601
CDUS45 KBYZ 211731
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1131 AM MDT MON SEP 21 2026
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 21 2026
VALID AS OF 1100 AM LOCAL TIME.
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)
TODAY
MAXIMUM 55 100 AM 91 1938 72 -17 87
MINIMUM 51 219 AM 28 1995 47 4 57
AVERAGE 53 59 -6 72
PRECIPITATION (IN)
TODAY 0.00 0.67 1991 0.05 -0.05 0.00
MONTH TO DATE 4.49 0.91 3.58 0.71
SINCE OCT 1 16.14 13.86 2.28 15.47
SINCE JAN 1 12.26 11.32 0.94 14.17
SNOWFALL (IN)
TODAY 0.0 0.5 2000 0.0 0.0 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
TODAY 12 7 5 0
MONTH TO DATE 72 89 -17 30
SINCE SEP 1 72 89 -17 30
SINCE JUL 1 80 125 -45 46
COOLING
TODAY 0 1 -1 7
MONTH TO DATE 45 54 -9 60
SINCE SEP 1 45 54 -9 60
SINCE JAN 1 832 649 183 645
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WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 89 1000 AM
AVERAGE 95
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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