Climatological Report (Monthly)
Issued by NWS

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000
CXUS55 KTFX 011235
CLMHLN

CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
630 AM MDT WED OCT 1 2014

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              99   09/05/1967
 LOW                6   09/24/1926
HIGHEST            91   09/25        77      14       93  09/01
                        09/24
LOWEST             27   09/12        36      -9       28  09/27
AVG. MAXIMUM     72.7              72.6     0.1     74.4
AVG. MINIMUM     45.0              43.1     1.9     48.8
MEAN             58.9              57.8     1.1     61.6
DAYS MAX >= 90      2               1.6     0.4        2
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      1               1.6    -0.6        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.66   1882
 MINIMUM         0.00   2012
TOTALS           1.10              1.10    0.00     1.46
DAYS >= .01         7               6.1     0.9
DAYS >= .10         3               2.8     0.2
DAYS >= .50         1               0.6     0.4
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.59   09/26 TO 09/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           14.1   1925
 24 HR TOTAL     13.3   09/18/1957 TO 09/19/1957
TOTALS              T               1.3    -1.3      0.0
SINCE 7/1           T               1.6    -1.6
SNOWDEPTH AVG.      0
DAYS >= TRACE       1               0.7     0.3
DAYS >= 1.0         0               0.4    -0.4
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL        T   09/11 TO 09/11

DEGREE_DAYS
HEATING TOTAL     194               237     -43      174
 SINCE 7/1        241               306     -65      177
COOLING TOTAL      18                23      -5       80
 SINCE 1/1        466               406      60      589
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    30/280    DATE  09/26
HIGHEST GUST SPEED/DIRECTION    44/270    DATE  09/23

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     54

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                       2     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.

&&

SUMMARY...HELENA HAD NEAR AVERAGE TEMPERATURES THIS MONTH.
PRECIPITATION WAS RIGHT ON AVERAGE WITH 1.10 INCHES FALLING.
A TRACE OF SNOW FELL ON THE 11TH. A RECORD HIGH TEMPERATURE
OF 91 DEGREES WAS SET ON THE 24TH BREAKING THE OLD RECORD OF
88 DEGREES SET IN 2009.

$$






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