Climatological Report (Monthly)
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CXUS55 KTFX 011627
CLMHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
927 AM MST THU FEB 01 2024

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1866 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             63   01/25/2015
                       01/07/1902
                       02/27/1932
 LOW             -42   01/25/1957
                       01/31/1893
HIGHEST           51   01/29         33      18       44  01/26
LOWEST           -36   01/13          9     -45       -6  01/29
                                                          01/30
AVG. MAXIMUM    27.7               32.4    -4.7     33.1
AVG. MINIMUM     8.5               13.5    -5.0     16.6
MEAN            18.1               23.0    -4.9     24.9
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    13               12.8     0.2       13
DAYS MIN <= 32    31               29.4     1.6       31
DAYS MIN <= 0      7                6.3     0.7        3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.75   1884
 MINIMUM           T
TOTALS          0.80               0.39    0.41     0.40
DAYS >= .01        9                6.5     2.5
DAYS >= .10        3                1.2     1.8
DAYS >= .50        0                0.0     0.0
DAYS >= 1.00       0                0.0     0.0
GREATEST
 24 HR. TOTAL   0.37   01/17 TO 01/18

SNOWFALL (INCHES)
RECORDS
 TOTAL          35.6   1969
 24 HR TOTAL    14.1   01/20/1969 TO 01/21/1969
TOTALS          12.6                6.6     6.0      2.7
SINCE 7/1       27.1               23.0     4.1
SNOWDEPTH AVG.     3
DAYS >= TRACE     10                5.6     4.4
DAYS >= 1.0        4                2.3     1.7
GREATEST
 SNOW DEPTH        8   01/18
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL   1447               1304     143     1239
 SINCE 7/1      4021               4434    -413       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1         0                  0       0       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              4.2
HIGHEST WIND SPEED/DIRECTION    31/260    DATE  01/09
HIGHEST GUST SPEED/DIRECTION    42/250    DATE  01/09

SKY COVER
AVERAGE SKY COVER           0.53

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW               10     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      4
HAZE                     15

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

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