405
CXUS51 KLWX 012138
CLMDCA
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
538 PM EDT WED NOV 01 2023
...............................
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 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 98 10/02/2019
LOW 26 10/31/1917
10/31/1893
10/30/1873
HIGHEST 86 10/03 84 2 81
10/28
LOWEST 41 10/31 37 4 38
AVG. MAXIMUM 72.6 69.4 3.2 67.1
AVG. MINIMUM 53.6 52.2 1.4 49.2
MEAN 63.1 60.8 2.3 58.2
DAYS MAX >= 90 0 0.3 -0.3 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 9.41 2005
MINIMUM T 1963
TOTALS 0.65 3.66 -3.01 2.78
DAILY AVG. 0.02 0.12 -0.10 0.09
DAYS >= .01 6 8.3 -2.3 12
DAYS >= .10 1 4.9 -3.9 8
DAYS >= .50 0 2.5 -2.5 2
DAYS >= 1.00 0 1.1 -1.1 0
GREATEST
24 HR. TOTAL 0.48 10/14 TO 10/15 0.72
STORM TOTAL 0.45 0.57
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 2.2 1925
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 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 124 175 -51 208
SINCE 7/1 133 191 -58 MM
COOLING TOTAL 74 45 29 4
SINCE 1/1 1709 1735 -26 MM
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 7.0
HIGHEST WIND SPEED/DIRECTION 31/300
HIGHEST GUST SPEED/DIRECTION 45/300
SKY COVER
AVERAGE SKY COVER 0.52
AVERAGE RH (PERCENT) 65
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 5
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 8 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.
OCT 2023 ENDED AS THE FOURTHEEN WARMEST AND ALSO FOURTHEEN
DRIEST ON RECORD AT DCA. THE MONTH HAD TWO STRETCHES OF WELL
ABOVE NORMAL TEMPERATURES THAT WERE ABOVE 80 DEGREES. A PERSISTENT
UPPER LEVEL RIDGE RESULTED IN VERY WARM AND DRY CONDITIONS THROUGHOUT THE
MONTH.
LFR
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