643
CDUS45 KBYZ 210931
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
331 AM MDT MON SEP 21 2026
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 20 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1934 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 519 PM 91 1938 72 -9 82
MINIMUM 52 755 AM 26 1983 47 5 52
AVERAGE 58 60 -2 67
PRECIPITATION (IN)
YESTERDAY 0.16 0.68 2019 0.05 0.11 0.00
MONTH TO DATE 4.49 0.86 3.63 0.71
SINCE OCT 1 16.14 13.81 2.33 15.47
SINCE JAN 1 12.26 11.27 0.99 14.17
SNOWFALL (IN)
YESTERDAY 0.0 1.4 1995 0.1 -0.1 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 0.0 0.1 -0.1 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 7 0 0
MONTH TO DATE 60 82 -22 30
SINCE SEP 1 60 82 -22 30
SINCE JUL 1 68 118 -50 46
COOLING
YESTERDAY 0 1 -1 2
MONTH TO DATE 45 53 -8 53
SINCE SEP 1 45 53 -8 53
SINCE JAN 1 832 648 184 638
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1100 AM
LOWEST 72 500 PM
AVERAGE 85
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THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1938
MINIMUM TEMPERATURE (F) 47 28 1995
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 700 AM MDT SUNSET 713 PM MDT
SEPTEMBER 22 2026.....SUNRISE 701 AM MDT SUNSET 711 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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