Climatological Report (Daily)
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092
CDUS45 KTFX 170750
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
150 AM MDT TUE SEP 17 2024

...................................

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 16 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         77    403 PM  92    2009  73      4       85
  MINIMUM         55    542 AM  27    1965  45     10       44
  AVERAGE         66                        59      7       65

PRECIPITATION (IN)
  YESTERDAY        0.01          1.30 1947   0.03  -0.02     0.00
  MONTH TO DATE    1.00                      0.54   0.46     1.22
  SINCE OCT 1     10.34                     10.98  -0.64    12.89
  SINCE JAN 1      8.82                      9.15  -0.33     9.48

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        0
  MONTH TO DATE   27                        81    -54       15
  SINCE SEP 1     27                        81    -54       15
  SINCE JUL 1     39                       144   -105       19

 COOLING
  YESTERDAY        1                         1      0        0
  MONTH TO DATE   62                        24     38       27
  SINCE SEP 1     62                        24     38       27
  SINCE JAN 1    580                       429    151      579
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     6.0


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    80          1100 PM
 LOWEST     47           700 PM
 AVERAGE    64

..........................................................


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 2024.....SUNRISE   709 AM MDT   SUNSET   734 PM MDT
SEPTEMBER 18 2024.....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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