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

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CXUS52 KRAH 140915 RRA
CLSRDU

CLIMATE REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
403 AM EST THU DEC 14 2017

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

...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1887 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/06/1954
 LOW               11   11/25/1970
HIGHEST            94   09/28
LOWEST             26   11/27
                        11/24
AVG. MAXIMUM     73.6              72.8     0.8
AVG. MINIMUM     50.4              50.7    -0.3
MEAN             62.0              61.8     0.2
DAYS MAX >= 90      6               4.0     2.0
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      9               6.6     2.4
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        25.44   1999
 MINIMUM         2.34   1973
TOTALS           7.85             10.73   -2.88
DAYS >= .01        20              23.5    -3.5
DAYS >= 1.00        3               3.1    -0.1
GREATEST
 24 HR. TOTAL    1.54   10/28 TO 10/29



DEGREE_DAYS
HEATING TOTAL     582               580       2
 SINCE 7/1        582               581       1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
HIGHEST WIND SPEED/DIRECTION    29/230    DATE  11/18
HIGHEST GUST SPEED/DIRECTION    37/230    DATE  11/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           36
NUMBER OF DAYS PC             34
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       9
LIGHT RAIN               25     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      47     FOG W/VIS <= 1/4 MILE      6
HAZE                      1

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

$$



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