Climatological Report (Daily)
Issued by NWS Missoula, MT

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440
CDUS45 KMSO 150739
CLIBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
139 AM MDT TUE SEP 15 2026

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

...THE BUTTE MT CLIMATE SUMMARY FOR SEPTEMBER 14 2026...

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)
 YESTERDAY
  MAXIMUM         57    415 PM  87    1990  70    -13       74
  MINIMUM         34   1124 PM  21    1970  37     -3       37
  AVERAGE         46                        54     -8       56

PRECIPITATION (IN)
  YESTERDAY        T             1.08 1966   0.04  -0.04     0.12
  MONTH TO DATE    0.50                      0.54  -0.04     0.27
  SINCE JAN 1      9.06                     10.31  -1.25     8.55

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

DEGREE DAYS
 HEATING
  YESTERDAY       19                        12      7        9
  MONTH TO DATE  136                       134      2       81
  SINCE SEP 1    136                       134      2       81
  SINCE JUL 1    234                       349   -115      232

 COOLING
  YESTERDAY        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    22   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1100 PM
 LOWEST     40           400 PM
 AVERAGE    63

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        93      2000
 MINIMUM TEMPERATURE (F)   37        22      1970


SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE   708 AM MDT   SUNSET   741 PM MDT
SEPTEMBER 16 2026.....SUNRISE   710 AM MDT   SUNSET   739 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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