Climatological Report (Daily)
Issued by NWS Missoula, MT

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637
CDUS45 KMSO 190737
CLIBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT FRI SEP 19 2025

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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 18 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76    423 PM  91    1981  68      8       57
  MINIMUM         36    654 AM   6    1965  36      0       46
  AVERAGE         56                        52      4       52

PRECIPITATION (IN)
  YESTERDAY        0.00          0.74 1976   0.04  -0.04      T
  MONTH TO DATE    0.37                      0.68  -0.31     0.80
  SINCE JAN 1      8.65                     10.45  -1.80     6.89

SNOWFALL (IN)
  YESTERDAY       MM
  MONTH TO DATE   MM
  SINCE SEP 1     MM
  SINCE JUL 1     MM
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        9                        13     -4       13
  MONTH TO DATE  130                       183    -53      110
  SINCE SEP 1    130                       183    -53      110
  SINCE JUL 1    281                       398   -117      298

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        2
  SINCE SEP 1      3                         0      3        2
  SINCE JAN 1     60                        81    -21      127
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     3.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           700 AM
 LOWEST     20           400 PM
 AVERAGE    58

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        86      1956
                                             2009
 MINIMUM TEMPERATURE (F)   36        16      1983


SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE   714 AM MDT   SUNSET   733 PM MDT
SEPTEMBER 20 2025.....SUNRISE   715 AM MDT   SUNSET   731 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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