601  
CDUS43 KDTX 210555  
CLIMBS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI  
155 AM EDT THU MAY 21 2020  
   
...............................
 
 
   
..THE TRI CITIES MI CLIMATE SUMMARY FOR MAY 20 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 70 343 PM 69 1 59  
MINIMUM 48 514 AM 48 0 44  
AVERAGE 59 59 0 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.12 -0.12 0.00  
MONTH TO DATE 5.19 2.21 2.98 1.50  
SINCE MAR 1 9.91 7.16 2.75 4.79  
SINCE JAN 1 12.77 10.48 2.29 7.88  
 
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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8 -2 13  
MONTH TO DATE 288 207 81 243  
SINCE MAR 1 1710 1748 -38 1858  
SINCE JUL 1 6344 6847 -503 6938  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 12 -12 0  
SINCE MAR 1 0 16 -16 0  
SINCE JAN 1 0 16 -16 0    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 AM  
LOWEST 39 400 PM  
AVERAGE 68  
   
......................................................
 
 
SUNRISE AND SUNSET  
MAY 21 2020...........SUNRISE 605 AM EDT SUNSET 901 PM EDT  
MAY 22 2020...........SUNRISE 605 AM EDT SUNSET 902 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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