244  
CDUS43 KGRR 221324  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
924 AM EDT SUN OCT 22 2017  
 
   
...............................
 
 
   
..THE GRAND RAPIDS MI CLIMATE SUMMARY FOR OCTOBER 22 2017
 
 
VALID AS OF 0900 AM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 65 149 AM 82 1979 58 7 55  
1953  
MINIMUM 59 505 AM 23 1944 40 19 38  
AVERAGE 62 49 13 47  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1929 0.10 -0.10 0.00  
MONTH TO DATE 5.03 2.30 2.73 5.15  
SINCE SEP 1 5.69 6.58 -0.89 7.55  
SINCE JAN 1 30.01 31.30 -1.29 39.09  
 
SNOWFALL (IN)  
TODAY 0.0 0.9 1987 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 3 16 -13 18  
MONTH TO DATE 112 280 -168 168  
SINCE SEP 1 195 412 -217 212  
SINCE JUL 1 211 432 -221 212  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 10 4 6 10  
SINCE SEP 1 146 71 75 105  
SINCE JAN 1 718 696 22 936    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.2  
 
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 500 AM  
LOWEST 60 1200 AM  
AVERAGE 68  
   
......................................................
 
 
 
THE GRAND RAPIDS MI CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 83 1963  
MINIMUM TEMPERATURE (F) 40 19 1969  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2017.......SUNRISE 804 AM EDT SUNSET 648 PM EDT  
OCTOBER 23 2017.......SUNRISE 805 AM EDT SUNSET 647 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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