Climatological Report (Monthly) Issued by NWS Sterling, VA
000
CXUS51 KLWX 031619
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1219 PM EDT WED MAY 03 2023
...................................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 95 04/17/2002
04/18/1976
04/23/1960
LOW 15 04/01/1923
HIGHEST 88 04/13 86 2 86
04/21
LOWEST 40 04/09 33 7 39
AVG. MAXIMUM 72.9 68.0 4.9 66.6
AVG. MINIMUM 51.3 48.4 2.9 47.3
MEAN 62.1 58.2 3.9 56.9
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 3.55 3.21 0.34 3.82
DAILY AVG. 0.12 0.11 0.01 0.13
DAYS >= .01 10 10.8 -0.8 9
DAYS >= .10 5 6.4 -1.4 7
DAYS >= .50 4 2.2 1.8 4
DAYS >= 1.00 1 0.7 0.3 0
GREATEST
24 HR. TOTAL 1.55 04/28 TO 04/29 1.68
STORM TOTAL 1.53 0.91
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 5.5 1924
TOTALS T 0.0 0.0 0.0
SINCE 7/1 0.4 13.7 -13.3 MM
DAYS >= TRACE 1 0.0 1.0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 146 236 -90 259
SINCE 7/1 3125 3703 -578 MM
COOLING TOTAL 65 32 33 26
SINCE 1/1 67 35 32 MM
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WIND (MPH)
AVERAGE WIND SPEED 9.2
HIGHEST WIND SPEED/DIRECTION 40/310
HIGHEST GUST SPEED/DIRECTION 59/300
SKY COVER
AVERAGE SKY COVER 0.60
AVERAGE RH (PERCENT) 58
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 4 RAIN 5
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 1
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.
&&
APR 2023 ENDED TIED WITH 2017 FOR THE WARMEST APRIL ON RECORD. IT WAS ALSO
VERY DRY FOR MUCH OF THE MONTH. THE FIRST THREE WEEKS OF THE MONTH
WERE EXCEPTIONALLY DRY WITH MOST OF THE RAINFALL FALLING THE LAST THREE DAYS
OF THE MONTH. A PERSISTENT UPPER LEVEL RIDGE WAS THE CULPRIT FOR THE VERY AND
DRY CONDITIONS.
$$