Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 110735
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT MON AUG 11 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 10 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 84 330 PM 102 2003 87 -3 81
MINIMUM 54 523 AM 39 1939 55 -1 54
AVERAGE 69 71 -2 68
PRECIPITATION (IN)
YESTERDAY 0.00 0.88 2010 0.03 -0.03 0.12
MONTH TO DATE 0.37 0.35 0.02 0.25
SINCE OCT 1 9.73 9.75 -0.02 8.83
SINCE JAN 1 8.97 7.92 1.05 7.31
SNOWFALL (IN)
YESTERDAY 0.0 0.0 1995 0.0 0.0 0.0
1999
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 1 10 0
SINCE JUN 1 134 168 -34 88
SINCE JUL 1 23 24 -1 2
COOLING
YESTERDAY 4 6 -2 3
MONTH TO DATE 35 70 -35 73
SINCE JUN 1 275 312 -37 424
SINCE JAN 1 300 319 -19 424
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 300 AM
LOWEST 25 300 PM
AVERAGE 50
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2018
MINIMUM TEMPERATURE (F) 54 40 1947
1977
1997
SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE 622 AM MDT SUNSET 844 PM MDT
AUGUST 12 2025........SUNRISE 623 AM MDT SUNSET 842 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$