492
CXUS53 KUNR 011642
CLMRAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1042 AM MDT TUE OCT 01 2024

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1942 TO 2024

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          100   09/02                         103  09/02
                       09/03
                       09/29
LOWEST            36   09/22                          42  09/16
                                                          09/25
AVG. MAXIMUM    87.8               76.1    11.7     79.8
AVG. MINIMUM    52.1               46.4     5.7     49.1
MEAN            70.0               61.3     8.7     64.4
DAYS MAX >= 90    14                                   5
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          1.18               1.22   -0.04     0.99
DAILY AVG.      0.04               0.04   -0.00     0.03
DAYS >= .01        4                                  10
DAYS >= .10        3                                   5
DAYS >= .50        1                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.82   09/12 TO 09/12               0.29


DEGREE DAYS
HEATING TOTAL     35                175    -140       88
 SINCE 7/1        45                213    -168       MM
COOLING TOTAL    192                 62     130       76
 SINCE 1/1       922                604     318       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
HIGHEST WIND SPEED/DIRECTION    43/320    DATE  09/30
HIGHEST GUST SPEED/DIRECTION    63/320    DATE  09/30

AVERAGE RH (PERCENT)     48

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

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

$$