539  
CDUS43 KGRR 230608  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
207 AM EDT SUN JUL 23 2017  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR JULY 22 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1892 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 358 PM 97 1934 83 0 87  
MINIMUM 69 1159 PM 43 1947 63 6 71  
AVERAGE 76 73 3 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.36 1991 0.13 -0.12 0.00  
MONTH TO DATE 1.09 2.68 -1.59 2.49  
SINCE JUN 1 5.97 6.45 -0.48 3.64  
SINCE JAN 1 22.57 20.03 2.54 20.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0  
2005  
2004  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 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 22 45 -23 21  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 8 3 14  
MONTH TO DATE 177 173 4 209  
SINCE JUN 1 339 318 21 399  
SINCE JAN 1 369 365 4 470    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE 20 PERCENT  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 69 400 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1934  
MINIMUM TEMPERATURE (F) 63 45 1985  
1947  
 
 
SUNRISE AND SUNSET  
JULY 23 2017..........SUNRISE 624 AM EDT SUNSET 912 PM EDT  
JULY 24 2017..........SUNRISE 625 AM EDT SUNSET 911 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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