Climatological Report (Daily)
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CDUS45 KTFX 172240
CLIGTF

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
440 PM MDT MON AUG 17 2026

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR AUGUST 17 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         83    259 PM 101    2023  83      0       82
  MINIMUM         51    234 AM  36    2002  50      1       53
  AVERAGE         67                        67      0       68

PRECIPITATION (IN)
  TODAY            0.00          0.91 2021   0.04  -0.04     0.01
  MONTH TO DATE    1.18                      0.61   0.57     0.42
  SINCE OCT 1     15.54                     12.82   2.72    10.94
  SINCE JAN 1     13.70                     10.54   3.16     9.86

DEGREE DAYS
 HEATING
  TODAY            0                         2     -2        0
  MONTH TO DATE   37                        22     15        9
  SINCE JUN 1    275                       263     12      182
  SINCE JUL 1     47                        70    -23       39

 COOLING
  TODAY            2                         4     -2        3
  MONTH TO DATE   46                        84    -38       74
  SINCE JUN 1    285                       244     41      237
  SINCE JAN 1    305                       247     58      251
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (360)
  AVERAGE WIND SPEED     6.1


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           400 AM
 LOWEST     25           300 PM
 AVERAGE    56

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


THE GREAT FALLS MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       101      1964
 MINIMUM TEMPERATURE (F)   50        40      1987


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   624 AM MDT   SUNSET   834 PM MDT
AUGUST 18 2026........SUNRISE   626 AM MDT   SUNSET   832 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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