Climatological Report (Monthly)
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CXUS55 KTFX 011157
CLMHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
557 AM MDT FRI SEP 01 2023

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            105   08/24/1969
 LOW              28   08/25/1992
HIGHEST          102   08/15         85      17      102  08/01
                       08/17
LOWEST            52   08/11         47       5       47  08/07
                       08/24
AVG. MAXIMUM    86.6               84.6     2.0     91.7
AVG. MINIMUM    58.0               52.9     5.1     58.9
MEAN            72.3               68.8     3.5     75.3
DAYS MAX >= 90    11               10.6     0.4       23
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        4.23   1974
 MINIMUM           T
TOTALS          0.51               1.04   -0.53     0.48
DAYS >= .01        6                6.3    -0.3
DAYS >= .10        1                3.1    -2.1
DAYS >= .50        0                0.2    -0.2
DAYS >= 1.00       0                0.0     0.0
GREATEST
 24 HR. TOTAL   0.36   08/20 TO 08/21

SNOWFALL (INCHES)
RECORDS
 TOTAL           6.2   1992
 24 HR TOTAL     6.2   08/22/1992 TO 08/23/1992
TOTALS           0.0                0.3    -0.3      0.0
SINCE 7/1        0.0                0.3    -0.3
SNOWDEPTH AVG.     0
DAYS >= TRACE      0                0.1    -0.1
DAYS >= 1.0        0                0.1    -0.1
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL      1                 40     -39        1
 SINCE 7/1         4                 61     -57       MM
COOLING TOTAL    234                156      78      330
 SINCE 1/1       552                405     147       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.5
HIGHEST WIND SPEED/DIRECTION    41/260    DATE  08/18
HIGHEST GUST SPEED/DIRECTION    60/260    DATE  08/18

SKY COVER
AVERAGE SKY COVER           0.23

AVERAGE RH (PERCENT)     46

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       1     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$


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