476
CDUS45 KTFX 280850
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
150 AM MST THU DEC 28 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 27 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 30 342 PM 64 1980 31 -1 53
MINIMUM 9 720 AM -20 1916 12 -3 33
AVERAGE 20 22 -2 43
PRECIPITATION (IN)
YESTERDAY 0.00 0.48 1880 0.01 -0.01 0.01
MONTH TO DATE 0.03 0.40 -0.37 0.69
SINCE OCT 1 1.52 1.77 -0.25 3.41
SINCE JAN 1 12.48 11.34 1.14 11.50
SNOWFALL (IN)
YESTERDAY 0.0 4.8 1880 0.3 -0.3 0.0
MONTH TO DATE 0.6 6.7 -6.1 10.7
SINCE DEC 1 0.6 6.7 -6.1 10.7
SINCE JUL 1 14.5 15.4 -0.9 23.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 45 43 2 22
MONTH TO DATE 864 1114 -250 1317
SINCE DEC 1 864 1114 -250 1317
SINCE JUL 1 2425 2956 -531 3187
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 W (290)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 1.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88 900 AM
LOWEST 60 300 PM
AVERAGE 74
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 55 1897
MINIMUM TEMPERATURE (F) 12 -25 1880
1968
1983
SUNRISE AND SUNSET
DECEMBER 28 2023......SUNRISE 812 AM MST SUNSET 447 PM MST
DECEMBER 29 2023......SUNRISE 812 AM MST SUNSET 448 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page