263
CDUS45 KTFX 190831
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
131 AM MST THU DEC 19 2024
...............................
..THE HELENA MT CLIMATE SUMMARY FOR DECEMBER 18 2024
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2024
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 55 1152 AM 59 1917 32 23 37
MINIMUM 28 510 AM -30 1924 13 15 21
AVERAGE 42 22 20 29
PRECIPITATION (IN)
YESTERDAY 0.00 0.50 1884 0.02 -0.02 0.00
MONTH TO DATE 0.22 0.27 -0.05 0.03
SINCE OCT 1 0.68 1.64 -0.96 1.52
SINCE JAN 1 9.73 11.21 -1.48 12.48
SNOWFALL (IN)
YESTERDAY 0.0 7.0 1990 0.3 -0.3 0.0
MONTH TO DATE 1.7 4.3 -2.6 0.1
SINCE DEC 1 1.7 4.3 -2.6 0.1
SINCE JUL 1 4.0 13.0 -9.0 14.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 42 -19 36
MONTH TO DATE 546 727 -181 545
SINCE DEC 1 546 727 -181 545
SINCE JUL 1 1929 2569 -640 2106
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 590 433 157 588
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 45 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 66 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 13.2
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1200 AM
LOWEST 34 700 PM
AVERAGE 63
......................................................
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 2024......SUNRISE 808 AM MST SUNSET 442 PM MST
DECEMBER 20 2024......SUNRISE 809 AM MST SUNSET 443 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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