538
CDUS45 KTFX 190850
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
150 AM MST TUE DEC 19 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 18 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 37 301 PM 59 1917 32 5 9
MINIMUM 21 252 AM -30 1924 13 8 -8
AVERAGE 29 22 7 1
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 1884 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.27 -0.24 0.40
SINCE OCT 1 1.52 1.64 -0.12 3.12
SINCE JAN 1 12.48 11.21 1.27 11.21
SNOWFALL (IN)
YESTERDAY 0.0 7.0 1990 0.3 -0.3 0.0
MONTH TO DATE 0.1 4.3 -4.2 5.5
SINCE DEC 1 0.1 4.3 -4.2 5.5
SINCE JUL 1 14.0 13.0 1.0 18.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 36 42 -6 64
MONTH TO DATE 545 727 -182 800
SINCE DEC 1 545 727 -182 800
SINCE JUL 1 2106 2569 -463 2670
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 7 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 0.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 600 AM
LOWEST 54 200 PM
AVERAGE 66
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 59 1941
2004
MINIMUM TEMPERATURE (F) 13 -30 1924
SUNRISE AND SUNSET
DECEMBER 19 2023......SUNRISE 808 AM MST SUNSET 442 PM MST
DECEMBER 20 2023......SUNRISE 809 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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