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

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031
CXSU52 KRAH 011330
CLARDU

CLIMATE REPORT FOR 2017 - PRELIMINARY...CORRECTED
NATIONAL WEATHER SERVICE RALEIGH NC
830 AM EST MON JAN 1 2018

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

...THE RALEIGH-DURHAM INTL AIRPORT NC CLIMATE SUMMARY FOR THE YEAR OF 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             105   07/08/2012
                        06/30/2012
                        06/29/2012
 LOW               -9   01/21/1985
HIGHEST           102   07/23        MM      MM
LOWEST              9   01/09        MM      MM
AVG. MAXIMUM     75.6              71.7     3.9
AVG. MINIMUM     53.5              50.0     3.5
MEAN             64.5              60.8     3.7
DAYS MAX >= 90     56              46.8     9.2
DAYS MAX <= 32      3               2.0     1.0
DAYS MIN <= 32     39              60.7   -21.7
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        64.22   1936
 MINIMUM        29.92   1933
TOTALS          43.25             43.34   -0.09
DAYS >= .01       113             114.1    -1.1
DAYS >= .10        65              72.7    -7.7
DAYS >= .50        28              29.2    -1.2
DAYS >= 1.00       11              10.4     0.6
GREATEST
 24 HR. TOTAL    4.51   4/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.0   1899
TOTALS            0.8               6.1    -5.3      1.4
SINCE 7/1         0.0
DAYS >= TRACE       5
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         1   01/10
                        01/08
                        01/09

DEGREE_DAYS
HEATING TOTAL    2007              3246   -1239
COOLING TOTAL    1973              1731     242
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.3
RESULTANT WIND SPEED/DIRECTION   1/219
HIGHEST WIND SPEED/DIRECTION    44/230    DATE  04/06
HIGHEST GUST SPEED/DIRECTION    52/240    DATE  04/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)    0
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           78
NUMBER OF DAYS PC            167
NUMBER OF DAYS CLOUDY         89

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               37     RAIN                      45
LIGHT RAIN              134     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       1
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                2     SLEET                      3
FOG                     153     FOG W/VIS <= 1/4 MILE     18
HAZE                     13

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

$$



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