820  
CDUS45 KBOI 210930  
CLIJER  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
330 AM MDT THU AUG 21 2025  
   
...............................  
 
   
..THE JEROME ID CLIMATE SUMMARY FOR AUGUST 20 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1915 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 451 PM 101 1931 87 3 85  
MINIMUM 64 826 AM 38 1964 56 8 56  
AVERAGE 77 71 6 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.92 1968 0.01 -0.01 T  
MONTH TO DATE 0.00 0.21 -0.21 0.58  
SINCE OCT 1 6.44 9.51 -3.07 8.47  
SINCE JAN 1 3.57 6.47 -2.90 4.89  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 60 95 -35 55  
SINCE JUL 1 0 6 -6 0  
 
COOLING  
YESTERDAY 12 6 6 6  
MONTH TO DATE 163 170 -7 232  
SINCE JUN 1 580 558 22 750  
SINCE JAN 1 611 579 32 752    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 900 AM  
LOWEST 20 500 PM  
AVERAGE 37  
   
......................................................  
 
THE JEROME ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 101 1969  
MINIMUM TEMPERATURE (F) 55 42 1959  
1964  
1968  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 651 AM MDT SUNSET 830 PM MDT  
AUGUST 22 2025........SUNRISE 652 AM MDT SUNSET 828 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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