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CDUS45 KBYZ 211730
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1130 AM MDT SUN SEP 21 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 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 73 959 AM 91 1938 72 1 60
MINIMUM 57 311 AM 28 1995 47 10 43
AVERAGE 65 59 6 52
PRECIPITATION (IN)
TODAY 0.00 0.67 1991 0.05 -0.05 0.00
MONTH TO DATE 0.71 0.91 -0.20 1.72
SINCE OCT 1 15.47 13.86 1.61 13.05
SINCE JAN 1 14.17 11.32 2.85 10.66
SNOWFALL (IN)
TODAY MM 0.5 2000 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 0 7 -7 13
MONTH TO DATE 30 89 -59 35
SINCE SEP 1 30 89 -59 35
SINCE JUL 1 46 125 -79 49
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 53 54 -1 82
SINCE SEP 1 53 54 -1 82
SINCE JAN 1 638 649 -11 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 14.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 200 AM
LOWEST 30 1000 AM
AVERAGE 42
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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