570
CDUS45 KTFX 130736
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
136 AM MDT TUE MAY 13 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 12 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 69 1157 AM 92 2001 65 4 82
MINIMUM 46 1159 PM 22 1943 40 6 47
AVERAGE 58 53 5 65
PRECIPITATION (IN)
YESTERDAY 0.23 2.00 1900 0.05 0.18 0.00
MONTH TO DATE 1.41 0.53 0.88 1.02
SINCE OCT 1 5.08 4.71 0.37 6.74
SINCE JAN 1 4.32 2.88 1.44 5.22
SNOWFALL (IN)
YESTERDAY 0.0 1.4 1970 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 7 12 -5 0
MONTH TO DATE 92 169 -77 180
SINCE MAR 1 1326 1681 -355 1541
SINCE JUL 1 6398 7175 -777 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 28 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 1100 PM
LOWEST 22 1200 PM
AVERAGE 49
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 89 2001
MINIMUM TEMPERATURE (F) 41 23 1983
SUNRISE AND SUNSET
MAY 13 2025...........SUNRISE 556 AM MDT SUNSET 854 PM MDT
MAY 14 2025...........SUNRISE 555 AM MDT SUNSET 855 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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