354
CDUS45 KTFX 190736
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
136 AM MDT TUE SEP 19 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 18 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 84 248 PM 91 1966 73 11 76
MINIMUM 51 636 AM 19 1965 44 7 44
AVERAGE 68 58 10 60
PRECIPITATION (IN)
YESTERDAY 0.00 2.10 1882 0.03 -0.03 0.11
MONTH TO DATE 1.22 0.60 0.62 0.59
SINCE OCT 1 12.89 11.04 1.85 8.16
SINCE JAN 1 9.48 9.21 0.27 6.73
SNOWFALL (IN)
YESTERDAY 0.0 13.1 1957 0.0 0.0 0.0
MONTH TO DATE 0.0 0.1 -0.1 0.0
SINCE SEP 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.4 -0.4 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 5
MONTH TO DATE 15 95 -80 49
SINCE SEP 1 15 95 -80 49
SINCE JUL 1 19 158 -139 51
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 34 26 8 81
SINCE SEP 1 34 26 8 81
SINCE JAN 1 586 431 155 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 53 800 AM
LOWEST 15 200 PM
AVERAGE 34
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 94 2009
MINIMUM TEMPERATURE (F) 44 25 1965
SUNRISE AND SUNSET
SEPTEMBER 19 2023.....SUNRISE 711 AM MDT SUNSET 732 PM MDT
SEPTEMBER 20 2023.....SUNRISE 712 AM MDT SUNSET 730 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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