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

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920
CDUS43 KUNR 180036
CLIRAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
636 PM MDT MON AUG 17 2026

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR AUGUST 17 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1942 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         87    224 PM 105    2021  86      1       91
  MINIMUM         56    442 AM  39    2002  56      0       64
  AVERAGE         72                        71      1       78

PRECIPITATION (IN)
  TODAY            T             1.55 2015   0.06  -0.06     0.00
  MONTH TO DATE    1.76                      0.98   0.78     2.46
  SINCE JUN 1      3.65                      6.13  -2.48     8.56
  SINCE JAN 1      9.21                     13.38  -4.17    14.99

DEGREE DAYS
 HEATING
  TODAY            0                         1     -1        0
  MONTH TO DATE    5                         2      3        0
  SINCE JUN 1     79                       108    -29       73
  SINCE JUL 1      5                        15    -10       11

 COOLING
  TODAY            7                         6      1       13
  MONTH TO DATE  143                       130     13      151
  SINCE JUN 1    674                       455    219      578
  SINCE JAN 1    714                       467    247      602
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     5.3


SKY COVER
  AVERAGE SKY COVER 0.2


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           100 AM
 LOWEST     31           400 PM
 AVERAGE    64

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


THE RAPID CITY AIRPORT SD CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       104      1959
 MINIMUM TEMPERATURE (F)   56        43      2002


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   558 AM MDT   SUNSET   753 PM MDT
AUGUST 18 2026........SUNRISE   600 AM MDT   SUNSET   752 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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