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NOUS44 KHGX 050219  
PNSHGX  
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PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
917 PM CDT THU SEP 4 2014  
   
..NO 100 DEGREE DAYS AT FIRST ORDER CLIMATE SITES SO FAR IN 2014
 
 
SO FAR THE YEAR OF 2014 HAS NOT OBSERVED A 100 DEGREE DAY (DEFINED  
AS THE HIGH TEMPERATURE AT OR ABOVE 100 DEGREES) AT THE FOUR  
FIRST ORDER CLIMATE SITES OF COLLEGE STATION (KCLL), CITY OF  
HOUSTON (KIAH), HOUSTON HOBBY (KHOU), AND THE CITY OF GALVESTON  
(KGLS). HOW NORMAL IS THIS THOUGH? LETS FIRST LOOK AT THE 30 YEAR  
AVERAGES (1981-2010) TO SEE ON AVERAGE HOW MANY 100 DEGREE DAYS  
THERE ARE IN A YEAR.  
 
AVERAGE NUMBER OF 100 DEGREE DAYS (1981 - 2010)  
 
SITE MAY JUNE JULY AUGUST SEPTEMBER TOTAL  
CLL 0.1 1.1 4.5 7.4 1.1 14.1  
IAH 0.0 0.4 1.4 2.4 0.4 4.6  
HOU 0.0 0.3 0.5 0.7 0.2 1.7  
GLS 0.0 0.0 0.0 0.0 0.1 0.1  
 
SO ON AVERAGE THERE ARE AROUND 14 100 DEGREE DAYS AT COLLEGE  
STATION IN A YEAR. THIS YEAR WE HAVE HAD NONE. IF THE AREA  
FINISHES THE YEAR WITHOUT ANY 100 DEGREE DAYS WHAT WOULD BE THE  
LAST YEAR THIS HAS HAPPENED? THE LAST TIME IT FAILED TO REACH 100  
DEGREES FOR EACH SITE IS LISTED BELOW:  
 
SITE LAST YEAR NO 100 DEGREE DAYS  
CLL 2004  
IAH 1997  
HOU 2010  
GLS 2013  
 
HOW OFTEN DOES THIS HAPPEN THOUGH? DATA WAS COMPILED FOR THE LAST  
50 YEARS (1965- 2014) TO DETERMINE THE AMOUNT OF YEARS THAT EACH  
RESPECTIVE SITE ABOVE FAILED AND REACHED 100 DEGREES. A TABLE OF  
THE RESULTS ARE SUMMARIZED BELOW.  
 
SITE # OF YEARS NOT REACHING 100/ REACHING 100  
CLL 9/ 41  
IAH 19/ 31  
HOU 33/ 17  
GLS 46/ 4  
 
GIVEN THE DATA ABOVE IT SHOWS THAT YEARS WITHOUT REACHING 100  
DEGREES ARE RARE THE FARTHER INLAND ONE GOES. FOR EXAMPLE... AT  
COLLEGE STATION THE SITE HAS FAILED TO REACH 100 DEGREES ONLY 9  
TIMES IN THE PAST 50 YEARS (OR 18% OF THE TIME). NEAR THE COAST  
(SUCH AS GALVESTON) NOT REACHING 100 HAPPENS MOST OF THE TIME. IN  
FACT IT IS VERY RARE FOR GALVESTON TO REACH 100 DEGREES IN A YEAR  
(ABOUT ONLY 8% OF THE TIME IN THE PAST 50 YEARS). SO THIS YEAR IS  
UNUSUAL DEPENDING UPON WHERE YOU ARE.  
 
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