342
CDUS45 KTFX 190742
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
142 AM MDT TUE AUG 19 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR AUGUST 18 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 87 521 PM 100 2001 84 3 96
MINIMUM 54 549 AM 39 1954 53 1 55
1995
AVERAGE 71 68 3 76
PRECIPITATION (IN)
YESTERDAY 0.00 0.79 1912 0.03 -0.03 0.01
MONTH TO DATE 1.36 0.62 0.74 0.32
SINCE OCT 1 10.72 10.02 0.70 8.90
SINCE JAN 1 9.96 8.19 1.77 7.38
SNOWFALL (IN)
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0
1999
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.1 -0.1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 9 2 0
SINCE JUN 1 134 176 -42 88
SINCE JUL 1 23 32 -9 2
COOLING
YESTERDAY 6 5 1 11
MONTH TO DATE 97 113 -16 113
SINCE JUN 1 337 355 -18 464
SINCE JAN 1 362 362 0 464
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 4.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 28 500 PM
AVERAGE 58
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 2008
MINIMUM TEMPERATURE (F) 52 34 1995
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 632 AM MDT SUNSET 830 PM MDT
AUGUST 20 2025........SUNRISE 633 AM MDT SUNSET 829 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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