Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KTFX 180739
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MDT FRI APR 18 2025
...................................
...THE HELENA MT CLIMATE SUMMARY FOR APRIL 17 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 354 PM 80 1994 57 -12 40
MINIMUM 29 1034 PM 9 1896 33 -4 30
AVERAGE 37 45 -8 35
PRECIPITATION (IN)
YESTERDAY 0.01 0.56 1885 0.04 -0.03 0.01
MONTH TO DATE 0.24 0.56 -0.32 0.72
SINCE OCT 1 3.64 3.72 -0.08 5.67
SINCE JAN 1 2.88 1.89 0.99 4.15
SNOWFALL (IN)
YESTERDAY T 5.6 1885 0.1 -0.1 T
MONTH TO DATE 1.0 1.9 -0.9 0.4
SINCE MAR 1 1.0 6.5 -5.5 9.7
SINCE JUL 1 36.8 36.1 0.7 57.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 20 8 30
MONTH TO DATE 342 377 -35 266
SINCE MAR 1 1018 1275 -257 1128
SINCE JUL 1 6090 6769 -679 6178
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 10.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 PM
LOWEST 38 1100 AM
AVERAGE 67
..........................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 80 1910
1936
MINIMUM TEMPERATURE (F) 33 9 1951
SUNRISE AND SUNSET
APRIL 18 2025.........SUNRISE 635 AM MDT SUNSET 821 PM MDT
APRIL 19 2025.........SUNRISE 633 AM MDT SUNSET 822 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$