721
CDUS45 KTFX 170739
CLIHLN
CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
139 AM MDT SUN SEP 17 2023
...............................
..THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 16 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 85 324 PM 92 2009 73 12 67
MINIMUM 44 620 AM 27 1965 45 -1 49
AVERAGE 65 59 6 58
PRECIPITATION (IN)
YESTERDAY 0.00 1.30 1947 0.03 -0.03 0.24
MONTH TO DATE 1.22 0.54 0.68 0.48
SINCE OCT 1 12.89 10.98 1.91 8.05
SINCE JAN 1 9.48 9.15 0.33 6.62
SNOWFALL (IN)
YESTERDAY 0.0 0.3 1947 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.3 -0.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 7 -7 7
MONTH TO DATE 15 81 -66 37
SINCE SEP 1 15 81 -66 37
SINCE JUL 1 19 144 -125 39
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 27 24 3 81
SINCE SEP 1 27 24 3 81
SINCE JAN 1 579 429 150 749
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 3.2
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 600 AM
LOWEST 15 300 PM
AVERAGE 46
......................................................
THE HELENA MT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1998
MINIMUM TEMPERATURE (F) 44 20 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 708 AM MDT SUNSET 736 PM MDT
SEPTEMBER 18 2023.....SUNRISE 710 AM MDT SUNSET 734 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