290
CDUS45 KBYZ 170942
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
342 AM MDT WED SEP 17 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 16 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 69 335 PM 94 1979 74 -5 81
2019
MINIMUM 52 558 AM 29 1965 49 3 53
AVERAGE 61 61 0 67
PRECIPITATION (IN)
YESTERDAY 0.15 1.05 1959 0.05 0.10 0.00
MONTH TO DATE 0.71 0.68 0.03 0.42
SINCE OCT 1 15.47 13.63 1.84 11.75
SINCE JAN 1 14.17 11.09 3.08 9.36
SNOWFALL (IN)
YESTERDAY 0.0 1.3 1965 0.0 0.0 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 0
DEGREE DAYS
HEATING
YESTERDAY 4 5 -1 0
MONTH TO DATE 23 57 -34 11
SINCE SEP 1 23 57 -34 11
SINCE JUL 1 39 93 -54 25
COOLING
YESTERDAY 0 2 -2 2
MONTH TO DATE 51 46 5 82
SINCE SEP 1 51 46 5 82
SINCE JAN 1 636 641 -5 749
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 9.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 54 300 PM
AVERAGE 76
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THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 2009
MINIMUM TEMPERATURE (F) 48 26 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 655 AM MDT SUNSET 721 PM MDT
SEPTEMBER 18 2025.....SUNRISE 657 AM MDT SUNSET 719 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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