Climatological Report (Monthly)
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CXUS55 KTFX 020506 CCA
CLMGTF

CLIMATE REPORT...COR
NATIONAL WEATHER SERVICE GREAT FALLS MT
1100 PM MDT MON OCT 1 2018

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             100   09/04/1893
 LOW               10   09/24/1926
HIGHEST            91   09/07        76      15       94
LOWEST             30   09/30        40     -10       29
AVG. MAXIMUM     66.9              70.3    -3.4     70.2
AVG. MINIMUM     41.2              42.0    -0.8     43.3
MEAN             54.0              56.1    -2.1     56.7
DAYS MAX >= 90      1               1.1    -0.1
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      3               2.4     0.6
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.56   1941
 MINIMUM            T   2012
                        1932
TOTALS           1.44              1.42    0.02     2.37
DAYS >= .01        12               7.8     4.2
DAYS >= .10         5               3.8     1.2
DAYS >= .50         0               0.8    -0.8
DAYS >= 1.00        0               0.1    -0.1
GREATEST
 24 HR. TOTAL    0.40   09/15 TO 09/15

SNOWFALL (INCHES)
RECORDS
 TOTAL           13.2   1934
 24 HR TOTAL      6.1   09/28/1954 TO 09/28/1954
TOTALS            0.1               1.2    -1.1        T
SINCE 7/1         0.1               1.5    -1.4        T
SNOWDEPTH AVG.      0
DAYS >= TRACE       2               0.8     1.2
DAYS >= 1.0         0               0.3    -0.3
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.1   09/30 TO 09/30

DEGREE_DAYS
HEATING TOTAL     337               286      51      285
 SINCE 7/1        457               407      50      314
COOLING TOTAL      14                21      -7       47
 SINCE 1/1        324               297      27      456
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              7.9
HIGHEST WIND SPEED/DIRECTION    31/350    DATE  09/03
HIGHEST GUST SPEED/DIRECTION    44/250    DATE  09/06

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM          4         MIXED PRECIP          0
HEAVY RAIN            2         RAIN                  4
LIGHT RAIN           14         FREEZING RAIN         0
LT FREEZING RAIN      1         HAIL                  0
HEAVY SNOW            0         SNOW                  0
LIGHT SNOW            2         SLEET                 0
FOG                  11         FOG W/VIS <=1/4 MILE  3
HAZE                  0

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

$$


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