Climatological Report (Monthly)
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CXUS55 KTFX 011312
CLMGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
605 AM MST SUN JAN 1 2017

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/05/1939
 LOW              -43   12/29/1968
HIGHEST            43   12/30        37       6       57
                        12/29
LOWEST            -26   12/16        12     -38       -5
AVG. MAXIMUM     22.4              34.6   -12.2     35.1
AVG. MINIMUM      6.2              14.9    -8.7     18.2
MEAN             14.3              24.8   -10.5     26.6
DAYS MAX >= 90      0               0.0     0.0
DAYS MAX <= 32     18              10.4     7.6
DAYS MIN <= 32     31              27.2     3.8
DAYS MIN <= 0      15               5.4     9.6

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.49   1917
 MINIMUM            T   1954
TOTALS           0.89              0.55    0.34     1.07
DAYS >= .01        11               7.5     3.5
DAYS >= .10         3               1.8     1.2
DAYS >= .50         0               0.1    -0.1
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.31   12/24 TO 12/25

SNOWFALL (INCHES)
RECORDS
 TOTAL           30.5   2008
 24 HR TOTAL       MM
TOTALS           15.8               9.5     6.3     15.5
SINCE 7/1        18.5              23.2    -4.7     31.4
SNOWDEPTH AVG.      2
DAYS >= TRACE      17               7.5     9.5
DAYS >= 1.0         4               3.1     0.9
GREATEST
 SNOW DEPTH         6   12/17
                        12/16
 24 HR TOTAL      4.3   MM

DEGREE_DAYS
HEATING TOTAL    1565              1248     317     1183
 SINCE 7/1       3150              3217     -67     3004
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        252               298     -46      411
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              13.1
HIGHEST WIND SPEED/DIRECTION    49/230    DATE  12/27
HIGHEST GUST SPEED/DIRECTION    57/230    DATE  12/27

SKY COVER
AVERAGE SKY COVER           0.40

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       4
LIGHT SNOW               17     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      3

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

$$




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