Climatological Report (Monthly)
Issued by NWS Sterling, VA

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000
CXUS51 KLWX 011444
CLMIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1044 AM EDT MON APR 01 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF MARCH 2024...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024

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           80   03/14         77       3       82
LOWEST            24   03/01         15       9       23
AVG. MAXIMUM    60.9               54.8     6.1     57.3
AVG. MINIMUM    38.5               33.6     4.9     35.5
MEAN            49.7               44.2     5.5     46.4
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     0                0.6    -0.6        0
DAYS MIN <= 32     8               15.2    -7.2       11
DAYS MIN <= 0      0                0.1    -0.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.65   1973
 MINIMUM        0.07   2006
TOTALS          3.89               3.50    0.39     1.57
DAILY AVG.      0.13               0.11    0.02     0.05
DAYS >= .01       14               11.0     3.0        8
DAYS >= .10        7                6.7     0.3        3
DAYS >= .50        3                2.2     0.8        2
DAYS >= 1.00       1                0.9     0.1        0
GREATEST
 24 HR. TOTAL   1.08   03/22 TO 03/23               0.66
 STORM TOTAL    1.01                                0.64
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL          15.5   1993
TOTALS             T                3.9    -3.9        T
SINCE 7/1       11.7               20.9    -9.2       MM
DAYS >= TRACE      1                1.8    -0.8        2
DAYS >= 1.0        0                1.1    -1.1        0
GREATEST
 SNOW DEPTH        0                                   0

DEGREE DAYS
HEATING TOTAL    464                647    -183      570
 SINCE 7/1      3428               4157    -729       MM
COOLING TOTAL      0                  2      -2        1
 SINCE 1/1         3                  2       1       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              8.3
HIGHEST WIND SPEED/DIRECTION    37/300
HIGHEST GUST SPEED/DIRECTION    53/300

SKY COVER
AVERAGE SKY COVER           0.59

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               15     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

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