Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 210732
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT MON SEP 21 2026
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR SEPTEMBER 20 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 92 1922 69 MM 83
MINIMUM MM MM 18 1983 40 MM 45
AVERAGE MM 54 MM 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.00 1919 0.05 -0.05 0.00
MONTH TO DATE 0.57 0.92 -0.35 0.92
SINCE OCT 1 17.13 16.70 0.43 15.81
SINCE JAN 1 14.54 14.25 0.29 14.44
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY MM 11 MM 1
MONTH TO DATE 72 161 -89 83
SINCE SEP 1 72 161 -89 83
SINCE JUL 1 136 307 -171 157
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) 68 92 1938
MINIMUM TEMPERATURE (F) 40 19 1995
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 704 AM MDT SUNSET 717 PM MDT
SEPTEMBER 22 2026.....SUNRISE 705 AM MDT SUNSET 715 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$