484  
CDUS41 KLWX 210526  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT MON AUG 21 2017  
 
   
...............................
 
 
   
..THE BALTIMORE MD CLIMATE SUMMARY FOR AUGUST 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 413 PM 105 1983 85 1 88  
MINIMUM 65 544 AM 49 1998 65 0 68  
AVERAGE 76 75 1 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.75 1997 0.11 -0.11 0.00  
MONTH TO DATE 3.78 2.18 1.60 3.58  
SINCE JUN 1 12.29 9.71 2.58 12.87  
SINCE JAN 1 29.42 26.74 2.68 30.72  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 11 15 -4 4  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 10 1 13  
MONTH TO DATE 201 216 -15 313  
SINCE JUN 1 913 826 87 1030  
SINCE JAN 1 1021 910 111 1132    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 3.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 43 200 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE BALTIMORE MD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 97 1899  
MINIMUM TEMPERATURE (F) 65 51 2000  
1984  
 
 
SUNRISE AND SUNSET  
AUGUST 21 2017........SUNRISE 625 AM EDT SUNSET 753 PM EDT  
AUGUST 22 2017........SUNRISE 626 AM EDT SUNSET 752 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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