Climatological Report (Daily)
Issued by NWS Rapid City, SD

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384
CDUS43 KUNR 181832
CLIRAP


CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1132 AM MST MON DEC 18 2017


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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR DECEMBER 18 2017...
VALID AS OF 1100 AM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         48   1059 AM  70    1979  36     12       15
  MINIMUM         21    424 AM -20    2016  12      9      -20
                                      1983
  AVERAGE         35                        24     11       -2

PRECIPITATION (IN)
  TODAY            0.00          0.30 1973   0.01  -0.01     0.00
  MONTH TO DATE    0.07                      0.23  -0.16     0.40
  SINCE DEC 1      0.07                      0.23  -0.16     0.40
  SINCE JAN 1     11.09                     16.10  -5.01    12.90

SNOWFALL (IN)
  TODAY            0.0           4.5  1973   0.2   -0.2      0.0
  MONTH TO DATE    2.3                       3.2   -0.9      6.3
  SINCE DEC 1      2.3                       3.2   -0.9      6.3
  SINCE JUL 1      2.3                      11.0   -8.7      9.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           30                        41    -11       67
  MONTH TO DATE  525                       711   -186      951
  SINCE DEC 1    525                       711   -186      951
  SINCE JUL 1   2076                      2386   -310     2174

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    709                       636     73      646
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SW (230)
  HIGHEST GUST SPEED    10   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     3.8


SKY COVER
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           900 AM
 LOWEST     42          1100 AM
 AVERAGE    57

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


THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   36        59      2004
 MINIMUM TEMPERATURE (F)   12       -17      1990


SUNRISE AND SUNSET
DECEMBER 18 2017......SUNRISE   722 AM MST   SUNSET   416 PM MST
DECEMBER 19 2017......SUNRISE   723 AM MST   SUNSET   416 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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