Climatological Report (Monthly)
Issued by NWS Raleigh/Durham, NC

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000
CXUS52 KRAH 011403
CLMRDU


CLIMATE REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
956 AM EDT SAT JUN 1 2013

...................................

...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF MAY 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1887 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              97   05/31/1953
 LOW               29   05/02/1963
HIGHEST            87   05/31                         91
LOWEST             39   05/14                         47
AVG. MAXIMUM     76.1              79.6    -3.5     82.4
AVG. MINIMUM     56.3              56.5    -0.2     61.6
MEAN             66.2              68.0    -1.8     72.0
DAYS MAX >= 90      0                                  5
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.76   1974
TOTALS           4.52              3.27    1.25     3.97
DAYS >= .01         9
DAYS >= .10         7
DAYS >= .50         3
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.96   05/19 TO 05/20

DEGREE_DAYS
HEATING TOTAL      84                54      30       10
 SINCE 7/1       3320              3243      77     2528
COOLING TOTAL     128               148     -20      233
 SINCE 1/1        178               209     -31
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    23/230    DATE  05/11
HIGHEST GUST SPEED/DIRECTION    31/310    DATE  05/24

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

&&

A RECORD LOW TEMPERATURE OF 39 DEGREES WAS SET AT RALEIGH-DURHAM INTL AIRPORT
ON MAY 14. THIS BREAKS THE OLD RECORD OF 43 SET IN 1997.

A RECORD HIGH MINIMUM TEMPERATURE OF 69 DEGREES WAS SET AT THE RALEIGH-DURHAM
INTL AIRPORT ON MAY 22. THIS TIES THE OLD RECORD SET IN 1944.

A RECORD LOW TEMPERATURE OF 41 DEGREES WAS SET AT RALEIGH-DURHAM INTL AIRPORT
ON MAY 25. THIS BREAKS THE OLD RECORD OF 43 SET IN 1967.

$$




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