Climatological Report (Monthly)
Issued by NWS Sterling, VA

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CXUS51 KLWX 030346
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1045 PM EST MON MAR 2 2020

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2020

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            65   02/04        67      -2
LOWEST             22   02/15        15       7
AVG. MAXIMUM     51.9              47.1     4.8     50.0
AVG. MINIMUM     35.8              30.9     4.9     34.4
MEAN             43.8              39.0     4.8
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32      0               1.6    -1.6
DAYS MIN <= 32     12              15.7    -3.7
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.98   2003
 MINIMUM         0.35   2009
TOTALS           3.21              2.62    0.59     3.52
DAILY AVG.       0.11                MM      MM
DAYS >= .01        14               9.0     5.0
DAYS >= .10         8               5.4     2.6
DAYS >= .50         2               1.7     0.3
DAYS >= 1.00        0               0.3    -0.3
GREATEST
 24 HR. TOTAL    0.79   02/06 TO 02/06

SNOWFALL (INCHES)
RECORDS
 TOTAL           35.2   1899
TOTALS              T               5.7    -5.7
SINCE 7/1         0.6              14.1   -13.5
SNOWDEPTH AVG.      0
DAYS >= TRACE       1               2.4    -1.4
DAYS >= 1.0         0               1.3    -1.3
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL        T

DEGREE_DAYS
HEATING TOTAL     608               728    -120      632
 SINCE 7/1       2646              3131    -485     2886
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.8
HIGHEST WIND SPEED/DIRECTION    35/300    DATE  02/27
HIGHEST GUST SPEED/DIRECTION    43/290    DATE  02/27

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.70
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         15

AVERAGE RH (PERCENT)     62

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

-  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 2020 WAS WELL ABOVE NORMAL. IN
FACT, FEBRUARY 2020 RANKED AS THE 8TH WARMEST ON RECORD. IT WAS THE
WARMEST FEBRUARY SINCE 2018, WHEN THE AVERAGE TEMPERATURE WAS 45.3
DEGREES.

MONTHLY PRECIPITATION WAS 123 PERCENT OF NORMAL. HOWEVER, IT WAS
THE DRIEST FEBRUARY SINCE 2017, WHEN ONLY 0.68 INCHES OF
PRECIPITATION FELL.

MONTHLY SNOWFALL WAS 0 PERCENT OF NORMAL. IN FACT, FEBRUARY 2020
TIED 2017, 2004, 1998, 1990, 1988, 1985, 1984, 1981, 1959, 1956,
1954, 1952, 1950, 1932, 1931, 1928, 1925 AND 1898 AS THE SECOND
LEAST SNOWY FEBRUARY ON RECORD. IT WAS THE LEAST SNOWY FEBRUARY
SINCE 1977, WHEN NO SNOWFALL WAS RECORDED.

A RECORD WARM LOW TEMPERATURE OF 49 DEGREES WAS RECORDED ON FEBRUARY
4TH. THIS BROKE THE OLD RECORD OF 48 DEGREES SET IN 1952.

A RECORD WARM LOW TEMPERATURE OF 48 DEGREES WAS RECORDED ON FEBRUARY
11TH. THIS BROKE THE OLD RECORD OF 47 DEGREES SET IN 1887.

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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