882
CDUS45 KTFX 180837
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
137 AM MST WED DEC 18 2024
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 17 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 30 431 PM 58 1998 32 -2 46
MINIMUM 22 907 AM -38 1964 14 8 22
AVERAGE 26 23 3 34
PRECIPITATION (IN)
YESTERDAY T 0.17 1955 0.01 -0.01 0.00
MONTH TO DATE 0.22 0.25 -0.03 0.03
SINCE OCT 1 0.68 1.62 -0.94 1.52
SINCE JAN 1 9.73 11.19 -1.46 12.48
SNOWFALL (IN)
YESTERDAY T 2.8 1955 0.2 -0.2 0.0
MONTH TO DATE 1.7 4.0 -2.3 0.1
SINCE DEC 1 1.7 4.0 -2.3 0.1
SINCE JUL 1 4.0 12.7 -8.7 14.0
SNOW DEPTH T
DEGREE DAYS
HEATING
YESTERDAY 39 42 -3 31
MONTH TO DATE 523 685 -162 509
SINCE DEC 1 523 685 -162 509
SINCE JUL 1 1906 2527 -621 2070
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 590 433 157 588
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WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 1.6
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 200 PM
LOWEST 88 1200 AM
AVERAGE 92
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 59 1917
MINIMUM TEMPERATURE (F) 13 -30 1924
SUNRISE AND SUNSET
DECEMBER 18 2024......SUNRISE 808 AM MST SUNSET 442 PM MST
DECEMBER 19 2024......SUNRISE 808 AM MST SUNSET 442 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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