905  
CXUS51 KLWX 010929  
CLMDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
429 AM EST THU FEB 01 2024  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR THE MONTH OF JANUARY 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 80 01/26/2024  
LOW -14 01/01/1881  
HIGHEST 80R 01/26 65 15 69  
LOWEST 16 01/17 12 4 29  
AVG. MAXIMUM 46.8 44.8 2.0 52.5  
AVG. MINIMUM 32.8 30.1 2.7 37.8  
MEAN 39.8 37.5 2.3 45.2  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 4 4.1 -0.1 0  
DAYS MIN <= 32 12 19.5 -7.5 7  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 7.83 1937  
MINIMUM 0.31 1955  
TOTALS 5.88 2.86 3.02 1.65  
DAILY AVG. 0.19 0.09 0.10 0.05  
DAYS >= .01 11 9.7 1.3 11  
DAYS >= .10 8 5.7 2.3 5  
DAYS >= .50 3 2.1 0.9 1  
DAYS >= 1.00 3 0.7 2.3 0  
GREATEST  
24 HR. TOTAL 2.24 01/09 TO 01/09 0.56  
STORM TOTAL 2.24 0.56  
(MM/DD(HH))  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 31.5 1922  
TOTALS 7.8 4.9 2.9 T  
SINCE 7/1 7.9 6.7 1.2 MM  
DAYS >= TRACE 7 2.8 4.2 2  
DAYS >= 1.0 2 1.3 0.7 0  
GREATEST  
SNOW DEPTH 5 01/20 0  
 
DEGREE DAYS  
HEATING TOTAL 775 854 -79 608  
SINCE 7/1 1961 2227 -266 MM  
COOLING TOTAL 1 0 1 0  
SINCE 1/1 1 0 1 MM    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.6  
HIGHEST WIND SPEED/DIRECTION 36/150  
HIGHEST GUST SPEED/DIRECTION 52/150  
52/250  
 
SKY COVER  
AVERAGE SKY COVER 0.68  
 
AVERAGE RH (PERCENT) 65  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 4 RAIN 5  
LIGHT RAIN 11 FREEZING RAIN 0  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 1 SNOW 1  
LIGHT SNOW 6 SLEET 1  
FOG 12 FOG W/VIS <= 1/4 MILE 3  
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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