991  
CDUS41 KLWX 172124  
CLIHGR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST FRI DEC 17 2021  
   
...............................
 
 
   
..THE HAGERSTOWN MD CLIMATE SUMMARY FOR DECEMBER 17 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2021  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 63 2:40 AM 43 20 36  
MINIMUM 48 8:00 AM 30 18 21  
AVERAGE 56 36 20 29  
 
PRECIPITATION (IN)  
TODAY 0.00 0.09 -0.09 0.01  
MONTH TO DATE 0.06 1.63 -1.57 1.67  
SINCE DEC 1 0.06 1.63 -1.57 1.67  
SINCE JAN 1 30.77 34.40 -3.63 27.84  
 
DEGREE DAYS  
HEATING  
TODAY 9 29 -20 36  
MONTH TO DATE 348 450 -102 452  
SINCE DEC 1 348 450 -102 452  
SINCE JUL 1 1131 1348 -217 1164  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1423 1248 175 1381    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 8:00 AM  
LOWEST 18 1:00 PM  
AVERAGE 38  
   
......................................................
 
 
THE HAGERSTOWN MD CLIMATE NORMALS FOR TOMORROW  
NORMAL  
 
SUNRISE AND SUNSET  
DECEMBER 17 2021......SUNRISE 7:26 AM EST SUNSET 4:48 PM EST  
DECEMBER 18 2021......SUNRISE 7:27 AM EST SUNSET 4:49 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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