Climatological Report (Monthly)
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CXUS55 KTFX 010725
CLMHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1225 AM MST FRI DEC 1 2017

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   11/12/1999
 LOW              -39   11/16/1959
HIGHEST            68   11/23        50      18       67  11/12
LOWEST              0   11/07        15     -15       18  11/18
AVG. MAXIMUM     41.1              43.1    -2.0     54.0
AVG. MINIMUM     22.2              22.0     0.2     29.9
MEAN             31.6              32.5    -0.9     41.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      7               5.1     1.9        0
DAYS MIN <= 32     26              24.4     1.6       22
DAYS MIN <= 0       1               1.7    -0.7        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.29   1896
 MINIMUM         0.02   2016
                        1928
TOTALS           1.06              0.49    0.57     0.02
DAYS >= .01         9               6.9     2.1
DAYS >= .10         3               1.7     1.3
DAYS >= .50         0               0.0     0.0
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.49   11/01 TO 11/01

SNOWFALL (INCHES)
RECORDS
 TOTAL           32.9   1959
 24 HR TOTAL     21.5   11/10/1959 TO 11/11/1959
TOTALS            7.5               4.8     2.7      0.3
SINCE 7/1         8.8               8.8     0.0
SNOWDEPTH AVG.      2
DAYS >= TRACE       9               4.6     4.4
DAYS >= 1.0         3               1.6     1.4
GREATEST
 SNOW DEPTH         4   11/09
                        11/08
                        11/07
 24 HR TOTAL      2.7   11/01 TO 11/01

DEGREE_DAYS
HEATING TOTAL     995               974      21      663
 SINCE 7/1       1881              1882      -1     1436
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        702               406     296      455
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.7
HIGHEST WIND SPEED/DIRECTION    37/270    DATE  11/29
HIGHEST GUST SPEED/DIRECTION    52/250    DATE  11/24

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                5     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                9     SLEET                      1
FOG                      13     FOG W/VIS <= 1/4 MILE      4
HAZE                      4

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

$$



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