521
CDUS45 KBYZ 221730
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1130 AM MDT MON SEP 22 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 22 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 64 1208 AM 91 1938 71 -7 75
MINIMUM 52 959 AM 25 2000 47 5 39
AVERAGE 58 59 -1 57
PRECIPITATION (IN)
TODAY 0.18 0.55 2006 0.05 0.13 0.00
MONTH TO DATE 0.89 0.96 -0.07 1.72
SINCE OCT 1 15.65 13.91 1.74 13.05
SINCE JAN 1 14.35 11.37 2.98 10.66
SNOWFALL (IN)
TODAY MM 5.0 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 7 7 0 8
MONTH TO DATE 37 96 -59 43
SINCE SEP 1 37 96 -59 43
SINCE JUL 1 53 132 -79 57
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 60 55 5 82
SINCE SEP 1 60 55 5 82
SINCE JAN 1 645 650 -5 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 AM
LOWEST 51 400 AM
AVERAGE 74
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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