332
CDUS45 KTFX 180833
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
133 AM MST MON DEC 18 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 17 2023
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 46 244 PM 58 1998 32 14 30
MINIMUM 22 815 AM -38 1964 14 8 9
AVERAGE 34 23 11 20
PRECIPITATION (IN)
YESTERDAY 0.00 0.17 1955 0.01 -0.01 0.00
MONTH TO DATE 0.03 0.25 -0.22 0.40
SINCE OCT 1 1.52 1.62 -0.10 3.12
SINCE JAN 1 12.48 11.19 1.29 11.21
SNOWFALL (IN)
YESTERDAY 0.0 2.8 1955 0.2 -0.2 0.0
MONTH TO DATE 0.1 4.0 -3.9 5.5
SINCE DEC 1 0.1 4.0 -3.9 5.5
SINCE JUL 1 14.0 12.7 1.3 18.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 42 -11 45
MONTH TO DATE 509 685 -176 736
SINCE DEC 1 509 685 -176 736
SINCE JUL 1 2070 2527 -457 2606
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 588 433 155 751
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WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 2.5
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1200 AM
LOWEST 43 1200 PM
AVERAGE 61
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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 2023......SUNRISE 807 AM MST SUNSET 442 PM MST
DECEMBER 19 2023......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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