209
CDUS45 KBYZ 210933
CLIBIL
CLIMATE REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
333 AM MDT TUE OCT 21 2025
...............................
..THE BILLINGS MT CLIMATE SUMMARY FOR OCTOBER 20 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 55 315 PM 82 1947 57 -2 74
MINIMUM 37 1043 PM 20 1949 35 2 51
AVERAGE 46 46 0 63
PRECIPITATION (IN)
YESTERDAY 0.00 0.53 1949 0.04 -0.04 0.00
MONTH TO DATE 1.91 1.00 0.91 0.28
SINCE OCT 1 1.91 1.00 0.91 0.28
SINCE JAN 1 16.31 12.77 3.54 10.94
SNOWFALL (IN)
YESTERDAY 0.0 9.3 1949 0.1 -0.1 0.0
MONTH TO DATE T 2.6 -2.6 0.0
SINCE SEP 1 T 2.9 -2.9 0.0
SINCE JUL 1 T 2.9 -2.9 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 19 0 2
MONTH TO DATE 278 298 -20 133
SINCE SEP 1 325 466 -141 188
SINCE JUL 1 341 502 -161 202
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 1 0 5
SINCE SEP 1 74 63 11 123
SINCE JAN 1 659 658 1 790
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 50 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 15.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 100 AM
LOWEST 26 300 PM
AVERAGE 48
......................................................
THE BILLINGS MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 85 2003
MINIMUM TEMPERATURE (F) 35 19 1949
1981
1984
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 739 AM MDT SUNSET 617 PM MDT
OCTOBER 22 2025.......SUNRISE 741 AM MDT SUNSET 616 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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