Climatological Report (Monthly)
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CLMHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
622 PM MDT MON MAR 20 2017

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

...THE HELENA MT CLIMATE SUMMARY FOR THE MONTH OF FEBRUARY 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              69   02/24/1995
                        02/27/1932
 LOW              -42   02/02/1996
HIGHEST            56   02/09        41      15       61  02/26
LOWEST            -16   02/03        12     -28        9  02/03
AVG. MAXIMUM     34.5              38.6    -4.1     48.1
AVG. MINIMUM     14.9              16.9    -2.0     27.6
MEAN             24.7              27.7    -3.0     37.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     10               6.8     3.2        1
DAYS MIN <= 32     26              25.8     0.2       22
DAYS MIN <= 0       5               3.5     1.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.98   2014
 MINIMUM         0.02   1991
TOTALS           0.68              0.30    0.38     0.16
DAYS >= .01         9               5.9     3.1
DAYS >= .10         3               1.0     2.0
DAYS >= .50         0               0.0     0.0
DAYS >= 1.00        0               0.0     0.0
GREATEST
 24 HR. TOTAL    0.19   02/06 TO 02/06
                        02/05 TO 02/06
                        02/06 TO 02/06

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   5
 24 HR TOTAL       MM
TOTALS           10.8               5.0     5.8      0.3
SINCE 7/1        48.6              27.3    21.3
SNOWDEPTH AVG.      4
DAYS >= TRACE      13               5.2     7.8
DAYS >= 1.0         5               1.8     3.2
GREATEST
 SNOW DEPTH        12R  02/06
 24 HR TOTAL      4.5   02/04 TO 02/04

DEGREE_DAYS
HEATING TOTAL    1122              1043      79      779
 SINCE 7/1       5800              5561     239     4940
COOLING TOTAL       0                 0       0        0
 SINCE 1/1          0                 0       0        0
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.4
HIGHEST WIND SPEED/DIRECTION    35/180    DATE  02/16
HIGHEST GUST SPEED/DIRECTION    48/180    DATE  02/16

SKY COVER
AVERAGE SKY COVER           0.50

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               12     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      3
HAZE                     10

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

$$



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