214
CXUS53 KUNR 011536
CLMUNR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
936 AM MDT WED OCT 01 2025

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

...THE EAST RAPID CITY SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   09/04/1960
                       09/02/1960
 LOW              15   09/25/1926
HIGHEST           95   09/11                          98  09/02
                                                          09/29
LOWEST            44   09/07                          45  09/22
                                                          09/30
AVG. MAXIMUM    79.3               74.0     5.3     85.9
AVG. MINIMUM    55.1               50.8     4.3     56.8
MEAN            67.2               62.4     4.8     71.3
DAYS MAX >= 90     2                                  12
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.07   1913
 MINIMUM        0.02   1888
TOTALS          1.52               1.40    0.12     0.84
DAILY AVG.      0.05               0.05    0.00     0.03
DAYS >= .01        9                                   5
DAYS >= .10        4                                   4
DAYS >= .50        1                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.50   09/17 TO 09/17               0.46

SNOWFALL (INCHES)
RECORDS
 TOTAL           4.8   1927
TOTALS           0.0                0.1    -0.1      0.0
SINCE 7/1        0.0                0.1    -0.1       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM                                  MM

DEGREE DAYS
HEATING TOTAL     49                157    -108       16
 SINCE 7/1        61                185    -124       MM
COOLING TOTAL    123                 79      44      213
 SINCE 1/1       820                673     147       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.6
HIGHEST WIND SPEED/DIRECTION    36/330    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    49/320    DATE  09/04

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       4
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     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.

$$