Climatological Report (Daily)
Issued by NWS
Issued by NWS
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983
CDUS45 KTFX 120753
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
153 AM MDT SAT SEP 12 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 11 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM MM MM 98 1908 73 MM 70
MINIMUM MM MM 11 1921 43 MM 50
AVERAGE MM 58 MM 60
PRECIPITATION (IN)
YESTERDAY MM 1.43 1978 0.04 MM T
MONTH TO DATE 0.00 0.52 -0.52 0.15
SINCE OCT 1 16.56 16.30 0.26 15.04
SINCE JAN 1 13.97 13.85 0.12 13.67
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 8 MM 5
MONTH TO DATE 1 75 -74 41
SINCE SEP 1 1 75 -74 41
SINCE JUL 1 65 221 -156 115
COOLING
YESTERDAY MM 1 MM 0
MONTH TO DATE 5 12 -7 11
SINCE SEP 1 5 12 -7 11
SINCE JAN 1 326 222 104 163
...................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED MM
SKY COVER
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 91 1953
MINIMUM TEMPERATURE (F) 43 22 1921
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 652 AM MDT SUNSET 735 PM MDT
SEPTEMBER 13 2026.....SUNRISE 653 AM MDT SUNSET 733 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$