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

000
CXUS53 KUNR 011551
CLMRAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
951 AM MDT SUN OCT 01 2023

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1942 TO 2023

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              18   09/24/1985
                       09/26/1942
HIGHEST          103   09/02                          98  09/01
                                                          09/04
LOWEST            42   09/16                          36  09/26
                       09/25
AVG. MAXIMUM    79.8               76.1     3.7     81.7
AVG. MINIMUM    49.1               46.4     2.7     49.1
MEAN            64.4               61.3     3.1     65.4
DAYS MAX >= 90     5                                   8
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.94   1946
 MINIMUM        0.03   1975
TOTALS          0.99               1.22   -0.23     0.39
DAILY AVG.      0.03               0.04   -0.01     0.01
DAYS >= .01       10                                   4
DAYS >= .10        5                                   2
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.29   09/04 TO 09/05               0.20


DEGREE DAYS
HEATING TOTAL     88                175     -87       91
 SINCE 7/1       130                213     -83       MM
COOLING TOTAL     76                 62      14      110
 SINCE 1/1       551                604     -53       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.4
HIGHEST WIND SPEED/DIRECTION    40/270    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    49/330    DATE  09/05

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       3
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      1
HAZE                      4

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

$$