762  
CDUS43 KDTX 180536  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
136 AM EDT THU MAY 18 2023  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 17 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1912 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 423 PM 89 1936 69 -15 66  
MINIMUM 40 1159 PM 32 1983 48 -8 42  
AVERAGE 47 59 -12 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.98 1986 0.11 -0.11 0.00  
MONTH TO DATE 0.57 1.90 -1.33 0.85  
SINCE MAR 1 6.50 7.11 -0.61 6.02  
SINCE JAN 1 11.64 10.80 0.84 8.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 11.0 8.4 2.6 4.2  
SINCE JUL 1 46.7 49.0 -2.3 36.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 8 10 11  
MONTH TO DATE 173 173 0 130  
SINCE MAR 1 1615 1709 -94 1712  
SINCE JUL 1 5982 6654 -672 6373  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 4 10 -6 38  
SINCE MAR 1 18 13 5 40  
SINCE JAN 1 18 13 5 40    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 46 500 PM  
AVERAGE 66  
   
......................................................
 
 
THE TRI CITIES MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 1998  
MINIMUM TEMPERATURE (F) 49 31 1925  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 609 AM EDT SUNSET 857 PM EDT  
MAY 19 2023...........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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