162  
CDUS45 KTFX 212240  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
440 PM MDT THU OCT 21 2021  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 21 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 64 244 PM 82 2003 55 9 49  
MINIMUM 39 233 AM 15 1981 31 8 25  
1984  
AVERAGE 52 43 9 37  
 
PRECIPITATION (IN)  
TODAY 0.00 0.63 1975 0.02 -0.02 0.01  
MONTH TO DATE 0.01 0.55 -0.54 1.03  
SINCE OCT 1 0.01 0.55 -0.54 1.03  
SINCE JAN 1 7.19 10.12 -2.93 8.30  
 
DEGREE DAYS  
HEATING  
TODAY 13 22 -9 28  
MONTH TO DATE 217 361 -144 296  
SINCE SEP 1 330 571 -241 448  
SINCE JUL 1 377 634 -257 467  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 1  
SINCE SEP 1 40 28 12 49  
SINCE JAN 1 781 433 348 507    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 200 AM  
LOWEST 35 300 PM  
AVERAGE 56  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 78 1915  
MINIMUM TEMPERATURE (F) 31 10 1957  
 
SUNRISE AND SUNSET  
OCTOBER 21 2021.......SUNRISE 754 AM MDT SUNSET 630 PM MDT  
OCTOBER 22 2021.......SUNRISE 756 AM MDT SUNSET 628 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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