Climatological Report (Daily)
Issued by NWS
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995
CDUS45 KTFX 150740
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
140 AM MDT TUE SEP 15 2026
...................................
...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 14 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 133 PM 94 1948 74 -13 79
MINIMUM 45 1158 PM 18 1970 45 0 47
AVERAGE 53 60 -7 63
PRECIPITATION (IN)
YESTERDAY 0.00 1.05 1906 0.03 -0.03 0.43
MONTH TO DATE 0.73 0.47 0.26 0.43
SINCE OCT 1 13.21 10.91 2.30 11.81
SINCE JAN 1 10.54 9.08 1.46 11.05
SNOWFALL (IN)
YESTERDAY 0.0 2.4 1982 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.3 -0.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 12 6 6 2
MONTH TO DATE 56 68 -12 16
SINCE SEP 1 56 68 -12 16
SINCE JUL 1 80 131 -51 42
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 22 -14 34
SINCE SEP 1 8 22 -14 34
SINCE JAN 1 493 427 66 465
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 73 1000 PM
LOWEST 40 200 PM
AVERAGE 57
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 94 2000
MINIMUM TEMPERATURE (F) 45 22 1970
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 706 AM MDT SUNSET 739 PM MDT
SEPTEMBER 16 2026.....SUNRISE 707 AM MDT SUNSET 737 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$