312
CDUS45 KBYZ 211834
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1134 AM MST SUN DEC 21 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR DECEMBER 21 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 34 942 AM 58 2024 35 -1 58
MINIMUM 25 333 AM -26 1989 18 7 36
1990
AVERAGE 30 26 4 47
PRECIPITATION (IN)
TODAY 0.00 0.55 1966 0.02 -0.02 0.00
MONTH TO DATE 1.28 0.38 0.90 0.25
SINCE OCT 1 3.77 2.35 1.42 1.05
SINCE JAN 1 18.17 14.12 4.05 11.71
SNOWFALL (IN)
TODAY MM 4.7 1966 0.3 MM 0.0
MONTH TO DATE 14.1 6.2 7.9 T
SINCE DEC 1 14.1 6.2 7.9 T
SINCE JUL 1 21.1 17.5 3.6 3.9
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 35 38 -3 18
MONTH TO DATE 649 769 -120 586
SINCE DEC 1 649 769 -120 586
SINCE JUL 1 1878 2371 -493 1858
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 659 662 -3 790
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.7
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 300 AM
LOWEST 49 900 AM
AVERAGE 59
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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