PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
701 PM CDT SUN MAY 1 2011

...APRIL 2011 WAS THE DRIEST ON RECORD FOR
HOUSTON AND COLLEGE STATION...

...COLLEGE STATION REPORTS WARMEST APRIL ON RECORD...

APRIL 2011 IS ONE FOR THE RECORD BOOKS. THE CITY OF HOUSTON...
COLLEGE STATION AND HOUSTON HOBBY ALL RECORDED THEIR DRIEST APRIL ON
RECORD. COLLEGE STATION AND HOBBY EACH RECORDED A TRACE OF RAIN
DURING THE MONTH AND THE CITY OF HOUSTON RECORDED 0.11 INCHES.
GALVESTON RECORDED 0.12 INCHES OF RAIN WHICH IS THE THIRD DRIEST
APRIL ON RECORD. HERE ARE THE FIVE DRIEST APRILS ON RECORD FOR THE
FOUR PRIMARY CLIMATE SITES:

CITY OF HOUSTON COLLEGE GALVESTON
HOUSTON HOBBY STATION

0.11 2011 T 2011 T 2011 0.00 1984
0.33 1937 0.06 1987 0.08 1984 0.01 1887
0.39 1920 0.16 1983 0.17 2003 0.12 2011
0.43 1983 0.36 1937 0.24 2001 0.19 1906
0.47 1987 0.46 2001 0.30 1944 0.24 1983

IT HAS BEEN EXTREMELY DRY OVER THE LAST THREE MONTHS. THE CITY OF
HOUSTON HAS RECEIVED OVER 1.58 INCHES OF RAIN SINCE FEBRUARY 1ST.
HOBBY AIRPORT HAS ONLY RECEIVED 1.12 INCHES SINCE FEBRUARY 1 AND
COLLEGE STATION HAS RECEIVED ONLY 1.30 INCHES. HERE ARE THE FIVE
DRIEST FEBRUARY THROUGH APRIL PERIODS ON RECORD FOR THE PRIMARY
CLIMATE SITES:

FEBRUARY...MARCH AND APRIL
RAINFALL TOTALS

CITY OF HOUSTON COLLEGE GALVESTON
HOUSTON HOBBY STATION

1.58 - 2011 1.12 - 2011 1.27 - 1916 1.75 - 1916
2.28 - 1916 3.02 - 1996 1.30 - 2011 1.85 - 1925
3.43 - 1996 3.79 - 1954 2.83 - 1972 2.15 - 1981
3.90 - 1920 4.07 - 1963 3.02 - 1943 2.37 - 1939
3.95 - 1910 4.10 - 1989 3.45 - 1971 2.48 - 1953

3.49 - 2011 13TH

THE FOLLOWING COMMUNITIES DID NOT REPORT MEASURABLE RAIN DURING THE
MONTH OF APRIL: BAY CITY...BAYTOWN...COLLEGE STATION...FREEPORT...
HOUSTON HOBBY...KATY...MATAGORDA...SOMERVILLE AND WASHINGTON STATE
PARK. CROCKETT RECEIVED THE GREATEST RAIN DURING THE MONTH WITH
3.28 INCHES. AS GAUDY AS THE CROCKETT RAINFALL TOTAL SOUNDS...IT
IS STILL 0.59 INCHES BELOW NORMAL FOR THE MONTH.

HERE ARE A COUPLE MORE MISCELLANEOUS RAINFALL FACTS...HOUSTON
HOBBY AIRPORT HAS NOW GONE 47 CONSECUTIVE DAYS WITHOUT MEASURABLE
RAIN (MARCH 15 - APRIL 30). THE PREVIOUS RECORD WAS 46 DAYS AND
OCCURRED IN OCT/NOV 1978. THE CITY OF HOUSTON HAS GONE 97
CONSECUTIVE DAYS BETWEEN HALF INCH RAIN EVENTS. THE LAST TIME
HOUSTON RECEIVED A HALF INCH OF RAIN OR MORE OCCURRED ON JANUARY
24 2011. THE PREVIOUS RECORD WAS 93 DAYS AND OCCURRED DURING
NOV/DEC 2008 AND JAN/FEB 2009.

ADDITIONAL INFORMATION ON THE DROUGHT CAN BE FOUND IN OUR DROUGHT
INFORMATION STATEMENT (SATDGTHGX).

TEMPERATURES WERE UNSEASONABLY WARM DURING THE MONTH AND AVERAGE
TEMPERATURES WERE 5 TO 7 DEGREES WARMER THAN THE 30 YEAR NORMALS.
COLLEGE STATION RECORDED ITS WARMEST AVERAGE TEMPERATURE FOR THE
MONTH OF APRIL WITH AN AVERAGE TEMPERATURE OF 75.6 DEGREES.
COLLEGE STATION REPORTED 7 NEW/TIED RECORD HIGH TEMPERATURES AND 9
NEW/TIED RECORD HIGH MINIMUM TEMPERATURE RECORDS. THE CITY OF
HOUSTON RECORDED 4 NEW/TIED RECORD HIGH TEMPERATURES AND 9 NEW/TIED
RECORD HIGH MINIMUM TEMPERATURE RECORDS. ALL TOLD...THE FOUR
PRIMARY CLIMATE SITES PRODUCED 44 NEW OR TIED TEMPERATURE RECORDS
DURING APRIL.

