275
CDUS45 KBYZ 231740
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1140 AM MDT TUE SEP 23 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 23 2025
VALID AS OF 1100 AM 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 67 859 AM 91 1966 71 -4 76
1992
2011
MINIMUM 44 635 AM 23 1984 46 -2 55
AVERAGE 56 58 -2 66
PRECIPITATION (IN)
TODAY 0.00 0.84 2007 0.05 -0.05 0.00
MONTH TO DATE 0.90 1.01 -0.11 1.72
SINCE OCT 1 15.66 13.96 1.70 13.05
SINCE JAN 1 14.36 11.42 2.94 10.66
SNOWFALL (IN)
TODAY MM 6.2 1984 0.0 MM 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 T 0.1 -0.1 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 9 8 1 0
MONTH TO DATE 47 104 -57 43
SINCE SEP 1 47 104 -57 43
SINCE JUL 1 63 140 -77 57
COOLING
TODAY 0 1 -1 1
MONTH TO DATE 60 56 4 83
SINCE SEP 1 60 56 4 83
SINCE JAN 1 645 651 -6 750
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 62 1000 AM
AVERAGE 78
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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