910
CDUS45 KTFX 180737
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
137 AM MDT MON SEP 18 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 17 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 89 343 PM 90 1998 73 16 74
MINIMUM 48 611 AM 20 1965 44 4 41
AVERAGE 69 59 10 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.98 1908 0.03 -0.03 0.00
MONTH TO DATE 1.22 0.57 0.65 0.48
SINCE OCT 1 12.89 11.01 1.88 8.05
SINCE JAN 1 9.48 9.18 0.30 6.62
SNOWFALL (IN)
YESTERDAY 0.0 3.4 1988 0.1 -0.1 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 7
MONTH TO DATE 15 88 -73 44
SINCE SEP 1 15 88 -73 44
SINCE JUL 1 19 151 -132 46
COOLING
YESTERDAY 4 1 3 0
MONTH TO DATE 31 25 6 81
SINCE SEP 1 31 25 6 81
SINCE JAN 1 583 430 153 749
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WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 500 AM
LOWEST 13 300 PM
AVERAGE 37
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THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1966
MINIMUM TEMPERATURE (F) 44 19 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2023.....SUNRISE 710 AM MDT SUNSET 734 PM MDT
SEPTEMBER 19 2023.....SUNRISE 711 AM MDT SUNSET 732 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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