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CDUS45 KTFX 182240
CLIGTF

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT TUE AUG 18 2026

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 18 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         87   1243 PM 101    1964  83      4       90
  MINIMUM         53    531 AM  40    1987  50      3       48
  AVERAGE         70                        66      4       69

PRECIPITATION (IN)
  TODAY            0.00          1.58 1990   0.04  -0.04      T
  MONTH TO DATE    1.18                      0.65   0.53     0.42
  SINCE OCT 1     15.54                     12.86   2.68    10.94
  SINCE JAN 1     13.70                     10.58   3.12     9.86

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE   37                        24     13        9
  SINCE JUN 1    275                       265     10      182
  SINCE JUL 1     47                        72    -25       39

 COOLING
  TODAY            5                         4      1        4
  MONTH TO DATE   51                        88    -37       78
  SINCE JUN 1    290                       248     42      241
  SINCE JAN 1    310                       251     59      255
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (220)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     7.6


SKY COVER
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     18           100 PM
 AVERAGE    54

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       100      2025
 MINIMUM TEMPERATURE (F)   50        40      1913
                                             1973
                                             2005


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   626 AM MDT   SUNSET   832 PM MDT
AUGUST 19 2026........SUNRISE   627 AM MDT   SUNSET   830 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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