Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 011704
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1204 PM EST MON MAR 01 2021

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2021...

CLIMATE NORMAL PERIOD: 1981 TO 2010
CLIMATE RECORD PERIOD: 1871 TO 2021

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           60   02/23         67      -7       65
                       02/24
LOWEST            25   02/08         15      10       22
                       02/21
AVG. MAXIMUM    44.0               47.1    -3.1     51.9
AVG. MINIMUM    31.5               30.9     0.6     35.8
MEAN            37.8               39.0    -1.2     43.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     3                1.6     1.4        0
DAYS MIN <= 32    20               15.7     4.3       12
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.98   2003
 MINIMUM        0.35   2009
TOTALS          4.66               2.62    2.04     3.21
DAILY AVG.      0.17               0.09    0.08     0.11
DAYS >= .01       15                9.0     6.0       14
DAYS >= .10       12                5.4     6.6        8
DAYS >= .50        2                1.7     0.3        2
DAYS >= 1.00       0                0.3    -0.3        0
GREATEST
 24 HR. TOTAL   0.97   02/15 TO 02/16               0.79
 STORM TOTAL    0.84                                  MM
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          35.2   1899
TOTALS           2.8                5.7    -2.9        T
SINCE 7/1        5.4               14.1    -8.7      0.6
DAYS >= TRACE     12                2.4     9.6        1
DAYS >= 1.0        0                1.3    -1.3        0
GREATEST
 SNOW DEPTH        2   02/01                           0
                       02/02

DEGREE DAYS
HEATING TOTAL    756                728      28      608
 SINCE 7/1      2754               3107    -353     2646
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    31/330
HIGHEST GUST SPEED/DIRECTION    45/330

SKY COVER
AVERAGE SKY COVER           0.78

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              1
LT FREEZING RAIN          6     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               11     SLEET                      7
FOG                      16     FOG W/VIS <= 1/4 MILE      1
HAZE                      5

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

&&

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

WASHINGTON DC...RONALD REAGAN WASHINGTON NATIONAL AIRPORT...

THE AVERAGE TEMPERATURE IN FEBRUARY 2021 WAS SLIGHTLY BELOW NORMAL.
IT WAS THE COLDEST FEBRUARY SINCE 2015, WHEN THE AVERAGE TEMPERATURE
WAS 30.3 DEGREES.

TOTAL PRECIPITATION WAS 178 PERCENT OF NORMAL. IT WAS THE WETTEST
FEBRUARY SINCE 2018, WHEN 4.79 INCHES OF PRECIPITATION FELL.

TOTAL SNOWFALL WAS 49 PERCENT OF NORMAL. IT WAS THE SNOWIEST FEBRUARY
SINCE 2019, WHEN 3.7 INCHES OF SNOW FELL.

NO DAILY RECORDS WERE SET IN FEBRUARY 2021.

WEATHER RECORDS FOR THE WASHINGTON DC AREA HAVE BEEN RECORDED AT
WHAT IS NOW RONALD REAGAN WASHINGTON NATIONAL AIRPORT SINCE 1941.
THE OFFICIAL WEATHER RECORD CONSISTS OF THAT DATA BACK TO 1945, AND
OBSERVATIONS TAKEN IN DOWNTOWN WASHINGTON FROM 1871 THROUGH 1944.
TEMPERATURE RECORDS FOR THE WASHINGTON DC AREA EXTEND BACK TO
JANUARY OF 1872, WITH PRECIPITATION RECORDS EXTENDING BACK TO
JANUARY OF 1871 AND SNOWFALL RECORDS EXTENDING BACK TO JANUARY OF
1884.

ALL CLIMATE DATA ARE CONSIDERED PRELIMINARY UNTIL REVIEWED BY THE
NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION (NCEI).

$$

RCM



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