Climatological Report (Daily)
Issued by NWS Missoula, MT

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CDUS45 KMSO 172230
CLIBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
430 PM MDT THU SEP 17 2026

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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         72    259 PM  90    1981  69      3       69
  MINIMUM         43    349 AM   9    1965  36      7       38
  AVERAGE         58                        52      6       54

PRECIPITATION (IN)
  TODAY            T             1.45 1908   0.03  -0.03     0.00
  MONTH TO DATE    0.50                      0.64  -0.14     0.37
  SINCE JAN 1      9.06                     10.41  -1.35     8.65

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

DEGREE DAYS
 HEATING
  TODAY            7                        12     -5       11
  MONTH TO DATE  173                       170      3      121
  SINCE SEP 1    173                       170      3      121
  SINCE JUL 1    271                       385   -114      272

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE SEP 1      0                         0      0        3
  SINCE JAN 1    146                        81     65       60
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     3.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           400 AM
 LOWEST     36           100 PM
 AVERAGE    58

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


THE BUTTE MT CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   68        91      1981
 MINIMUM TEMPERATURE (F)   36         6      1965


SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE   711 AM MDT   SUNSET   737 PM MDT
SEPTEMBER 18 2026.....SUNRISE   712 AM MDT   SUNSET   735 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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