Climatological Report (Daily)
Issued by NWS
Issued by NWS
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873
CDUS45 KTFX 180731
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MDT FRI SEP 18 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 17 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 91 2009 70 MM 73
MINIMUM MM MM 23 1965 41 MM 45
AVERAGE MM 56 MM 59
PRECIPITATION (IN)
YESTERDAY 0.00 0.93 1946 0.04 -0.04 0.00
MONTH TO DATE 0.57 0.78 -0.21 0.92
SINCE OCT 1 17.13 16.56 0.57 15.81
SINCE JAN 1 14.54 14.11 0.43 14.44
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 10 MM 6
MONTH TO DATE 72 130 -58 71
SINCE SEP 1 72 130 -58 71
SINCE JUL 1 136 276 -140 145
COOLING
YESTERDAY MM 0 MM 0
MONTH TO DATE 17 14 3 11
SINCE SEP 1 17 14 3 11
SINCE JAN 1 338 224 114 163
...................................................................
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) 70 90 1966
MINIMUM TEMPERATURE (F) 41 19 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 700 AM MDT SUNSET 723 PM MDT
SEPTEMBER 19 2026.....SUNRISE 701 AM MDT SUNSET 721 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$