030
CDUS45 KTFX 120735
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
135 AM MDT TUE MAY 12 2026
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 11 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 432 PM 87 1993 65 12 77
MINIMUM 46 539 AM 25 1968 40 6 51
AVERAGE 62 53 9 64
PRECIPITATION (IN)
YESTERDAY 0.00 1.02 1920 0.06 -0.06 0.08
MONTH TO DATE 0.05 0.48 -0.43 1.18
SINCE OCT 1 6.14 4.66 1.48 4.85
SINCE JAN 1 3.47 2.83 0.64 4.09
SNOWFALL (IN)
YESTERDAY 0.0 3.5 1914 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE MAR 1 9.3 7.6 1.7 1.0
SINCE JUL 1 22.3 37.2 -14.9 36.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 13 -10 1
MONTH TO DATE 112 157 -45 85
SINCE MAR 1 1412 1669 -257 1319
SINCE JUL 1 5704 7163 -1459 6391
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 4
SINCE MAR 1 0 0 0 4
SINCE JAN 1 0 0 0 4
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.2
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 600 AM
LOWEST 12 400 PM
AVERAGE 34
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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 2026...........SUNRISE 558 AM MDT SUNSET 852 PM MDT
MAY 13 2026...........SUNRISE 556 AM MDT SUNSET 853 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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