Climatological Report (Daily)
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592
CDUS45 KTFX 180732
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
132 AM MDT MON AUG 18 2025

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

...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 17 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         76   1225 PM 102    2023  85     -9       89
  MINIMUM         58    310 AM  38    1985  53      5       53
                                      2002
  AVERAGE         67                        69     -2       71

PRECIPITATION (IN)
  YESTERDAY        0.14          0.74 2021   0.03   0.11     0.00
  MONTH TO DATE    1.36                      0.59   0.77     0.31
  SINCE OCT 1     10.72                      9.99   0.73     8.89
  SINCE JAN 1      9.96                      8.16   1.80     7.37

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  1995   0.0    0.0      0.0
                                      1999
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE JUN 1      0.0                       0.1   -0.1      0.0
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   11                         8      3        0
  SINCE JUN 1    134                       175    -41       88
  SINCE JUL 1     23                        31     -8        2

 COOLING
  YESTERDAY        2                         5     -3        6
  MONTH TO DATE   91                       108    -17      102
  SINCE JUN 1    331                       350    -19      453
  SINCE JAN 1    356                       357     -1      453
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (300)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     3.5


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           300 AM
 LOWEST     45          1200 PM
 AVERAGE    71

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      2001
 MINIMUM TEMPERATURE (F)   53        39      1954
                                             1995


SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE   631 AM MDT   SUNSET   832 PM MDT
AUGUST 19 2025........SUNRISE   632 AM MDT   SUNSET   830 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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