966
CDUS45 KTFX 120735
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT MON MAY 12 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 11 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 77 133 PM 87 1993 65 12 81
MINIMUM 51 312 AM 25 1968 40 11 43
AVERAGE 64 53 11 62
PRECIPITATION (IN)
YESTERDAY 0.08 1.02 1920 0.06 0.02 0.00
MONTH TO DATE 1.18 0.48 0.70 1.02
SINCE OCT 1 4.85 4.66 0.19 6.74
SINCE JAN 1 4.09 2.83 1.26 5.22
SNOWFALL (IN)
YESTERDAY 0.0 3.5 1914 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.5
SINCE MAR 1 1.0 7.6 -6.6 10.2
SINCE JUL 1 36.8 37.2 -0.4 57.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 1 13 -12 3
MONTH TO DATE 85 157 -72 180
SINCE MAR 1 1319 1669 -350 1541
SINCE JUL 1 6391 7163 -772 6591
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE MAR 1 4 0 4 0
SINCE JAN 1 4 0 4 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 100 AM
LOWEST 28 1200 PM
AVERAGE 48
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 92 2001
MINIMUM TEMPERATURE (F) 40 22 1943
SUNRISE AND SUNSET
MAY 12 2025...........SUNRISE 557 AM MDT SUNSET 852 PM MDT
MAY 13 2025...........SUNRISE 556 AM MDT SUNSET 854 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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