Climatological Report (Monthly)
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CXUS55 KTFX 010932
CLMGTF


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
329 AM MDT THU JUN 1 2017

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

...THE GREAT FALLS MT CLIMATE SUMMARY FOR THE MONTH OF MAY 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1886 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             100   05/28/1919
 LOW               12   05/01/2009
HIGHEST            87   05/31        70      17       81
LOWEST             32   05/03        37      -5       29
                        05/02
AVG. MAXIMUM     68.8              64.8     4.0     63.7
AVG. MINIMUM     39.9              38.6     1.3     38.7
MEAN             54.4              51.7     2.7     51.2
DAYS MAX >= 90      0               0.1    -0.1
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      2               5.6    -3.6
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.13   1953
 MINIMUM         0.21   1895
TOTALS           2.01              2.42   -0.41     2.04
DAYS >= .01        11              11.7    -0.7
DAYS >= .10         6               5.8     0.2
DAYS >= .50         1               1.2    -0.2
DAYS >= 1.00        0               0.3    -0.3
GREATEST
 24 HR. TOTAL    0.65   05/17 TO 05/17

SNOWFALL (INCHES)
RECORDS
 TOTAL           11.6   1989
 24 HR TOTAL     11.6   05/28/1989 TO 05/29/1989
TOTALS            0.0               2.7    -2.7        T
SINCE 7/1        48.4              63.2   -14.8     46.9
SNOWDEPTH AVG.      0
DAYS >= TRACE       0               1.6    -1.6
DAYS >= 1.0         0               0.8    -0.8
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   05/31 TO 05/31

DEGREE_DAYS
HEATING TOTAL     327               418     -91      420
 SINCE 7/1       7492              7535     -43     6689
COOLING TOTAL       7                 6       1        0
 SINCE 1/1          7                 7       0        0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    44/270    DATE  05/24
HIGHEST GUST SPEED/DIRECTION    54/250    DATE  05/24

SKY COVER
AVERAGE SKY COVER           0.30

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       4
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      0
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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