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

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000
CXUS52 KRAH 011243
CLMRDU


CLIMATE REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
739 AM EST MON JAN 1 2018

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

...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

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

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              81   12/10/2007
 LOW                0   12/30/1917
HIGHEST            71   12/23                         75
LOWEST             15   12/29                         19
AVG. MAXIMUM     52.0              53.6    -1.6     54.3
AVG. MINIMUM     32.6              33.3    -0.7     34.8
MEAN             42.3              43.5    -1.2     44.5
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      1                                  1
DAYS MIN <= 32     17                                 11
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.78   1907
TOTALS           2.29              3.07   -0.78     2.19
DAYS >= .01         4
DAYS >= .10         4
DAYS >= .50         1
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.33   12/08 TO 12/08

SNOWFALL (INCHES)
RECORDS
 TOTAL            8.3   2010
 SNOW DEPTH         4   12/27/2010
TOTALS            0.3               0.6    -0.3      0.0
SINCE 7/1         0.3
SNOWDEPTH AVG.      0
DAYS >= TRACE       3
DAYS >= 1.0         0               0.1    -0.1        0

DEGREE_DAYS
HEATING TOTAL     697               670      27      627
 SINCE 7/1       1279              1251      28     1082
COOLING TOTAL       0                 2      -2        0
 SINCE 1/1       1968              1730     238
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              5.1
HIGHEST WIND SPEED/DIRECTION    26/220    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    36/230    DATE  12/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                2     SLEET                      3
FOG                      13     FOG W/VIS <= 1/4 MILE      3
HAZE                      1

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

&&

THERE WERE NO RECORDS SET FOR RDU IN DECEMBER.

$$





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