388
CDUS45 KTFX 140834
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
134 AM MST THU DEC 14 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 13 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 33 414 PM 58 1924 33 0 24
MINIMUM 13 813 AM -22 1919 14 -1 7
AVERAGE 23 24 -1 16
PRECIPITATION (IN)
YESTERDAY 0.00 0.48 1917 0.02 -0.02 0.00
MONTH TO DATE 0.03 0.20 -0.17 0.26
SINCE OCT 1 1.52 1.57 -0.05 2.98
SINCE JAN 1 12.48 11.14 1.34 11.07
SNOWFALL (IN)
YESTERDAY 0.0 9.8 1991 0.2 -0.2 0.0
MONTH TO DATE 0.1 3.0 -2.9 3.5
SINCE DEC 1 0.1 3.0 -2.9 3.5
SINCE JUL 1 14.0 11.7 2.3 16.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 42 42 0 49
MONTH TO DATE 363 517 -154 554
SINCE DEC 1 363 517 -154 554
SINCE JUL 1 1924 2359 -435 2424
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 SW (230)
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 1.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 1200 AM
LOWEST 74 800 PM
AVERAGE 79
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 32 63 1924
MINIMUM TEMPERATURE (F) 14 -20 1926
SUNRISE AND SUNSET
DECEMBER 14 2023......SUNRISE 805 AM MST SUNSET 441 PM MST
DECEMBER 15 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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