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000
CXUS51 KLWX 011854
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
254 PM EDT THU JUN 01 2023

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             99   05/31/1991
 LOW              33   05/11/1906
HIGHEST           85   05/12         90      -5       96
LOWEST            47   05/04         44       3       43
                       05/05
AVG. MAXIMUM    74.8               76.5    -1.7     76.4
AVG. MINIMUM    55.3               58.0    -2.7     59.1
MEAN            65.0               67.2    -2.2     67.8
DAYS MAX >= 90     0                2.1    -2.1        2
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       10.69   1953
 MINIMUM        0.41   1939
TOTALS          1.34               3.94   -2.60     6.36
DAILY AVG.      0.04               0.13   -0.09     0.21
DAYS >= .01        9               11.6    -2.6       14
DAYS >= .10        4                7.3    -3.3       11
DAYS >= .50        1                2.8    -1.8        4
DAYS >= 1.00       0                0.8    -0.8        3
GREATEST
 24 HR. TOTAL   0.90   05/29 TO 05/30               1.94
 STORM TOTAL    0.86                                1.50
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.4               13.7   -13.3       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     59                 63      -4       56
 SINCE 7/1      3184               3765    -581       MM
COOLING TOTAL     68                132     -64      151
 SINCE 1/1       135                167     -32       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    26/220
HIGHEST GUST SPEED/DIRECTION    39/230

SKY COVER
AVERAGE SKY COVER           0.66

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     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.

&&

MAY 2023 WAS THE NINTH DRIEST MAY ON RECORD AT REAGAN NATIONAL AIRPORT
WITH ONLY 1.34 INCHES OF PRECIPITATION.

$$