716
CDUS45 KTFX 170759
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
159 AM MDT SAT MAY 17 2025
...............................
..THE HELENA MT CLIMATE SUMMARY FOR MAY 16 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 62 223 PM 91 1988 67 -5 79
2006
MINIMUM 41 204 AM 28 1986 42 -1 50
AVERAGE 52 54 -2 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.86 2015 0.06 -0.06 0.00
MONTH TO DATE 2.86 0.78 2.08 1.06
SINCE OCT 1 6.53 4.96 1.57 6.78
SINCE JAN 1 5.77 3.13 2.64 5.26
SNOWFALL (IN)
YESTERDAY 0.0 0.8 1942 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 13 11 2 0
MONTH TO DATE 153 215 -62 194
SINCE MAR 1 1387 1727 -340 1555
SINCE JUL 1 6459 7221 -762 6605
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
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (32)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 300 AM
LOWEST 31 300 PM
AVERAGE 60
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 2006
MINIMUM TEMPERATURE (F) 42 26 1943
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 551 AM MDT SUNSET 858 PM MDT
MAY 18 2025...........SUNRISE 550 AM MDT SUNSET 900 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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