374
CDUS45 KTFX 130837
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
137 AM MST WED DEC 13 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 12 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 31 401 PM 62 1921 33 -2 23
2014
MINIMUM 22 1159 PM -23 1917 15 7 16
1922
AVERAGE 27 24 3 20
PRECIPITATION (IN)
YESTERDAY T 0.60 1937 0.01 -0.01 0.03
MONTH TO DATE 0.03 0.18 -0.15 0.26
SINCE OCT 1 1.52 1.55 -0.03 2.98
SINCE JAN 1 12.48 11.12 1.36 11.07
SNOWFALL (IN)
YESTERDAY T 5.8 2016 0.2 -0.2 T
MONTH TO DATE 0.1 2.8 -2.7 3.5
SINCE DEC 1 0.1 2.8 -2.7 3.5
SINCE JUL 1 14.0 11.5 2.5 16.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 38 41 -3 45
MONTH TO DATE 321 475 -154 505
SINCE DEC 1 321 475 -154 505
SINCE JUL 1 1882 2317 -435 2375
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 (260)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 1.4
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 PM
LOWEST 81 1000 PM
AVERAGE 89
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 33 58 1924
MINIMUM TEMPERATURE (F) 14 -22 1919
SUNRISE AND SUNSET
DECEMBER 13 2023......SUNRISE 804 AM MST SUNSET 440 PM MST
DECEMBER 14 2023......SUNRISE 805 AM MST SUNSET 441 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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