Climatological Report (Daily)
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000
CDUS45 KTFX 191152
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
450 AM MST SUN NOV 19 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR NOVEMBER 18 2017...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         42   1158 AM  71    2008  42      0       39
  MINIMUM         25   1133 PM -17    1881  21      4       18
  AVERAGE         34                        31      3       29

PRECIPITATION (IN)
  YESTERDAY        0.00          0.31 1978   0.02  -0.02     0.00
  MONTH TO DATE    0.85                      0.29   0.56     0.01
  SINCE OCT 1      1.29                      0.97   0.32     1.69
  SINCE JAN 1      8.48                     10.62  -2.14     8.86

SNOWFALL (IN)
  YESTERDAY        0.0          10.4  1978   0.2   -0.2      0.0
  MONTH TO DATE    7.5                       2.4    5.1       T
  SINCE SEP 1      8.8                       6.1    2.7      1.0
  SINCE JUL 1      8.8                       6.4    2.4      1.0
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       31                        34     -3       36
  MONTH TO DATE  702                       534    168      367
  SINCE SEP 1   1586                      1373    213     1096
  SINCE JUL 1   1588                      1442    146     1140

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE SEP 1     66                        23     43       13
  SINCE JAN 1    702                       406    296      455
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     7.7


SKY COVER
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75          1000 PM
 LOWEST     40           100 PM
 AVERAGE    58

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   41        69      1897
 MINIMUM TEMPERATURE (F)   21       -15      1900


SUNRISE AND SUNSET
NOVEMBER 19 2017......SUNRISE   736 AM MST   SUNSET   450 PM MST
NOVEMBER 20 2017......SUNRISE   738 AM MST   SUNSET   449 PM MST


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




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