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000
CXUS51 KLWX 062137
CLMIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
537 PM EDT THU JUL 06 2023

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF JUNE 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            102   06/29/2012
 LOW              36   06/08/1977
HIGHEST           93   06/02         93       0       96
LOWEST            50   06/06         45       5       48
                       06/09
                       06/10
AVG. MAXIMUM    82.9               83.1    -0.2     84.1
AVG. MINIMUM    58.3               61.9    -3.6     61.0
MEAN            70.6               72.5    -1.9     72.6
DAYS MAX >= 90     5                5.7    -0.7        6
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       18.19   1972
 MINIMUM        0.52   1988
TOTALS          2.30               4.30   -2.00     2.75
DAILY AVG.      0.08               0.14   -0.06     0.09
DAYS >= .01       10               10.8    -0.8       10
DAYS >= .10        7                6.7     0.3        6
DAYS >= .50        1                2.9    -1.9        1
DAYS >= 1.00       0                1.2    -1.2        1
GREATEST
 24 HR. TOTAL   0.73   06/21 TO 06/22               1.16
 STORM TOTAL    0.64                                1.10
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.4               21.0   -20.6       MM
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0

DEGREE DAYS
HEATING TOTAL      5                 13      -8        0
 SINCE 7/1      3852               4603    -751       MM
COOLING TOTAL    182                238     -56      237
 SINCE 1/1       256                344     -88       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    32/290
HIGHEST GUST SPEED/DIRECTION    39/320

SKY COVER
AVERAGE SKY COVER           0.60

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      0
HAZE                     13

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

&&

OVERALL, JUNE 2023 WAS A DRY MONTH WITH SLIGHTLY BELOW NORMAL TEMPERATURES DUE
TO PERSISTENT NORTHWEST WINDS. DROUGHT CONDITIONS WORSENED AS MONTHLY RAINFALL
DEFICITS DROPPED TO TWO INCHES BELOW NORMAL.

$$

DHOF