118
CXUS53 KUNR 011550
CLMUNR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
950 AM MDT THU OCT 01 2026

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

...THE EAST RAPID CITY SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2026

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   09/02                          95  09/11
                       09/04
LOWEST            48   09/15                          44  09/07
AVG. MAXIMUM    77.6               74.0     3.6     79.3
AVG. MINIMUM    57.5               50.8     6.7     55.1
MEAN            67.5               62.4     5.1     67.2
DAYS MAX >= 90     7                                   2
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          1.57               1.40    0.17     1.52
DAILY AVG.      0.05               0.05    0.00     0.05
DAYS >= .01       11                                   9
DAYS >= .10        5                                   4
DAYS >= .50        1                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.75   09/20 TO 09/20               0.50

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     44                157    -113       49
 SINCE 7/1        45                185    -140       MM
COOLING TOTAL    126                 79      47      123
 SINCE 1/1      1119                673     446       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.2
HIGHEST WIND SPEED/DIRECTION    35/010    DATE  09/14
HIGHEST GUST SPEED/DIRECTION    47/180    DATE  09/07
                                47/360          09/11

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$