Climatological Report (Daily)
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383
CDUS45 KTFX 100731
CLILWT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT SUN AUG 10 2025

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 9 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         70    246 PM 100    1940  83    -13       74
  MINIMUM         49   1159 PM  31    1902  51     -2       44
  AVERAGE         60                        67     -7       59

PRECIPITATION (IN)
  YESTERDAY        T             0.62 1939   0.06  -0.06     0.00
  MONTH TO DATE    1.19                      0.46   0.73     0.16
  SINCE OCT 1     13.70                     14.55  -0.85    13.95
  SINCE JAN 1     12.33                     12.10   0.23    11.49

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        5                         2      3        6
  MONTH TO DATE   15                        10      5       20
  SINCE JUN 1    260                       301    -41      311
  SINCE JUL 1     66                        75     -9       68

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   13                        36    -23       44
  SINCE JUN 1     92                       154    -62      201
  SINCE JAN 1     95                       155    -60      201
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    11.3


SKY COVER
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89          1000 PM
 LOWEST     49          1200 PM
 AVERAGE    69

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       100      2003
 MINIMUM TEMPERATURE (F)   51        33      1902


SUNRISE AND SUNSET
AUGUST 10 2025........SUNRISE   609 AM MDT   SUNSET   836 PM MDT
AUGUST 11 2025........SUNRISE   610 AM MDT   SUNSET   835 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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