671  
CDUS43 KGRR 202209  
CLIGRR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GRAND RAPIDS, MI  
508 PM EST THU JAN 20 2005  
      
...................
 
 
   
THE GRAND RAPIDS CLIMATE SUMMARY FOR JANUARY 20 2005...
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1880 TO 2005  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL      
........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 18 MM 64 1906 29 -11 21  
MINIMUM 14 MM -15 1984 15 -1 7  
AVERAGE 16 22 -6 14  
 
PRECIPITATION (IN)  
TODAY 0.00 1.28 1974 0.06 -0.06 0.00  
MONTH TO DATE 3.93 1.37 2.56 1.16  
SINCE DEC 1 6.31 4.07 2.24 2.39  
SINCE JAN 1 3.93 1.37 2.56 1.16  
 
SNOWFALL (IN)  
TODAY 0.0 6.8 1963 0.7 -0.7 0.0  
MONTH TO DATE 15.2 14.0 1.2 24.9  
SINCE DEC 1 28.3 32.8 -4.5 33.3  
SINCE JUL 1 38.6 41.1 -2.5 37.6  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
TODAY 49 43 6 51  
MONTH TO DATE 795 844 -49 843  
SINCE DEC 1 1944 1991 -47 1868  
SINCE JUL 1 3238 3448 -210 3232  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0      
........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 8.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 900 AM  
LOWEST 67 1200 AM  
AVERAGE 72      
................................................
 
 
 
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 61 1906  
MINIMUM TEMPERATURE (F) 15 -15 1984  
 
SUNRISE AND SUNSET  
JANUARY 20 2005.......SUNRISE 807 AM EST SUNSET 540 PM EST  
JANUARY 21 2005.......SUNRISE 806 AM EST SUNSET 541 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
      
...................
 
 
   
THE LANSING CLIMATE SUMMARY FOR JANUARY 20 2005...
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1864 TO 2005  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL      
........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 18 300 PM 53 1921 29 -11 15  
MINIMUM 13 MM -16 1888 13 0 -14  
AVERAGE 16 21 -5 1  
 
PRECIPITATION (IN)  
TODAY T 1.23 1974 0.05 -0.05 T  
MONTH TO DATE 3.85 1.06 2.79 0.52  
SINCE DEC 1 5.69 3.23 2.46 1.95  
SINCE JAN 1 3.85 1.06 2.79 0.52  
 
SNOWFALL (IN)  
TODAY T MM MM 0.4 -0.4 T  
MONTH TO DATE 14.0 9.6 4.4 12.9  
SINCE DEC 1 27.9 22.8 5.1 22.1  
SINCE JUL 1 33.4 28.4 5.0 23.2  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
TODAY 49 44 5 64  
MONTH TO DATE 790 857 -67 893  
SINCE DEC 1 1925 2024 -99 1949  
SINCE JUL 1 3235 3553 -318 3349  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0      
........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 100 AM  
LOWEST 67 400 AM  
AVERAGE 72      
................................................
 
 
 
THE LANSING CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 57 1916  
MINIMUM TEMPERATURE (F) 13 -19 1883  
 
SUNRISE AND SUNSET  
JANUARY 20 2005.......SUNRISE 803 AM EST SUNSET 536 PM EST  
JANUARY 21 2005.......SUNRISE 803 AM EST SUNSET 537 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
      
...................
 
 
   
THE MUSKEGON CLIMATE SUMMARY FOR JANUARY 20 2005...
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1895 TO 2005  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL      
........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 20 MM 45 1907 29 -9 21  
MINIMUM 16 MM -4 1962 17 -1 15  
AVERAGE 18 23 -5 18  
 
PRECIPITATION (IN)  
TODAY T 1.14 1974 0.07 -0.07 T  
MONTH TO DATE 2.97 1.50 1.47 0.78  
SINCE DEC 1 6.26 4.14 2.12 2.34  
SINCE JAN 1 2.97 1.50 1.47 0.78  
 
SNOWFALL (IN)  
TODAY T 10.0 1916 1.0 -1.0 T  
1918  
MONTH TO DATE 16.6 22.2 -5.6 22.2  
SINCE DEC 1 35.9 51.5 -15.6 29.5  
SINCE JUL 1 41.0 60.8 -19.8 30.0  
SNOW DEPTH 10  
 
DEGREE DAYS  
HEATING  
TODAY 47 42 5 47  
MONTH TO DATE 784 826 -42 811  
SINCE DEC 1 1886 1943 -57 1789  
SINCE JUL 1 3209 3413 -204 3073  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0      
........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 100 AM  
LOWEST 61 100 PM  
AVERAGE 71      
................................................
 
 
 
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 29 49 1997  
MINIMUM TEMPERATURE (F) 17 -5 1924  
 
SUNRISE AND SUNSET  
JANUARY 20 2005.......SUNRISE 811 AM EST SUNSET 542 PM EST  
JANUARY 21 2005.......SUNRISE 810 AM EST SUNSET 543 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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