836
CDUS45 KTFX 220736
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
136 AM MDT MON SEP 22 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 21 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 221 PM 90 1966 71 9 66
1967
MINIMUM 47 502 AM 20 1995 43 4 37
AVERAGE 64 57 7 52
PRECIPITATION (IN)
YESTERDAY 0.02 1.30 1937 0.03 -0.01 0.00
MONTH TO DATE 0.59 0.70 -0.11 1.23
SINCE OCT 1 11.97 11.14 0.83 10.57
SINCE JAN 1 11.21 9.31 1.90 9.05
SNOWFALL (IN)
YESTERDAY 0.0 1.6 1968 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 8 -7 13
MONTH TO DATE 38 119 -81 57
SINCE SEP 1 38 119 -81 57
SINCE JUL 1 64 182 -118 69
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 36 27 9 62
SINCE SEP 1 36 27 9 62
SINCE JAN 1 467 432 35 580
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 4.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 900 PM
LOWEST 31 400 PM
AVERAGE 62
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 89 1966
MINIMUM TEMPERATURE (F) 43 21 1934
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 715 AM MDT SUNSET 725 PM MDT
SEPTEMBER 23 2025.....SUNRISE 717 AM MDT SUNSET 723 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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