Climatological Report (Daily)
Issued by NWS
Issued by NWS
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789
CDUS45 KTFX 160741
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
141 AM MDT THU OCT 16 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR OCTOBER 15 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 44 423 PM 83 1991 58 -14 74
MINIMUM 34 1159 PM 16 1930 34 0 39
1969
AVERAGE 39 46 -7 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.92 1938 0.03 -0.03 0.00
MONTH TO DATE 1.30 0.40 0.90 T
SINCE OCT 1 1.30 0.40 0.90 T
SINCE JAN 1 12.52 9.97 2.55 9.05
SNOWFALL (IN)
YESTERDAY 0.0 6.7 1938 0.1 -0.1 0.0
MONTH TO DATE 4.2 0.9 3.3 0.0
SINCE SEP 1 4.2 1.1 3.1 0.0
SINCE JUL 1 4.2 1.4 2.8 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 26 19 7 8
MONTH TO DATE 258 236 22 116
SINCE SEP 1 330 446 -116 199
SINCE JUL 1 356 509 -153 211
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 36 28 8 72
SINCE JAN 1 467 433 34 590
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1100 PM
LOWEST 73 400 PM
AVERAGE 83
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 80 1927
1991
MINIMUM TEMPERATURE (F) 33 12 1946
SUNRISE AND SUNSET
OCTOBER 16 2025.......SUNRISE 747 AM MDT SUNSET 639 PM MDT
OCTOBER 17 2025.......SUNRISE 749 AM MDT SUNSET 637 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$