029  
CDUS45 KTFX 010732  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
132 AM MDT THU JUN 01 2023  
   
...............................
 
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 31 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 215 PM 88 1956 70 7 65  
MINIMUM 55 533 AM 27 1917 46 9 45  
AVERAGE 66 58 8 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.95 2018 0.09 -0.09 0.00  
MONTH TO DATE 1.21 1.95 -0.74 1.14  
SINCE OCT 1 7.53 6.13 1.40 4.29  
SINCE JAN 1 4.12 4.30 -0.18 2.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 1951 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE MAR 1 21.6 7.6 14.0 1.6  
SINCE JUL 1 48.3 37.2 11.1 22.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 8 -8 10  
MONTH TO DATE 147 351 -204 382  
SINCE MAR 1 1860 1863 -3 1958  
SINCE JUL 1 7445 7357 88 6769  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 15 7 8 2  
SINCE MAR 1 15 7 8 2  
SINCE JAN 1 15 7 8 2    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 400 AM  
LOWEST 35 1100 AM  
AVERAGE 54  
   
......................................................
 
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1977  
1986  
MINIMUM TEMPERATURE (F) 46 33 1979  
2000  
 
SUNRISE AND SUNSET  
JUNE 1 2023..........SUNRISE 539 AM MDT SUNSET 914 PM MDT  
JUNE 2 2023..........SUNRISE 538 AM MDT SUNSET 915 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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