Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
968
CXUS51 KLWX 020434
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1234 AM EDT THU MAY 02 2024
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...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 95 04/17/2002
04/18/1976
04/23/1960
LOW 15 04/01/1923
HIGHEST 89 04/29 86 3 88
LOWEST 40 04/04 33 7 40
04/05
AVG. MAXIMUM 69.4 68.0 1.4 72.9
AVG. MINIMUM 51.6 48.4 3.2 51.3
MEAN 60.5 58.2 2.3 62.1
DAYS MAX >= 90 0 0.4 -0.4 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.5 -0.5 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.13 1889
MINIMUM 0.03 1985
TOTALS 2.06 3.21 -1.15 3.55
DAILY AVG. 0.07 0.11 -0.04 0.12
DAYS >= .01 9 10.8 -1.8 10
DAYS >= .10 5 6.4 -1.4 5
DAYS >= .50 1 2.2 -1.2 4
DAYS >= 1.00 1 0.7 0.3 1
GREATEST
24 HR. TOTAL 1.12 04/02 TO 04/03 1.55
STORM TOTAL 1.03 1.53
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 5.5 1924
TOTALS T 0.0 0.0 T
SINCE 7/1 8.0 13.7 -5.7 MM
DAYS >= TRACE 1 0.0 1.0 1
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 175 236 -61 146
SINCE 7/1 3126 3703 -577 MM
COOLING TOTAL 46 32 14 65
SINCE 1/1 49 35 14 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.2
HIGHEST WIND SPEED/DIRECTION 35/240
HIGHEST GUST SPEED/DIRECTION 50/300
SKY COVER
AVERAGE SKY COVER 0.68
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 3 RAIN 4
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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