Climatological Report (Daily)
Issued by NWS Billings, MT

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440
CDUS45 KBYZ 300940
CLIBIL

CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
340 AM MDT WED SEP 30 2026

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

...THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 29 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         77    351 PM  94    2024  68      9       82
  MINIMUM         47    629 AM  26    1985  44      3       55
  AVERAGE         62                        56      6       69

PRECIPITATION (IN)
  YESTERDAY        0.00          0.34 1950   0.04  -0.04     0.00
  MONTH TO DATE    4.63                      1.31   3.32     0.90
  SINCE OCT 1     16.28                     14.26   2.02    15.66
  SINCE JAN 1     12.40                     11.72   0.68    14.36

SNOWFALL (IN)
  YESTERDAY        0.0           2.3  1961   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.3   -0.3      0.0
  SINCE SEP 1      0.0                       0.3   -0.3      0.0
  SINCE JUL 1      0.0                       0.3   -0.3       T
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        3                        10     -7        0
  MONTH TO DATE   95                       158    -63       47
  SINCE SEP 1     95                       158    -63       47
  SINCE JUL 1    103                       194    -91       63

 COOLING
  YESTERDAY        0                         1     -1        4
  MONTH TO DATE   50                        62    -12       68
  SINCE SEP 1     50                        62    -12       68
  SINCE JAN 1    837                       657    180      653
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED    12.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           500 AM
 LOWEST     36           700 PM
 AVERAGE    57

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


THE BILLINGS MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   67        90      1963
 MINIMUM TEMPERATURE (F)   44        23      1985


SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE   711 AM MDT   SUNSET   656 PM MDT
OCTOBER  1 2026.......SUNRISE   713 AM MDT   SUNSET   654 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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