Climatological Report (Daily)
Issued by NWS
Issued by NWS
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615
CDUS45 KTFX 170737
CLILWT
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
137 AM MDT THU JUL 17 2025
...................................
...THE LEWISTOWN MT CLIMATE SUMMARY FOR JULY 16 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1896 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 249 PM 98 1919 82 -19 88
MINIMUM 48 352 AM 34 1999 51 -3 52
AVERAGE 56 67 -11 70
PRECIPITATION (IN)
YESTERDAY 0.01 1.02 1928 0.05 -0.04 0.00
MONTH TO DATE 1.06 1.02 0.04 0.51
SINCE OCT 1 11.05 13.35 -2.30 13.78
SINCE JAN 1 9.68 10.90 -1.22 11.32
SNOWFALL (IN)
YESTERDAY MM
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 9 2 7 0
MONTH TO DATE 37 47 -10 48
SINCE JUN 1 231 273 -42 291
SINCE JUL 1 37 47 -10 48
COOLING
YESTERDAY 0 4 -4 5
MONTH TO DATE 52 41 11 61
SINCE JUN 1 55 58 -3 71
SINCE JAN 1 58 59 -1 71
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 9.9
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 60 500 PM
AVERAGE 80
..........................................................
THE LEWISTOWN MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 101 2022
MINIMUM TEMPERATURE (F) 51 38 1982
SUNRISE AND SUNSET
JULY 17 2025..........SUNRISE 540 AM MDT SUNSET 907 PM MDT
JULY 18 2025..........SUNRISE 541 AM MDT SUNSET 906 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$