Climatological Report (Monthly)
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CXUS55 KTFX 020011
CLMHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
611 PM MDT SAT APR 1 2017

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF MARCH 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              78   03/30/2004
 LOW              -30   03/25/1955
HIGHEST            76   03/18        52      24       66  03/20
                                                          03/10
                                                          03/05
LOWEST             15   03/10        19      -4       15  03/19
                        03/09
AVG. MAXIMUM     52.6              48.2     4.4     52.0
AVG. MINIMUM     30.9              24.3     6.6     28.4
MEAN             41.8              36.3     5.5     40.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      1               2.8    -1.8        0
DAYS MIN <= 32     15              25.4   -10.4       25
DAYS MIN <= 0       0               0.9    -0.9        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         2.39   1898
 MINIMUM            T   1881
TOTALS           0.42              0.59   -0.17     0.19
DAYS >= .01         5               7.7    -2.7
DAYS >= .10         2               2.0     0.0
DAYS >= .50         0               0.0     0.0
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.27   03/09 TO 03/09

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS            2.9               6.2    -3.3        T
SINCE 7/1        51.5              33.5    18.0
SNOWDEPTH AVG.      0
DAYS >= TRACE       6               5.0     1.0
DAYS >= 1.0         1               1.9    -0.9
GREATEST
 SNOW DEPTH         3   03/10
 24 HR TOTAL      2.5   03/09 TO 03/09

DEGREE_DAYS
HEATING TOTAL     713               891    -178      759
 SINCE 7/1       6513              6452      61     5699
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    30/270    DATE  03/18
HIGHEST GUST SPEED/DIRECTION    40/250    DATE  03/16

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     59

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                6     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$



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