Climatological Report (Daily)
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356
CDUS45 KTFX 180927
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
225 AM MST THU JAN 18 2018


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

...THE HELENA MT CLIMATE SUMMARY FOR JANUARY 17 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         29    314 PM  55    1919  34     -5       24
  MINIMUM          9    256 AM -32    1930  13     -4       -2
  AVERAGE         19                        23     -4       11

PRECIPITATION (IN)
  YESTERDAY        0.00          0.51 1885   0.01  -0.01     0.00
  MONTH TO DATE    0.22                      0.21   0.01     0.44
  SINCE OCT 1      3.55                      1.78   1.77     3.42
  SINCE JAN 1      0.22                      0.21   0.01     0.44

SNOWFALL (IN)
  YESTERDAY        0.0           5.1  1885   0.2   -0.2      0.0
  MONTH TO DATE    3.4                       3.4    0.0      7.8
  SINCE DEC 1     26.6                      10.7   15.9     31.6
  SINCE JUL 1     35.4                      19.5   15.9     32.9
  SNOW DEPTH       5

DEGREE DAYS
 HEATING
  YESTERDAY       46                        42      4       54
  MONTH TO DATE  813                       729     84     1054
  SINCE DEC 1   2265                      2068    197     2596
  SINCE JUL 1   4146                      3950    196     4071

 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     9   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     2.6


SKY COVER
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           400 AM
 LOWEST     75           200 PM
 AVERAGE    86

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   34        57      1919
 MINIMUM TEMPERATURE (F)   13       -34      1883


SUNRISE AND SUNSET
JANUARY 18 2018.......SUNRISE   806 AM MST   SUNSET   512 PM MST
JANUARY 19 2018.......SUNRISE   805 AM MST   SUNSET   513 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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