385
CDUS45 KBYZ 300933
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
333 AM MDT TUE SEP 30 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 29 2025
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)
YESTERDAY
MAXIMUM 82 242 PM 94 2024 68 14 94
MINIMUM 55 701 AM 26 1985 44 11 53
AVERAGE 69 56 13 74
PRECIPITATION (IN)
YESTERDAY 0.00 0.34 1950 0.04 -0.04 0.00
MONTH TO DATE 0.90 1.31 -0.41 1.72
SINCE OCT 1 15.66 14.26 1.40 13.05
SINCE JAN 1 14.36 11.72 2.64 10.66
SNOWFALL (IN)
YESTERDAY 0.0 2.3 1961 0.1 -0.1 0.0
MONTH TO DATE 0.0 0.3 -0.3 0.0
SINCE SEP 1 0.0 0.3 -0.3 0.0
SINCE JUL 1 T 0.3 -0.3 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 10 -10 0
MONTH TO DATE 47 158 -111 43
SINCE SEP 1 47 158 -111 43
SINCE JUL 1 63 194 -131 57
COOLING
YESTERDAY 4 1 3 9
MONTH TO DATE 68 62 6 118
SINCE SEP 1 68 62 6 118
SINCE JAN 1 653 657 -4 785
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 7.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 62 700 AM
LOWEST 30 100 PM
AVERAGE 46
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 1963
MINIMUM TEMPERATURE (F) 44 23 1985
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 712 AM MDT SUNSET 655 PM MDT
OCTOBER 1 2025.......SUNRISE 713 AM MDT SUNSET 653 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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