Climatological Report (Monthly) Issued by NWS Sterling, VA
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.
$$