539
CDUS45 KBYZ 181733
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
1133 AM MDT THU SEP 18 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID AS OF 1100 AM 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 63 959 AM 92 1937 73 -10 61
1984
MINIMUM 48 650 AM 28 1971 48 0 50
AVERAGE 56 61 -5 56
PRECIPITATION (IN)
TODAY 0.00 1.97 1978 0.04 -0.04 1.23
MONTH TO DATE 0.71 0.76 -0.05 1.72
SINCE OCT 1 15.47 13.71 1.76 13.05
SINCE JAN 1 14.17 11.17 3.00 10.66
SNOWFALL (IN)
TODAY 0.0 2.8 1983 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
TODAY 9 6 3 9
MONTH TO DATE 35 69 -34 21
SINCE SEP 1 35 69 -34 21
SINCE JUL 1 51 105 -54 35
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 51 50 1 82
SINCE SEP 1 51 50 1 82
SINCE JAN 1 636 645 -9 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 700 AM
LOWEST 58 1000 AM
AVERAGE 76
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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