091
CDUS45 KTFX 300739
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MDT SAT SEP 30 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 29 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 66 425 PM 84 1967 67 -1 77
2009
MINIMUM 38 659 AM 19 1985 40 -2 50
AVERAGE 52 54 -2 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.53 2007 0.03 -0.03 0.51
MONTH TO DATE 2.68 0.93 1.75 1.44
SINCE OCT 1 14.35 11.37 2.98 9.01
SINCE JAN 1 10.94 9.54 1.40 7.58
SNOWFALL (IN)
YESTERDAY 0.0 3.7 1881 0.0 0.0 0.0
MONTH TO DATE 0.0 0.2 -0.2 0.0
SINCE SEP 1 0.0 0.2 -0.2 0.0
SINCE JUL 1 0.0 0.5 -0.5 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 13 11 2 1
MONTH TO DATE 106 198 -92 89
SINCE SEP 1 106 198 -92 89
SINCE JUL 1 110 261 -151 91
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 36 27 9 83
SINCE SEP 1 36 27 9 83
SINCE JAN 1 588 432 156 751
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 3.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 700 AM
LOWEST 33 300 PM
AVERAGE 58
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 89 1963
MINIMUM TEMPERATURE (F) 40 21 1950
SUNRISE AND SUNSET
SEPTEMBER 30 2023.....SUNRISE 725 AM MDT SUNSET 710 PM MDT
OCTOBER 1 2023.......SUNRISE 726 AM MDT SUNSET 708 PM MDT
- 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