717
CDUS45 KTFX 090838
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
138 AM MST SAT DEC 09 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 8 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 41 1235 PM 60 1939 34 7 27
MINIMUM 26 422 AM -35 1972 16 10 9
AVERAGE 34 25 9 18
PRECIPITATION (IN)
YESTERDAY 0.00 0.52 1906 0.02 -0.02 0.00
MONTH TO DATE 0.00 0.13 -0.13 0.23
SINCE OCT 1 1.49 1.50 -0.01 2.95
SINCE JAN 1 12.45 11.07 1.38 11.04
SNOWFALL (IN)
YESTERDAY 0.0 3.8 1929 0.2 -0.2 0.0
MONTH TO DATE T 1.8 -1.8 3.5
SINCE DEC 1 T 1.8 -1.8 3.5
SINCE JUL 1 13.9 10.5 3.4 16.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 31 40 -9 47
MONTH TO DATE 190 312 -122 353
SINCE DEC 1 190 312 -122 353
SINCE JUL 1 1751 2154 -403 2223
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 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 800 AM
LOWEST 39 200 PM
AVERAGE 54
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 34 59 1957
MINIMUM TEMPERATURE (F) 16 -30 1972
SUNRISE AND SUNSET
DECEMBER 9 2023......SUNRISE 800 AM MST SUNSET 440 PM MST
DECEMBER 10 2023......SUNRISE 801 AM MST SUNSET 440 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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