Climatological Report (Daily)
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590
CDUS45 KTFX 180732
CLILWT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT MON AUG 18 2025

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 17 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         82    341 PM  98    1906  81      1       87
  MINIMUM         52    548 AM  31    1910  50      2       49
  AVERAGE         67                        65      2       68

PRECIPITATION (IN)
  YESTERDAY        0.44          0.88 1990   0.06   0.38     0.00
  MONTH TO DATE    1.73                      0.93   0.80     0.47
  SINCE OCT 1     14.24                     15.02  -0.78    14.26
  SINCE JAN 1     12.87                     12.57   0.30    11.80

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   18                        26     -8       27
  SINCE JUN 1    263                       317    -54      318
  SINCE JUL 1     69                        91    -22       75

 COOLING
  YESTERDAY        2                         3     -1        3
  MONTH TO DATE   41                        63    -22       60
  SINCE JUN 1    120                       181    -61      217
  SINCE JAN 1    123                       182    -59      217
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    48   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     4.9


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 PM
 LOWEST     38           200 PM
 AVERAGE    66

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   81        97      1964
 MINIMUM TEMPERATURE (F)   49        33      1902


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   619 AM MDT   SUNSET   823 PM MDT
AUGUST 19 2025........SUNRISE   621 AM MDT   SUNSET   821 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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