Climatological Report (Daily)
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531
CDUS45 KTFX 200733
CLILWT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MDT WED AUG 20 2025

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 19 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         93    350 PM  97    2008  81     12       87
  MINIMUM         58    503 AM  31    1907  49      9       58
  AVERAGE         76                        65     11       73

PRECIPITATION (IN)
  YESTERDAY        0.00          1.47 1964   0.06  -0.06     0.49
  MONTH TO DATE    1.73                      1.04   0.69     0.96
  SINCE OCT 1     14.24                     15.13  -0.89    14.75
  SINCE JAN 1     12.87                     12.68   0.19    12.29

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   18                        32    -14       27
  SINCE JUN 1    263                       323    -60      318
  SINCE JUL 1     69                        97    -28       75

 COOLING
  YESTERDAY       11                         3      8        8
  MONTH TO DATE   55                        69    -14       76
  SINCE JUN 1    134                       187    -53      233
  SINCE JAN 1    137                       188    -51      233
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     7.2


SKY COVER
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           600 AM
 LOWEST     18           200 PM
 AVERAGE    47

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   80        97      1931
 MINIMUM TEMPERATURE (F)   49        32      1916


SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE   622 AM MDT   SUNSET   819 PM MDT
AUGUST 21 2025........SUNRISE   623 AM MDT   SUNSET   817 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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