534  
CDUS43 KGRB 220720  
CLIGRB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREEN BAY  
220 AM CDT MON SEP 22 2025  
   
...............................  
 
   
..THE GREEN BAY WI CLIMATE SUMMARY FOR SEPTEMBER 21 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1886 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 2:57 PM 90 1895 70 7 83  
1908  
MINIMUM 58 11:27 PM 28 1974 48 10 52  
AVERAGE 68 59 9 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.83 1893 0.11 -0.09 0.17  
MONTH TO DATE 1.38 2.32 -0.94 0.63  
SINCE SEP 1 1.38 2.32 -0.94 0.63  
SINCE JAN 1 21.58 24.33 -2.75 27.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 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 7 -7 0  
MONTH TO DATE 84 90 -6 28  
SINCE SEP 1 84 90 -6 28  
SINCE JUL 1 142 131 11 44  
 
COOLING  
YESTERDAY 3 1 2 3  
MONTH TO DATE 28 41 -13 67  
SINCE SEP 1 28 41 -13 67  
SINCE JAN 1 527 498 29 600    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 58 3:00 PM  
AVERAGE 79  
   
......................................................  
 
THE GREEN BAY WI CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 93 1895  
MINIMUM TEMPERATURE (F) 48 27 1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2025.....SUNRISE 6:40 AM CDT SUNSET 6:49 PM CDT  
SEPTEMBER 23 2025.....SUNRISE 6:41 AM CDT SUNSET 6:47 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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