Climatological Report (Daily)
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410
CDUS45 KTFX 110735
CLILWT

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT MON AUG 11 2025

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

...THE LEWISTOWN MT CLIMATE SUMMARY FOR AUGUST 10 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         79    355 PM 100    2003  83     -4       78
  MINIMUM         47    533 AM  33    1902  51     -4       46
  AVERAGE         63                        67     -4       62

PRECIPITATION (IN)
  YESTERDAY        0.00          1.20 1907   0.06  -0.06      T
  MONTH TO DATE    1.19                      0.52   0.67     0.16
  SINCE OCT 1     13.70                     14.61  -0.91    13.95
  SINCE JAN 1     12.33                     12.16   0.17    11.49

SNOWFALL (IN)
  YESTERDAY       MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        2                         2      0        3
  MONTH TO DATE   17                        12      5       23
  SINCE JUN 1    262                       303    -41      314
  SINCE JUL 1     68                        77     -9       71

 COOLING
  YESTERDAY        0                         4     -4        0
  MONTH TO DATE   13                        40    -27       44
  SINCE JUN 1     92                       158    -66      201
  SINCE JAN 1     95                       159    -64      201
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     7.4


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM
 LOWEST     30           400 PM
 AVERAGE    64

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


THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       101      2018
 MINIMUM TEMPERATURE (F)   51        31      1896


SUNRISE AND SUNSET
AUGUST 11 2025........SUNRISE   610 AM MDT   SUNSET   835 PM MDT
AUGUST 12 2025........SUNRISE   612 AM MDT   SUNSET   833 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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