Climatological Report (Daily)
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877
CDUS45 KTFX 180731
CLIGTF
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT FRI SEP 18 2026
...................................
...THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1886 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 405 PM 92 2009 71 0 77
MINIMUM 39 608 AM 26 1965 43 -4 44
AVERAGE 55 57 -2 61
PRECIPITATION (IN)
YESTERDAY 0.00 1.09 1988 0.04 -0.04 0.00
1996
MONTH TO DATE 0.96 0.77 0.19 0.26
SINCE OCT 1 16.76 14.20 2.56 11.39
SINCE JAN 1 14.92 11.92 3.00 10.31
SNOWFALL (IN)
YESTERDAY 0.0 4.5 1988 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.5 -0.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 9 1 4
MONTH TO DATE 114 113 1 43
SINCE SEP 1 114 113 1 43
SINCE JUL 1 176 227 -51 86
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 8 21 -13 26
SINCE SEP 1 8 21 -13 26
SINCE JAN 1 378 304 74 325
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 600 AM
LOWEST 42 400 PM
AVERAGE 71
..........................................................
THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 93 1981
MINIMUM TEMPERATURE (F) 42 23 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 707 AM MDT SUNSET 731 PM MDT
SEPTEMBER 19 2026.....SUNRISE 708 AM MDT SUNSET 729 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$