Climatological Report (Daily)
Issued by NWS Missoula, MT

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406
CDUS45 KMSO 180737
CLIBTM

CLIMATE REPORT
NATIONAL WEATHER SERVICE MISSOULA MT
137 AM MDT TUE AUG 18 2026

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

...THE BUTTE MT CLIMATE SUMMARY FOR AUGUST 17 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         78    229 PM  93    1919  80     -2       72
                                      2023
  MINIMUM         45    428 AM  30    1946  44      1       48
  AVERAGE         62                        62      0       60

PRECIPITATION (IN)
  YESTERDAY        0.01          0.44 1926   0.04  -0.03     0.09
  MONTH TO DATE    0.54                      0.71  -0.17     0.46
  SINCE JAN 1      8.33                      9.20  -0.87     7.81

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

DEGREE DAYS
 HEATING
  YESTERDAY        3                         4     -1        5
  MONTH TO DATE   40                        45     -5       61
  SINCE JUN 1    383                       426    -43      372
  SINCE JUL 1     68                       136    -68      119

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   10                        23    -13        8
  SINCE JUN 1    128                        77     51       46
  SINCE JAN 1    128                        77     51       46
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED     4.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     26           500 PM
 AVERAGE    60

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


THE BUTTE MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        93      1977
 MINIMUM TEMPERATURE (F)   44        31      1995


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   634 AM MDT   SUNSET   833 PM MDT
AUGUST 19 2026........SUNRISE   635 AM MDT   SUNSET   831 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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