702
CXUS51 KLWX 011915
CLMDCA

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
315 PM EDT MON JUN 01 2026

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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF MAY 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026

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           97   05/19         90       7       87
LOWEST            44   05/01         44       0       49
                       05/03
AVG. MAXIMUM    75.2               76.5    -1.3     74.7
AVG. MINIMUM    56.4               58.0    -1.6     59.3
MEAN            65.8               67.2    -1.4     67.0
DAYS MAX >= 90     3                2.1     0.9        0
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          2.85               3.94   -1.09     7.73
DAILY AVG.      0.09               0.13   -0.04     0.25
DAYS >= .01       16               11.6     4.4       15
DAYS >= .10        9                7.3     1.7       12
DAYS >= .50        1                2.8    -1.8        7
DAYS >= 1.00       0                0.8    -0.8        2
GREATEST
 24 HR. TOTAL   0.68   05/23 TO 05/24               1.68
 STORM TOTAL    0.51                                1.58
 (MM/DD(HH))

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1       10.6               13.7    -3.1       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     88                 63      25       39
 SINCE 7/1      3867               3765     102       MM
COOLING TOTAL    122                132     -10      109
 SINCE 1/1       224                167      57       MM
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    33/320
HIGHEST GUST SPEED/DIRECTION    47/310

SKY COVER
AVERAGE SKY COVER           0.61

AVERAGE RH (PERCENT)     63

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       9
LIGHT RAIN               19     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      5

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

$$