813
CDUS45 KTFX 310838
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
138 AM MST SUN DEC 31 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 30 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 37 337 PM 54 1917 31 6 39
MINIMUM 14 725 AM -40 1880 12 2 23
AVERAGE 26 22 4 31
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 1919 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.45 -0.42 0.69
SINCE OCT 1 1.52 1.82 -0.30 3.41
SINCE JAN 1 12.48 11.39 1.09 11.50
SNOWFALL (IN)
YESTERDAY 0.0 7.0 1919 0.3 -0.3 0.0
MONTH TO DATE 0.6 7.5 -6.9 10.7
SINCE DEC 1 0.6 7.5 -6.9 10.7
SINCE JUL 1 14.5 16.2 -1.7 23.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 39 44 -5 34
MONTH TO DATE 976 1245 -269 1412
SINCE DEC 1 976 1245 -269 1412
SINCE JUL 1 2537 3087 -550 3282
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 6 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 0.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 900 AM
LOWEST 62 300 PM
AVERAGE 77
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 31 56 1917
MINIMUM TEMPERATURE (F) 12 -34 1968
SUNRISE AND SUNSET
DECEMBER 31 2023......SUNRISE 812 AM MST SUNSET 450 PM MST
JANUARY 1 2024.......SUNRISE 812 AM MST SUNSET 451 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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