623
CDUS45 KTFX 210839
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MST THU DEC 21 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 20 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 49 159 PM 55 1900 31 18 -5
MINIMUM 24 800 AM -25 1990 13 11 -13
AVERAGE 37 22 15 -9
PRECIPITATION (IN)
YESTERDAY 0.00 0.28 2017 0.02 -0.02 0.15
MONTH TO DATE 0.03 0.30 -0.27 0.56
SINCE OCT 1 1.52 1.67 -0.15 3.28
SINCE JAN 1 12.48 11.24 1.24 11.37
SNOWFALL (IN)
YESTERDAY 0.0 2.9 1964 0.3 -0.3 2.3
2017
MONTH TO DATE 0.1 4.8 -4.7 8.1
SINCE DEC 1 0.1 4.8 -4.7 8.1
SINCE JUL 1 14.0 13.5 0.5 20.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 28 43 -15 74
MONTH TO DATE 600 813 -213 943
SINCE DEC 1 600 813 -213 943
SINCE JUL 1 2161 2655 -494 2813
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
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 1.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 400 AM
LOWEST 46 200 PM
AVERAGE 66
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 60 1933
MINIMUM TEMPERATURE (F) 13 -32 1990
SUNRISE AND SUNSET
DECEMBER 21 2023......SUNRISE 809 AM MST SUNSET 443 PM MST
DECEMBER 22 2023......SUNRISE 810 AM MST SUNSET 443 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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