317
CDUS45 KBYZ 180330
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
930 PM MDT WED SEP 17 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 17 2025
VALID AS OF 0900 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 73 433 PM 91 2009 74 -1 75
MINIMUM 51 731 AM 26 1965 48 3 53
AVERAGE 62 61 1 64
PRECIPITATION (IN)
TODAY 0.00 0.57 1942 0.04 -0.04 0.07
MONTH TO DATE 0.71 0.72 -0.01 0.49
SINCE OCT 1 15.47 13.67 1.80 11.82
SINCE JAN 1 14.17 11.13 3.04 9.43
SNOWFALL (IN)
TODAY MM T 1965 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 3 6 -3 1
MONTH TO DATE 26 63 -37 12
SINCE SEP 1 26 63 -37 12
SINCE JUL 1 42 99 -57 26
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 51 48 3 82
SINCE SEP 1 51 48 3 82
SINCE JAN 1 636 643 -7 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 41 300 PM
AVERAGE 69
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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