Climatological Report (Daily)
Issued by NWS
Issued by NWS
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993
CDUS45 KTFX 150740
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
140 AM MDT TUE SEP 15 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 14 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 94 1948 71 MM 78
MINIMUM MM MM 19 1970 42 MM 44
AVERAGE MM 57 MM 61
PRECIPITATION (IN)
YESTERDAY MM 0.85 1906 0.04 MM T
MONTH TO DATE 0.36 0.65 -0.29 0.60
SINCE OCT 1 16.92 16.43 0.49 15.49
SINCE JAN 1 14.33 13.98 0.35 14.12
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 9 MM 4
MONTH TO DATE 34 101 -67 56
SINCE SEP 1 34 101 -67 56
SINCE JUL 1 98 247 -149 130
COOLING
YESTERDAY MM 0 MM 0
MONTH TO DATE 12 14 -2 11
SINCE SEP 1 12 14 -2 11
SINCE JAN 1 333 224 109 163
...................................................................
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) 71 93 1908
MINIMUM TEMPERATURE (F) 42 23 1916
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 656 AM MDT SUNSET 729 PM MDT
SEPTEMBER 16 2026.....SUNRISE 657 AM MDT SUNSET 727 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$