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

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000
CXUS53 KUNR 240447
CLAUNR

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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1888 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            107   07/12/1954
                       07/09/1954
 LOW             -34   02/11/1899
HIGHEST          102   08/23                          93  09/15
                       09/05
LOWEST            -3   01/15                         -14  02/08
                       01/14
                                                          02/07
AVG. MAXIMUM    60.9               58.7     2.2     54.2
AVG. MINIMUM    38.6               37.4     1.2     35.2
MEAN            49.8               48.0     1.8     44.7
DAYS MAX >= 90    32                                   7
DAYS MAX <= 32    38                                  62
DAYS MIN <= 32   157                                 162
DAYS MIN <= 0      5                                  21

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       31.73   2019
 MINIMUM        7.51   1936
TOTALS         16.18              19.79   -3.61    31.73
DAILY AVG.      0.04               0.05   -0.01     0.09
DAYS >= .01      111                                 136
DAYS >= .10       45                                  68
DAYS >= .50        6                                  17
DAYS >= 1.00       0                                   5
GREATEST
 24 HR. TOTAL   1.08   09/07 TO 09/08               2.58

SNOWFALL (INCHES)
RECORDS
 TOTAL          93.8   2009
 24 HR TOTAL      MM
TOTALS          69.0               49.3    19.7     91.2
SINCE 7/1       18.7               13.8     4.9       MM
DAYS >= 1.0       25               13.9    11.1       28
GREATEST
 24 HR TOTAL     9.1   04/01 TO 04/02               15.7  11/29 TO 11/30

DEGREE DAYS
HEATING TOTAL   6318               6860    -542     7720
COOLING TOTAL    861                664     197      469

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/15
LATEST                          05/10
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    49/320    DATE  12/23
HIGHEST GUST SPEED/DIRECTION    71/330    DATE  12/23


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             41     MIXED PRECIP               3
HEAVY RAIN                5     RAIN                      17
LIGHT RAIN              113     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                      11
HEAVY SNOW                0     SNOW                      12
LIGHT SNOW               67     SLEET                      6
FOG                      17     FOG W/VIS <= 1/4 MILE      4
HAZE                      0

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

$$


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