Climatological Report (Daily)
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CDUS45 KTFX 202240
CLIGTF

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT SUN SEP 20 2026

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         73    259 PM  93    1917  70      3       88
  MINIMUM         44    541 AM  24    1995  42      2       45
  AVERAGE         59                        56      3       67

PRECIPITATION (IN)
  TODAY            0.00          0.72 1968   0.04  -0.04     0.00
  MONTH TO DATE    0.96                      0.90   0.06     0.26
  SINCE OCT 1     16.76                     14.33   2.43    11.39
  SINCE JAN 1     14.92                     12.05   2.87    10.31

DEGREE DAYS
 HEATING
  TODAY            6                        10     -4        0
  MONTH TO DATE  130                       141    -11       46
  SINCE SEP 1    130                       141    -11       46
  SINCE JUL 1    192                       255    -63       89

 COOLING
  TODAY            0                         1     -1        2
  MONTH TO DATE    8                        24    -16       28
  SINCE SEP 1      8                        24    -16       28
  SINCE JAN 1    378                       307     71      327
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           500 AM
 LOWEST     34           300 PM
 AVERAGE    62

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        90      1917
 MINIMUM TEMPERATURE (F)   41        20      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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