530  
CDUS45 KTFX 220736  
CLIHLN  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
136 AM MDT WED MAY 22 2024  
   
...............................  
 
   
..THE HELENA MT CLIMATE SUMMARY FOR MAY 21 2024  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1866 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 352 PM 89 1980 68 -5 87  
MINIMUM 37 519 AM 27 1953 43 -6 53  
2021  
AVERAGE 50 56 -6 70  
 
PRECIPITATION (IN)  
YESTERDAY T 1.93 1981 0.07 -0.07 0.04  
MONTH TO DATE 1.15 1.12 0.03 0.74  
SINCE OCT 1 6.87 5.30 1.57 7.06  
SINCE JAN 1 5.35 3.47 1.88 3.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 2021 0.0 0.0 0.0  
MONTH TO DATE 0.5 0.1 0.4 0.0  
SINCE MAR 1 10.2 7.6 2.6 21.6  
SINCE JUL 1 57.9 37.2 20.7 48.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 10 5 0  
MONTH TO DATE 265 266 -1 118  
SINCE MAR 1 1626 1778 -152 1831  
SINCE JUL 1 6676 7272 -596 7416  
 
COOLING  
YESTERDAY 0 0 0 5  
MONTH TO DATE 0 0 0 11  
SINCE MAR 1 0 0 0 11  
SINCE JAN 1 0 0 0 11    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 1200 AM  
LOWEST 31 500 PM  
AVERAGE 51  
   
......................................................  
 
THE HELENA MT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 1928  
2001  
MINIMUM TEMPERATURE (F) 44 29 2021  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 546 AM MDT SUNSET 904 PM MDT  
MAY 23 2024...........SUNRISE 545 AM MDT SUNSET 905 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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