GALVESTON RECORDED ITS WARMEST TEMPERATURE EVER IN THE MONTH OF
APRIL WHEN THE THERMOMETER READ 95 DEGREES ON THE 27TH. GALVESTON
AND HOUSTON TIED THEIR WARMEST OVERNIGHT LOW TEMPERATURES FOR THE
MONTH OF APRIL. THE TEMPERATURE ONLY FELL TO 77 DEGREES ON THE 26TH
FOR BOTH SITES. COLLEGE STATION ESTABLISHED A NEW RECORD HIGH
MINIMUM FOR THE MONTH WHEN THE TEMPERATURE ONLY COOLED TO 76 DEGREES
ON APRIL 20TH. THIS BREAKS THE PREVIOUS WARMEST OVERNIGHT LOW FOR
APRIL WHICH WAS 75 DEGREES AND THIS LAST OCCURRED ON APRIL 27TH
1994. HERE ARE THE FIVE WARMEST MONTHLY AVERAGE TEMPERATURES FOR
APRIL FOR THE PRIMARY CLIMATE SITES:

APRIL MONTHLY AVERAGE TEMPERATURE

CITY OF HOUSTON COLLEGE GALVESTON
HOUSTON HOBBY STATION

75.2 1963 75.7 1967 75.6 2011 76.5 1888
75.0 1967 74.9 2011 74.0 1967 75.0 1967
74.9 2011 74.5 1963 73.7 1925 74.9 2011
74.3 1981 73.6 2005 73.1 2006 74.5 2006
74.0 1965 73.5 1965 72.8 2002 73.4 1929

THE EXTREME EASTERN FRINGE OF THE COUNTY WARNING RECEIVED SOME
BENEFICIAL RAIN ON APRIL 25TH AND 26TH. THE RAIN CAME WITH LARGE HAIL
AND STRONG WINDS. GOLF BALL SIZED HAIL PELTED PARTS OF HOUSTON...
TRINITY AND POLK COUNTIES. WIND DAMAGE WAS ALSO REPORTED IN PARTS OF
THE AFOREMENTIONED COUNTIES.

THE DRY AND BREEZY CONDITIONS HELPED SPARK A FEW WILDFIRES ACROSS
THE REGION. 100 ACRES WERE CHARRED IN WALKER COUNTY ON THE 27TH.

BELOW ARE THE MONTHLY CLIMATE STATISTICS FOR THE THE PRIMARY AND
SECONDARY CLIMATE SITES ACROSS SOUTHEAST TEXAS:

SITE AVG AVG AVG DEP RAIN DEP
HIGH LOW DAILY

IAH 85.5 64.4 74.9 +6.4 0.11 -3.49
HOU 84.2 65.5 74.9 +4.9 TRACE -3.46
GLS 80.7 69.1 74.9 +4.9 0.12 -2.44
CLL 87.9 63.3 75.6 +7.7 TRACE -3.20
CXO 85.4 58.9 72.2 +4.9 0.41 -3.43
UTS 86.3 61.4 73.8 +6.6 0.46 -3.04
SGR 85.2 62.5 73.8 +3.2 0.16 -2.46
DWH 85.2 61.6 73.4 +3.5 0.05 -2.87
LBX 83.2 63.0 73.1 +3.3 0.04 -3.73
LVJ 82.6 64.2 73.4 +4.0 0.01 -2.76
PSX 82.3 66.2 74.3 +5.8 0.01 -2.79
HGX 82.7 63.2 72.9 +5.1 0.02 -3.97

BELOW ARE SOME MONTHLY RAINFALL TOTALS AT OTHER COMMUNITIES ACROSS
SOUTHEAST TEXAS FROM OUR NETWORK OF VOLUNTEER CO-OP OBSERVERS:

COMMUNITY RAIN DEP

ANAHUAC 0.04 -3.02
BELLVILLE 0.04 -3.21
BRENHAM 0.02 -3.37
CLEVELAND 2.93 -0.82
COLUMBUS 0.05 -3.70
CROCKETT 3.28 -0.59
DANEVANG 0.02 -2.61
FREEPORT 0.00 -2.82
HOU WESTBURY 0.05 -3.33
KATY TRACE -3.02
LIVINGSTON 1.26 -2.67
MADISONVILLE 0.08 -3.18
MATAGORDA 0.00 -2.63
NEW CANEY 0.16 -3.70
RICHMOND 0.12 -3.34
SOMERVILLE 0.00 -2.92
WASH ST PARK 0.00 -2.98

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