Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000
CXUS51 KLWX 011406
CLMIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1006 AM EDT SAT APR 01 2023

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF MARCH 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             89   03/30/1998
                       03/12/1990
 LOW                   03/04/2014
                       03/15/1993
HIGHEST           82   03/23         77       5       78
LOWEST            23   03/20         15       8       19
AVG. MAXIMUM    57.3               54.8     2.5     59.9
AVG. MINIMUM    35.5               33.6     1.9     36.2
MEAN            46.4               44.2     2.2     48.1
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.6    -0.6        0
DAYS MIN <= 32    11               15.2    -4.2       12
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.65   1973
 MINIMUM        0.07   2006
TOTALS          1.57               3.50   -1.93     1.92
DAILY AVG.      0.05               0.11   -0.06     0.06
DAYS >= .01        8               11.0    -3.0        8
DAYS >= .10        3                6.7    -3.7        5
DAYS >= .50        2                2.2    -0.2        1
DAYS >= 1.00       0                0.9    -0.9        0
GREATEST
 24 HR. TOTAL   0.66   03/24 TO 03/25               0.53
 STORM TOTAL    0.64                                0.53
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          15.5   1993
TOTALS             T                3.9    -3.9      3.5
SINCE 7/1        0.4               20.9   -20.5       MM
DAYS >= TRACE      2                1.8     0.2        4
DAYS >= 1.0        0                1.1    -1.1        1
GREATEST
 SNOW DEPTH        0                                   3

DEGREE DAYS
HEATING TOTAL    570                647     -77      523
 SINCE 7/1      3524               4157    -633       MM
COOLING TOTAL      1                  2      -1        3
 SINCE 1/1         1                  2      -1       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    38/300
HIGHEST GUST SPEED/DIRECTION    54/290

SKY COVER
AVERAGE SKY COVER           0.53

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      2
HAZE                      2

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

&&
MARCH 2023 CONTINUED THE TREND OF ABOVE NORMAL TEMPERATURES THAT
WE EXPERIENCED IN JANUARY AND FEBRUARY, BUT THE DEPARTURES WERE NOT
AS LARGE LIKE AT THE BEGINNING OF THE YEAR. PRECIPITATION WAS MORE
THAN HALF BELOW NORMAL.
$$


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