Climatological Report (Daily)
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CDUS45 KTFX 210743
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
1242 AM MST SUN JAN 21 2018


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

...THE HELENA MT CLIMATE SUMMARY FOR JANUARY 20 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1866 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         37    145 PM  57    1950  34      3       37
  MINIMUM         20   1159 PM -36    1954  14      6       11
  AVERAGE         29                        24      5       24

PRECIPITATION (IN)
  YESTERDAY        0.00          0.40 1969   0.01  -0.01     0.00
  MONTH TO DATE    0.33                      0.24   0.09     0.44
  SINCE OCT 1      3.66                      1.81   1.85     3.42
  SINCE JAN 1      0.33                      0.24   0.09     0.44

SNOWFALL (IN)
  YESTERDAY        0.0           7.5  1969   0.2   -0.2      0.0
  MONTH TO DATE    3.4                       4.0   -0.6      7.8
  SINCE DEC 1     26.6                      11.3   15.3     31.6
  SINCE JUL 1     35.4                      20.1   15.3     32.9
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       36                        41     -5       41
  MONTH TO DATE  915                       852     63     1171
  SINCE DEC 1   2367                      2191    176     2713
  SINCE JUL 1   4248                      4073    175     4188

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     5.6


SKY COVER
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    74           800 AM
 LOWEST     52           400 PM
 AVERAGE    63

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        52      1950
 MINIMUM TEMPERATURE (F)   14       -32      1962


SUNRISE AND SUNSET
JANUARY 21 2018.......SUNRISE   803 AM MST   SUNSET   516 PM MST
JANUARY 22 2018.......SUNRISE   802 AM MST   SUNSET   517 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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