165
CDUS45 KBYZ 122231
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
431 PM MDT FRI SEP 12 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 12 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 215 PM 93 1981 76 4 68
1990
2015
MINIMUM 54 717 AM 30 1970 50 4 53
2014
AVERAGE 67 63 4 61
PRECIPITATION (IN)
TODAY 0.00 1.06 1993 0.04 -0.04 0.31
MONTH TO DATE 0.04 0.50 -0.46 0.42
SINCE OCT 1 14.80 13.45 1.35 11.75
SINCE JAN 1 13.50 10.91 2.59 9.36
SNOWFALL (IN)
TODAY 0.0 0.4 1970 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 T 0.0 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 4 -4 4
MONTH TO DATE 10 38 -28 4
SINCE SEP 1 10 38 -28 4
SINCE JUL 1 26 74 -48 18
COOLING
TODAY 2 2 0 0
MONTH TO DATE 50 38 12 76
SINCE SEP 1 50 38 12 76
SINCE JAN 1 635 633 2 743
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77 200 AM
LOWEST 30 300 PM
AVERAGE 54
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1959
2015
MINIMUM TEMPERATURE (F) 50 29 1970
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 649 AM MDT SUNSET 730 PM MDT
SEPTEMBER 13 2025.....SUNRISE 650 AM MDT SUNSET 728 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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