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000
CXUS55 KTFX 010811
CLMHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
211 AM MDT WED NOV 01 2023

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             87   10/10/2015
                       10/01/2001
                       10/01/1997
 LOW              -8   10/30/1991
HIGHEST           82   10/19         64      18       74  10/20
LOWEST             5   10/27         27     -22       27  10/28
                       10/28
AVG. MAXIMUM    56.1               57.6    -1.5     62.0
AVG. MINIMUM    34.4               33.5     0.9     37.8
MEAN            45.2               45.5    -0.3     49.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     5                1.1     3.9        0
DAYS MIN <= 32     8               13.8    -5.8        8
DAYS MIN <= 0      0                0.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.81   1925
 MINIMUM        0.01
TOTALS          1.47               0.78    0.69     1.80
DAYS >= .01       11                7.0     4.0
DAYS >= .10        3                2.6     0.4
DAYS >= .50        1                0.3     0.7
DAYS >= 1.00       0                0.0     0.0
GREATEST
 24 HR. TOTAL   0.81   10/24 TO 10/25

SNOWFALL (INCHES)
RECORDS
 TOTAL          27.7   1925
 24 HR TOTAL    14.0   10/11/1891 TO 10/11/1891
TOTALS          13.9                2.8    11.1        T
SINCE 7/1       13.9                3.3    10.6
SNOWDEPTH AVG.     2
DAYS >= TRACE      5                1.5     3.5
DAYS >= 1.0        4                0.9     3.1
GREATEST
 SNOW DEPTH       10   10/26
 24 HR TOTAL     6.4

DEGREE DAYS
HEATING TOTAL    605                603       2      463
 SINCE 7/1       730                878    -148       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       588                433     155       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    39/270    DATE  10/17
HIGHEST GUST SPEED/DIRECTION    58/260    DATE  10/17

SKY COVER
AVERAGE SKY COVER           0.44

AVERAGE RH (PERCENT)     65

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       5
LIGHT SNOW                5     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$