000
CXUS52 KRAH 011526
CLSRDU

CLIMATE REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1110 AM EDT THU SEP 1 2011

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

...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2011 TO 8/31/2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1944 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             105   08/21/2007
                        08/18/1988
                        07/23/1952
 LOW               38   06/08/1977
HIGHEST           104   07/29
LOWEST             56   06/04
AVG. MAXIMUM     92.4              88.6     3.8
AVG. MINIMUM     70.1              68.1     2.0
MEAN             81.2              78.4     2.8
DAYS MAX >= 90     61              40.0    21.0
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      0               0.0     0.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.64   2004
 MINIMUM         4.21   1993
TOTALS          15.42             12.51    2.91
DAYS >= .01        21              33.0   -12.0
DAYS >= 1.00        7               2.9     4.1
GREATEST
 24 HR. TOTAL    4.31   08/06 TO 08/06

DEGREE_DAYS
COOLING TOTAL    1519              1233     286
 SINCE 1/1       1807              1441     366
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.5
HIGHEST WIND SPEED/DIRECTION    31/200    DATE  07/24
HIGHEST GUST SPEED/DIRECTION   MMM/MMM    DATE  MM/MM

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             67
NUMBER OF DAYS CLOUDY         14

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             25     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                       9
LIGHT RAIN               24     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      32     FOG W/VIS <= 1/4 MILE      3
HAZE                     24

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

&&

THE 3 MONTH MEAN TEMPERATURE FOR JUNE-JULY-AUGUST WAS 81.2. THIS IS THE SECOND
WARMEST JUNE-JULY-AUGUST PERIOD ON RECORD. THE WARMEST WAS 81.6 SET
IN 2010.

$$