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CDUS45 KTFX 200746
CLIGTF

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
146 AM MDT SUN SEP 20 2026

...................................

...THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 19 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         64        MM  92    2009  70     -6       81
  MINIMUM         52        MM  26    1957  42     10       47
  AVERAGE         58                        56      2       64

PRECIPITATION (IN)
  YESTERDAY        0.00          1.51 1925   0.05  -0.05     0.00
  MONTH TO DATE    0.96                      0.86   0.10     0.26
  SINCE OCT 1     16.76                     14.29   2.47    11.39
  SINCE JAN 1     14.92                     12.01   2.91    10.31

SNOWFALL (IN)
  YESTERDAY        0.0           0.3  1983   0.0    0.0      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        7                         9     -2        1
  MONTH TO DATE  124                       131     -7       46
  SINCE SEP 1    124                       131     -7       46
  SINCE JUL 1    186                       245    -59       89

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE    8                        23    -15       26
  SINCE SEP 1      8                        23    -15       26
  SINCE JAN 1    378                       306     72      325
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     E (90)
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM
  AVERAGE WIND SPEED     4.4


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           800 AM
 LOWEST     52           100 PM
 AVERAGE    68

..........................................................


THE GREAT FALLS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        93      1917
 MINIMUM TEMPERATURE (F)   42        24      1995


SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE   710 AM MDT   SUNSET   727 PM MDT
SEPTEMBER 21 2026.....SUNRISE   711 AM MDT   SUNSET   725 PM MDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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