175  
CDUS43 KDTX 170536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT SUN MAY 17 2020  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 16 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1898 TO 2020  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 60 240 PM 68 -8 76  
MINIMUM 47 311 AM 47 0 44  
AVERAGE 54 57 -3 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.10 -0.10 0.00  
MONTH TO DATE 1.20 1.74 -0.54 1.35  
SINCE MAR 1 5.92 6.69 -0.77 4.64  
SINCE JAN 1 8.78 10.01 -1.23 7.73  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 1.6 8.1 -6.5 4.0  
SINCE JUL 1 34.4 41.5 -7.1 44.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 9 2 5  
MONTH TO DATE 253 175 78 213  
SINCE MAR 1 1675 1716 -41 1828  
SINCE JUL 1 6309 6815 -506 6908  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 0  
SINCE MAR 1 0 12 -12 0  
SINCE JAN 1 0 12 -12 0    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 11.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 77 700 PM  
AVERAGE 89  
   
......................................................
 
 
SUNRISE AND SUNSET  
MAY 17 2020...........SUNRISE 609 AM EDT SUNSET 857 PM EDT  
MAY 18 2020...........SUNRISE 608 AM EDT SUNSET 858 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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