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

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CXUS52 KRAH 011432
CLMRDU


CLIMATE REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1005 AM EDT MON MAY 1 2017

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

...THE RALEIGH-DURHAM INTL AIRPORT CLIMATE SUMMARY FOR THE MONTH OF APRIL 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              95   04/23/1980
                        04/18/1896
 LOW               23   04/10/1985
                        04/09/1972
HIGHEST            89   04/29                         88
                        04/21
LOWEST             34   04/08                         29
AVG. MAXIMUM     77.5              72.4     5.1     72.2
AVG. MINIMUM     55.4              48.0     7.4     49.1
MEAN             66.4              60.2     6.2     60.6
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  2
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.66   2017
TOTALS           8.66              2.92    5.74     2.98
DAYS >= .01        11
DAYS >= .10         6
DAYS >= .50         3
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    4.51   04/24 TO 04/24

SNOWFALL (INCHES)
RECORDS
 TOTAL           10.0   1915
                        5
                        0
 SNOW DEPTH         0   MM
TOTALS            0.0               0.1    -0.1      0.0
SINCE 7/1         0.8
SNOWDEPTH AVG.      0
DAYS >= TRACE       0
DAYS >= 1.0         0               0.0     0.0        0

DEGREE_DAYS
HEATING TOTAL      74               193    -119      180
 SINCE 7/1       2461              3189    -728     2557
COOLING TOTAL     126                49      77       57
 SINCE 1/1        152                61      91
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    44/230    DATE  04/06
HIGHEST GUST SPEED/DIRECTION    52/240    DATE  04/06

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

&&

A RECORD HIGH MINIMUM TEMPERATURE OF 70 DEGREES WAS SET AT RALEIGH-
DURHAM INTL AIRPORT ON APRIL 30. THIS BROKE THE PREVIOUS RECORD OF
65 DEGREES, SET IN 2014.

A RECORD HIGH MINIMUM TEMPERATURE OF 72 DEGREES WAS SET AT RALEIGH-
DURHAM INTL AIRPORT ON APRIL 29. THIS BROKE THE PREVIOUS RECORD OF
66 DEGREES, SET IN 1991. THIS ALSO BROKE THE RECORD HIGH MINIMUM
TEMPERATURE FOR ANY DAY IN APRIL AT THE RALEIGH-DURHAM INTL AIRPORT.
THE OLD RECORD WAS 71 DEGREES.

A RECORD HIGH MINIMUM TEMPERATURE OF 69 DEGREES WAS SET AT RALEIGH-
DURHAM INTL AIRPORT ON APRIL 28. THIS BROKE THE PREVIOUS RECORD OF
66 DEGREES, SET IN 1954.

A RECORD DAILY RAINFALL OF 4.51 INCHES WAS SET AT RALEIGH-DURHAM
INTL AIRPORT ON APRIL 24. THIS BROKE THE OLD RECORD OF 1.55 INCHES,
SET IN 1944. THIS AMOUNT ALSO BROKE THE MAX RAINFALL AMOUNT FOR A
CALENDAR DAY IN THE MONTH OF APRIL AT THE RALEIGH-DURHAM INTL
AIRPORT. THE OLD RECORD WAS 3.37 INCHES, SET ON APRIL 26, 1978.

A RECORD HIGH MINIMUM TEMPERATURE OF 63 DEGREES WAS SET AT RALEIGH-
DURHAM INTL AIRPORT ON APRIL 4. THIS TIED THE PREVIOUS RECORD, SET
IN 1956.

THE APRIL MEAN TEMPERATURE OF 66.4 DEGREES IS THE WARMEST ON RECORD.
THE OLD RECORD WAS 63.6 LAST MET IN 2011.

THE APRIL RAINFALL OF 8.66 INCHES IS THE HIGHEST ON RECORD. THE OLD RECORD
WAS 7.95 INCHES SET IN 1895.

A MONTHLY HIGH MINIMUM TEMPERATURE OF 72 DEGREES WAS SET ON APRIL 29. THE
OLD RECORD HIGH MINIMUM TEMPERATURE WAS 71.0 LAST MET ON APRIL 25, 1925.

$$





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