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

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000
CXUS53 KUNR 100536
CLSRAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1036 PM MST WED DEC 09 2020

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2020 TO 11/30/2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/05/2020
                       09/06/1978
                       09/04/1960
 LOW             -19   11/14/1959
HIGHEST          104R  09/05                          92  09/02
LOWEST            -7   10/26                          -5  11/11
AVG. MAXIMUM    62.4               61.3     1.1     57.4
AVG. MINIMUM    31.9               34.0    -2.1     31.0
MEAN            47.1               47.7    -0.6     44.2
DAYS MAX >= 90     4                                   4
DAYS MAX <= 32     7                                  11
DAYS MIN <= 32    46                                  54
DAYS MIN <= 0      1                                   3

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.23   1998
 MINIMUM        0.37   1952
TOTALS          2.20               3.24   -1.04     4.62
DAILY AVG.      0.02               0.04   -0.02     0.05
DAYS >= .01       17                                  31
DAYS >= .10        4                                  10
DAYS >= .50        1                                   3
DAYS >= 1.00       0                                   1
GREATEST
 24 HR. TOTAL   0.96   09/07 TO 09/07               1.65


DEGREE DAYS
HEATING TOTAL   1644               1638       6     1944
COOLING TOTAL     44                 64     -20       59
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    45/330    DATE  10/11
                                45/320          09/24
HIGHEST GUST SPEED/DIRECTION    67/330    DATE  10/14

AVERAGE RH (PERCENT)     56

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW               12     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      3
HAZE                      8

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

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