Climatological Report (Daily)
Issued by NWS Billings, MT
Issued by NWS Billings, MT
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CDUS45 KBYZ 010331
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
931 PM MDT TUE SEP 30 2025
...................................
...THE BILLINGS MT CLIMATE SUMMARY FOR SEPTEMBER 30 2025...
VALID AS OF 0900 PM 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 83 305 PM 90 1963 67 16 63
MINIMUM 56 604 AM 23 1985 44 12 43
AVERAGE 70 55 15 53
PRECIPITATION (IN)
TODAY 0.00 0.54 2022 0.05 -0.05 0.00
MONTH TO DATE 0.90 1.36 -0.46 1.72
SINCE OCT 1 15.66 14.31 1.35 13.05
SINCE JAN 1 14.36 11.77 2.59 10.66
SNOWFALL (IN)
TODAY MM 2.4 1950 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 10 -10 12
MONTH TO DATE 47 168 -121 55
SINCE SEP 1 47 168 -121 55
SINCE JUL 1 63 204 -141 69
COOLING
TODAY 5 1 4 0
MONTH TO DATE 73 62 11 118
SINCE SEP 1 73 62 11 118
SINCE JAN 1 658 657 1 785
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 13.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 500 AM
LOWEST 24 200 PM
AVERAGE 44
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$