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Climatological Report (Daily)
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CDUS45 KTFX 210723
CLIHLN


CLIMATE REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
120 AM MDT FRI SEP 21 2018


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

...THE HELENA MT CLIMATE SUMMARY FOR SEPTEMBER 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         66    444 PM  90    1922  71     -5       54
  MINIMUM         43   1159 PM  20    1983  42      1       40
  AVERAGE         55                        56     -1       47

PRECIPITATION (IN)
  YESTERDAY        0.01          1.00 1941   0.03  -0.02     0.05
  MONTH TO DATE    0.59                      0.77  -0.18     1.78
  SINCE OCT 1     15.17                     10.89   4.28    10.03
  SINCE JAN 1     11.84                      9.32   2.52     7.05

SNOWFALL (IN)
  YESTERDAY        0.0           1.4  1968   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.7   -0.7      0.0
  SINCE SEP 1      0.0                       0.7   -0.7      0.0
  SINCE JUL 1      0.0                       1.0   -1.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       10                         9      1       18
  MONTH TO DATE   99                       125    -26      120
  SINCE SEP 1     99                       125    -26      120
  SINCE JUL 1    170                       194    -24      122

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE   18                        22     -4       66
  SINCE SEP 1     18                        22     -4       66
  SINCE JAN 1    410                       405      5      702
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     6.7


SKY COVER
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     27           600 PM
 AVERAGE    60

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


THE HELENA MT CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        90      1967
                                             1966
 MINIMUM TEMPERATURE (F)   41        20      1995


SUNRISE AND SUNSET
SEPTEMBER 21 2018.....SUNRISE   714 AM MDT   SUNSET   727 PM MDT
SEPTEMBER 22 2018.....SUNRISE   715 AM MDT   SUNSET   725 PM MDT


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




$$
National Weather Service National Headquarters
