Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 041750
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1250 PM EST WED MAR 4 2015

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              84   02/25/1930
 LOW              -15   02/11/1899
HIGHEST            68   02/08        67       1
LOWEST              5   02/20        15     -10
AVG. MAXIMUM     39.1              47.1    -8.0     45.9
AVG. MINIMUM     21.5              30.9    -9.4     29.8
MEAN             30.3              39.0    -8.7
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      7               1.6     5.4
DAYS MIN <= 32     24              15.7     8.3
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.98   2003
 MINIMUM         0.35   2009
TOTALS           1.68              2.62   -0.94     4.02
DAILY AVG.       0.06              0.09   -0.03
DAYS >= .01         9               9.0     0.0
DAYS >= .10         5               5.4    -0.4
DAYS >= .50         1               1.7    -0.7
DAYS >= 1.00        0               0.3    -0.3
GREATEST
 24 HR. TOTAL    0.80   02/21 TO 02/22

SNOWFALL (INCHES)
RECORDS
 TOTAL           35.2   1899
TOTALS            9.8               5.7     4.1
SINCE 7/1        13.4              14.1    -0.7
SNOWDEPTH AVG.      1
DAYS >= TRACE      11               2.4     8.6
DAYS >= 1.0         4               1.3     2.7
GREATEST
 SNOW DEPTH         5   02/17
 24 HR TOTAL      2.9

DEGREE_DAYS
HEATING TOTAL     964               728     236      754
 SINCE 7/1       3124              3108      16     3166
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.6
HIGHEST WIND SPEED/DIRECTION    39/320    DATE  02/15
HIGHEST GUST SPEED/DIRECTION    56/330    DATE  02/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            4
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               11     SLEET                      2
FOG                       7     FOG W/VIS <= 1/4 MILE      1
HAZE                      7

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

&&

WASHINGTON DC...REAGAN NATIONAL AIRPORT...

BOTH THE MONTHLY AVERAGE TEMPERATURE AND MONTHLY PRECIPITATION
WERE WELL BELOW NORMAL.

MONTHLY SNOWFALL WAS ABOVE NORMAL. THIS WAS THE FIRST TIME BACK-TO-
BACK FEBRUARIES HAD ABOVE NORMAL SNOWFALL SINCE 2006-2007.

THIS WAS THE 16TH COLDEST FEBRUARY ON RECORD AND THE COLDEST
FEBRUARY SINCE 2007.

IT WAS ALSO THE COLDEST MONTH OF ANY CALENDAR MONTH IN WASHINGTON DC
SINCE JANUARY 1994...WHICH HAD AN AVERAGE MONTHLY TEMPERATURE OF 28.8.

ALTHOUGH THE MONTH OVERALL WAS QUITE COLD...THERE WAS ONE WARM DAY
ON THE 8TH THAT TIED A RECORD DAILY HIGH TEMPERATURE OF 68 DEGREES
SET ON THAT DATE IN 1900.

A RECORD DAILY LOW TEMPERATURE OF 5 DEGREES WAS SET ON THE 20TH...
BREAKING THE OLD RECORD OF 8 DEGREES SET IN 1896. THIS WAS THE FIRST
RECORD COLD TEMPERATURE SET IN WASHINGTON DC SINCE A RECORD LOW
MAXIMUM TEMPERATURE RECORD WAS BROKEN ON JANUARY 22ND 2014. IT WAS
ALSO THE COLDEST AIR TEMPERATURE OBSERVED IN WASHINGTON DC SINCE
FEBRUARY 5TH 1996.

$$
DFH/SMZ


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