Climatological Report (Daily)
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064
CDUS45 KTFX 200819
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
218 AM MDT SUN AUG 20 2017


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

...THE HELENA MT CLIMATE SUMMARY FOR AUGUST 19 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         87    318 PM  98    2008  84      3       72
  MINIMUM         63   1155 PM  34    1995  52     11       50
  AVERAGE         75                        68      7       61

PRECIPITATION (IN)
  YESTERDAY        0.00          0.87 1964   0.04  -0.04     0.01
  MONTH TO DATE    T                         0.72  -0.72     0.92
  SINCE OCT 1      8.25                      9.64  -1.39     7.90
  SINCE JAN 1      5.27                      8.07  -2.80     6.20

SNOWFALL (IN)
  YESTERDAY        0.0           0.0  1999   0.0    0.0      0.0
                                      1995
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE JUN 1      0.0                       0.1   -0.1       T
  SINCE JUL 1      0.0                       0.1   -0.1      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         1     -1        4
  MONTH TO DATE    2                        13    -11       11
  SINCE JUN 1     78                       176    -98       83
  SINCE JUL 1      2                        40    -38       29

 COOLING
  YESTERDAY       10                         4      6        0
  MONTH TO DATE  102                       109     -7       83
  SINCE JUN 1    530                       339    191      396
  SINCE JAN 1    539                       347    192      396
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.2


SKY COVER
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    32          1000 PM
 LOWEST     13           200 PM
 AVERAGE    23

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        96      1967
                                             1953
 MINIMUM TEMPERATURE (F)   52        39      1995
                                             1956
                                             1916


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   633 AM MDT   SUNSET   829 PM MDT
AUGUST 21 2017........SUNRISE   634 AM MDT   SUNSET   827 PM MDT


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




$$




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