393  
CDUS43 KDTX 210622  
CLIDTW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
222 AM EDT MON MAY 21 2012  
 
   
...............................  
 
   
..THE DETROIT MI CLIMATE SUMMARY FOR MAY 20 2012  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1874 TO 2012  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 146 PM 91 1977 71 15 73  
MINIMUM 57 543 AM 33 1981 51 6 55  
AVERAGE 72 61 11 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.56 1959 0.12 -0.12 0.00  
1923  
MONTH TO DATE 0.91 2.10 -1.19 2.19  
SINCE MAR 1 6.01 7.28 -1.27 11.41  
SINCE JAN 1 10.92 11.26 -0.34 16.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 0.2 8.6 -8.4 10.2  
SINCE JUL 1 26.0 42.7 -16.7 69.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 1  
MONTH TO DATE 69 161 -92 159  
SINCE MAR 1 986 1502 -516 1601  
SINCE JUL 1 4854 6055 -1201 6348  
 
COOLING  
YESTERDAY 7 2 5 0  
MONTH TO DATE 30 16 14 14  
SINCE MAR 1 50 22 28 14  
SINCE JAN 1 50 22 28 14    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 5.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 300 AM  
LOWEST 31 500 PM  
AVERAGE 54  
   
......................................................  
 
 
THE DETROIT MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1977  
MINIMUM TEMPERATURE (F) 51 32 1883  
 
 
SUNRISE AND SUNSET  
MAY 21 2012...........SUNRISE 606 AM EDT SUNSET 854 PM EDT  
MAY 22 2012...........SUNRISE 606 AM EDT SUNSET 855 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
TEMPERATURE DATA...  
MONTHLY AVERAGE......... 62.8  
DEPARTURE FROM NORMAL... 5.0  
 
DETROIT CITY AIRPORT HIGH AND LOW FOR YESTERDAY.... 87/56   
.................................................................  
............  
CLIMATE INFORMATION FROM THE NATIONAL WEATHER SERVICE FORECAST  
OFFICE IN WHITE LAKE MICHIGAN FOR YESTERDAY...  
 
TEMPERATURE:  
 
HIGH... 85 LOW.... 51  
 
PRECIPITATION:  
 
DAY.... 0.00 MONTH.... 2.41 YEAR.... 9.49  
 
SNOWFALL:  
 
DAY.... 0.0 MONTH.... 0 SEASON.... 33.3  
 
DETROIT SNOW DEPTH IS MEASURED AT 7 AM.  
 
 
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