Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
588
CXUS51 KLWX 011318
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
918 AM EDT SAT JUN 01 2024
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...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF MAY 2024...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2024
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 91 05/02 90 1 85
LOWEST 48 05/11 44 4 47
AVG. MAXIMUM 77.4 76.5 0.9 74.8
AVG. MINIMUM 61.2 58.0 3.2 55.3
MEAN 69.3 67.2 2.1 65.0
DAYS MAX >= 90 1 2.1 -1.1 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 4.30 3.94 0.36 1.34
DAILY AVG. 0.14 0.13 0.01 0.04
DAYS >= .01 17 11.6 5.4 9
DAYS >= .10 10 7.3 2.7 4
DAYS >= .50 3 2.8 0.2 1
DAYS >= 1.00 0 0.8 -0.8 0
GREATEST
24 HR. TOTAL 0.82 05/04 TO 05/04 0.90
STORM TOTAL 0.82 0.86
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 8.0 13.7 -5.7 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 33 63 -30 59
SINCE 7/1 3159 3765 -606 MM
COOLING TOTAL 176 132 44 68
SINCE 1/1 225 167 58 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.3
HIGHEST WIND SPEED/DIRECTION 30/290
HIGHEST GUST SPEED/DIRECTION 44/280
SKY COVER
AVERAGE SKY COVER 0.70
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 11
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 0
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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