Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 180814
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
214 AM MDT SAT OCT 18 2025
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR OCTOBER 17 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 147 PM 79 1927 56 7 51
MINIMUM 34 1159 PM 8 1930 32 2 32
AVERAGE 49 44 5 42
PRECIPITATION (IN)
YESTERDAY T 0.46 1980 0.03 -0.03 0.00
MONTH TO DATE 0.91 0.65 0.26 0.01
SINCE OCT 1 0.91 0.65 0.26 0.01
SINCE JAN 1 11.24 13.13 -1.89 12.76
SNOWFALL (IN)
YESTERDAY T 4.9 2020 0.2 -0.2 0.0
MONTH TO DATE 1.2 2.2 -1.0 0.0
SINCE SEP 1 1.2 3.0 -1.8 0.0
SINCE JUL 1 1.2 3.3 -2.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 21 -5 23
MONTH TO DATE 290 295 -5 149
SINCE SEP 1 360 553 -193 274
SINCE JUL 1 403 667 -264 325
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 2
SINCE SEP 1 34 25 9 61
SINCE JAN 1 333 308 25 385
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 55 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 20.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
MIXED PRECIP
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1000 PM
LOWEST 26 200 PM
AVERAGE 59
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 81 2003
MINIMUM TEMPERATURE (F) 32 6 1905
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 749 AM MDT SUNSET 631 PM MDT
OCTOBER 19 2025.......SUNRISE 750 AM MDT SUNSET 629 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$