10 5/31/1949
6 18.22 5/31/1956
7 18.66 5/31/1964
8 20.59 5/31/2006
9 23.06 5/31/1994
10 23.78 5/31/1951
JUNE 1, 2005 TO MAY 31, 2006 WAS NOT IN THE TOP 10 DRIEST
FOR AUSTIN MABRY OR DEL RIO.
Like most of Year 2006, May was warmer than normal.
May 2006 ended up the 9th warmest
at San Antonio with 79.0 degrees, and the 10th warmest at Del Rio,
with 81.1 degrees. May 2006 tied May 1995 for the 23rd warmest
at Austin Bergstrom, with 76.7 degrees, and tied with May 1855 for the
25th warmest May at Austin Mabry, with 77.2 degrees.
The average highs for May 2006 were unusually warm to hot also. The average May high in 2006
of 91.6 at San Antonio was the 3rd highest of record
for May at San Antonio since 1885. The average May high at
Del Rio of 93.8 this year was the 4th highest May average high since 1906
at Del Rio. At Austin Bergstrom the average May high of
89.7 was the 6th warmest average high since 1943 at Austin Bergstrom.
RECORD DAILY HIGHS IN MAY 2006 ARE LISTED BELOW.
May 9...
DEL RIO 103 IN 2006 BROKE THE OLD RECORD OF 102 1967
May 19...
AUSTIN BERGSTROM 97 IN 2006 BROKE THE OLD RECORD OF 96 IN 2003.
May 25...
AUSTIN BERGSTROM 95 IN 2006 TIED THE HIGH OF 95 SET IN 1955
May 26...
AUSTIN BERGSTROM 96 IN 2006 TIED THE HIGH OF 95 SET IN 1963
May 27...
AUSTIN BERGSTROM 97 IN 2006 BROKE THE OLD RECORD OF 96 IN 1958
SAN ANTONIO 98 IN 2006 TIED THE HIGH OF 98 SET IN 1927
So far in Year 2006, the average temperature for the first 5 months of
2006, from January to May, shows this period as one
of the warmer first 5 months of any year on record.
The warmth for the year has added to the dryness, as
evaporation rates have been more than usual. The period
from January 1st to May 31st of 2006 had the warmest average
temperature over that time span
at San Antonio since 1885. It was the
2nd warmest at Austin Mabry since 1854 and 2nd warmest
at Del Rio since 1906.
The warmest periods from January to May
at Austin, San Antonio and
Del Rio follows.
Austin Area (ThreadEx Station)
Extremes
Highest Average January to May Temperature (degrees F)
Days: 1/1 - 5/31
Length of period: 151 days
Years: 1854-2006
Rank Value Ending Date
1 66.6 5/31/2000
2 66.2 5/31/2006
2 65.7 5/31/1999
4 65.5 5/31/1990
5 65.1 5/31/1890
Ending Date is the last day of the 151-day period.
Del Rio Area (ThreadEx Station)
Extremes
Highest Average January to May Temperature (degrees F)
Days: 1/1 - 5/31
Length of period: 151 days
Years: 1906-2006
Rank Value Ending Date
1 69.6 5/31/2000
2 67.8 5/31/2006
3 67.5 5/31/1907
4 67.2 5/31/1953
5 67.1 5/31/1999
Ending Date is the last day of the 151-day period.
San Antonio Area (ThreadEx Station)
Extremes
Highest Average January to May Temperature (degrees F)
Days: 1/1 - 5/31
Length of period: 151 days
Years: 1885-2006
Rank Value Ending Date
1 67.5 5/31/2006
2 67.0 5/31/1927
3 66.9 5/31/2000
4 66.3 5/31/1925
5 66.2 5/31/1933
Ending Date is the last day of the 151-day period.
A brief summary of May weather events follows.
Severe weather events in May 2006 came on the 2nd,
4th, 5th, 6th, 7th, 8th, 9th, 14th, 29th and 30th.
May 2006 began with the promise of rains, as the
2nd to the 9th of the month had showers and thunderstorms in the area.
The
brief stormy and wet pattern began to
fade quickly around the 10th, yet a brief return of
thunderstorms came Sunday afternoon and evening the 14th.
The dry pattern came back the 15th. Two relatively robust
cold fronts moved through the area in May of 2006.
The first cold front was on the
10th,
and the second cold front arrived on the afternoon and evening of the 14th.
After the second cold front,
the week
of the 15th to 19th brought dry conditions,
with unusually low humidifies for May.
Extremes between daily lows and highs was observed. By the 19th
afternoon highs warmed to the upper 90s to near 100.
Southeasterly winds moderated daytimes highs the 20th and 21st,
and moisture increased to summer like levels the week of the
22nd to the 26th. Daily lows and highs were like
July and August. Afternoons began to heat up again
on the 27th to where they were on May 19th.
Scattered showers and thunderstorms returned the night of the 27th to early
morning of the 28th, and again in the day and afternoon of the 29th to
the 31st.
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