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

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869
CXUS53 KUNR 240447
CLARAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
947 PM MST SAT JAN 23 2021

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            111   07/15/2006
 LOW             -31   02/02/1996
HIGHEST          104   09/05                          92  09/02
                                                          07/24
LOWEST            -7   10/26                         -19  02/07
AVG. MAXIMUM    61.8               60.4     1.4     54.7
AVG. MINIMUM    33.6               33.9    -0.3     31.2
MEAN            47.7               47.1     0.6     43.0
DAYS MAX >= 90    39                                   7
DAYS MAX <= 32    38                                  62
DAYS MIN <= 32   189                                 195
DAYS MIN <= 0      7                                  28

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       27.89   2019
 MINIMUM        9.12   1974
TOTALS         12.86              16.29   -3.43    27.89
DAILY AVG.      0.03               0.04   -0.01     0.08
DAYS >= .01      105                                 135
DAYS >= .10       40                                  65
DAYS >= .50        4                                  14
DAYS >= 1.00       1                                   5
GREATEST
 24 HR. TOTAL   1.51   06/04 TO 06/04               2.34  05/21 TO 05/21


DEGREE DAYS
HEATING TOTAL   6906               7152    -246     8242
COOLING TOTAL    686                636      50      399

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/02
LATEST                          05/10
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    58/330    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    79/320    DATE  12/23

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             41     MIXED PRECIP               1
HEAVY RAIN                8     RAIN                      25
LIGHT RAIN               99     FREEZING RAIN              0
LT FREEZING RAIN          5     HAIL                       5
HEAVY SNOW                1     SNOW                      12
LIGHT SNOW               62     SLEET                      0
FOG                      82     FOG W/VIS <= 1/4 MILE     14
HAZE                     28

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

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