Climatological Report (Daily)
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493
CDUS45 KTFX 181241
CLIHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
541 AM MST TUE NOV 18 2025

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

...THE HELENA MT CLIMATE SUMMARY FOR NOVEMBER 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         53    617 PM  65    1976  42     11       53
  MINIMUM         37    711 AM -16    1955  22     15       30
  AVERAGE         45                        32     13       42

PRECIPITATION (IN)
  YESTERDAY        T             0.35 1985   0.02  -0.02     0.01
  MONTH TO DATE    0.19                      0.35  -0.16     0.34
  SINCE OCT 1      1.58                      1.13   0.45     0.35
  SINCE JAN 1     12.80                     10.70   2.10     9.40

SNOWFALL (IN)
  YESTERDAY        0.0           5.0  1985   0.2   -0.2      0.0
  MONTH TO DATE    0.0                       2.8   -2.8      2.3
  SINCE SEP 1      4.2                       5.8   -1.6      2.3
  SINCE JUL 1      4.2                       6.1   -1.9      2.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       20                        33    -13       23
  MONTH TO DATE  343                       507   -164      439
  SINCE SEP 1   1005                      1320   -315      927
  SINCE JUL 1   1031                      1383   -352      939

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     36                        28      8       72
  SINCE JAN 1    467                       433     34      590
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     1.5


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           700 AM
 LOWEST     54           600 PM
 AVERAGE    76

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   42        71      2008
 MINIMUM TEMPERATURE (F)   22       -17      1881


SUNRISE AND SUNSET
NOVEMBER 18 2025......SUNRISE   735 AM MST   SUNSET   451 PM MST
NOVEMBER 19 2025......SUNRISE   736 AM MST   SUNSET   450 PM MST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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