148  
CDUS41 KLWX 210536  
CLIBWI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
136 AM EDT MON JUL 21 2008  
 
...................................  
   
..THE BALTIMORE CLIMATE SUMMARY FOR JULY 20 2008  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1870 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 217 PM 102 1930 88 6 86  
MINIMUM 74 1058 PM 57 1890 66 8 69  
AVERAGE 84 77 7 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 4.26 1956 0.13 0.11 0.00  
MONTH TO DATE 2.26 2.49 -0.23 2.87  
SINCE JUN 1 5.96 5.92 0.04 5.07  
SINCE JAN 1 25.99 23.23 2.76 19.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 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 0 16 -16 1  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 13 6 13  
MONTH TO DATE 256 237 19 241  
SINCE JUN 1 573 473 100 509  
SINCE JAN 1 612 559 53 634    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1100 PM  
LOWEST 41 200 PM  
AVERAGE 67  
 
..........................................................  
 
 
THE BALTIMORE CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 104 1930  
MINIMUM TEMPERATURE (F) 66 53 1966  
 
 
SUNRISE AND SUNSET  
JULY 21 2008..........SUNRISE 558 AM EDT SUNSET 828 PM EDT  
JULY 22 2008..........SUNRISE 559 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.  
 
 
 
...................................  
   
..THE MD SCIENCE CENTER CLIMATE SUMMARY FOR JULY 20 2008  
 
CLIMATE NORMAL PERIOD 9999 TO 9999  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 MM MM MM MM MM 86  
MINIMUM 77 MM MM MM MM MM 75  
AVERAGE 86 MM MM 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.22 MM MM MM MM 0.00  
MONTH TO DATE 3.15 MM MM 1.74  
SINCE JUN 1 6.42 MM MM 4.19  
SINCE JAN 1 23.06 MM MM 17.25  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM  
MONTH TO DATE 0.0 MM MM  
SINCE JUL 1 0.0 MM MM  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 MM MM 0  
MONTH TO DATE 0 MM MM 0  
SINCE JUN 1 0 MM MM 0  
SINCE JUL 1 0 MM MM 0  
 
COOLING  
YESTERDAY 21 MM MM 16  
MONTH TO DATE 319 MM MM 360  
SINCE JUN 1 729 MM MM 814  
SINCE JAN 1 817 MM MM 1061    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 900 PM  
LOWEST 39 300 PM  
AVERAGE 62  
 
..........................................................  
 
 
THE MD SCIENCE CENTER CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) MM MM MM  
MINIMUM TEMPERATURE (F) MM MM MM  
 
 
SUNRISE AND SUNSET  
JULY 21 2008..........SUNRISE 557 AM EDT SUNSET 828 PM EDT  
JULY 22 2008..........SUNRISE 558 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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