000
CXUS52 KRAH 020031
CLSRDU

CLIMATE REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
824 PM EDT WED JUN 1 2011

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

...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2011 TO 5/31/2011...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1944 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              97   05/31/1953
 LOW               11   03/02/1980
                        03/01/1980
                        03/06/1960
HIGHEST            95   05/31        MM      MM
LOWEST             27   03/04        MM      MM
AVG. MAXIMUM     73.0              70.8     2.2
AVG. MINIMUM     50.3              46.7     3.6
MEAN             61.7              58.8     2.9
DAYS MAX >= 90      6               2.1     3.9
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      6              10.9    -4.9
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        17.21   1983
 MINIMUM         5.62   1985
TOTALS          10.22             10.28   -0.06
DAYS >= .01        32              29.4     2.6
DAYS >= 1.00        3               2.3     0.7
GREATEST
 24 HR. TOTAL    1.64   05/27 TO 05/27

DEGREE_DAYS
COOLING TOTAL     284               122     162
 SINCE 1/1        288               167     121
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    38/250    DATE  04/05
HIGHEST GUST SPEED/DIRECTION    51/260    DATE  04/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             50
NUMBER OF DAYS CLOUDY         26

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                      16
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      1
FOG                      38     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

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