Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 190733
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MDT SAT SEP 19 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 90 1966 70 MM 75
MINIMUM MM MM 19 1965 41 MM 44
AVERAGE MM 55 MM 60
PRECIPITATION (IN)
YESTERDAY 0.00 4.35 2024 0.05 -0.05 0.00
MONTH TO DATE 0.57 0.83 -0.26 0.92
SINCE OCT 1 17.13 16.61 0.52 15.81
SINCE JAN 1 14.54 14.16 0.38 14.44
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 10 MM 5
MONTH TO DATE 72 140 -68 76
SINCE SEP 1 72 140 -68 76
SINCE JUL 1 136 286 -150 150
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) 69 92 1938
MINIMUM TEMPERATURE (F) 41 22 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2026.....SUNRISE 701 AM MDT SUNSET 721 PM MDT
SEPTEMBER 20 2026.....SUNRISE 702 AM MDT SUNSET 719 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$