457  
CDUS41 KLWX 300539  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
128 AM EDT SAT MAY 30 2015  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR MAY 29 2015
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2015  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 232 PM 97 1991 79 8 62  
1969  
MINIMUM 74 726 AM 41 1894 61 13 58  
AVERAGE 81 70 11 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.38 1990 0.13 -0.13 0.29  
MONTH TO DATE 1.92 3.73 -1.81 4.96  
SINCE MAR 1 9.37 10.27 -0.90 15.69  
SINCE JAN 1 14.78 15.70 -0.92 22.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 18.3 15.4 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 5  
MONTH TO DATE 16 77 -61 32  
SINCE MAR 1 800 915 -115 955  
SINCE JUL 1 3924 4023 -99 4121  
 
COOLING  
YESTERDAY 16 6 10 0  
MONTH TO DATE 244 95 149 139  
SINCE MAR 1 264 121 143 160  
SINCE JAN 1 264 121 143 160    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 300 AM  
LOWEST 61 200 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1991  
MINIMUM TEMPERATURE (F) 61 44 1884  
 
 
SUNRISE AND SUNSET  
MAY 30 2015...........SUNRISE 546 AM EDT SUNSET 826 PM EDT  
MAY 31 2015...........SUNRISE 545 AM EDT SUNSET 827 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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