266
CXUS53 KUNR 110153
CLSUNR

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
753 PM MDT THU SEP 10 2026

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

...THE EAST RAPID CITY SD CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2026 TO 8/31/2026...

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            110   07/25/2026
 LOW              31   06/03/1998
                       06/02/1951
                       06/01/1951
HIGHEST          110R  07/25                         103  06/20
LOWEST            48   06/01                          46  06/06
AVG. MAXIMUM    86.7               81.3     5.4     82.7
AVG. MINIMUM    61.5               58.7     2.8     59.7
MEAN            74.1               70.0     4.1     71.2
DAYS MAX >= 90    38                                  20
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.97   1905
 MINIMUM        2.18   1936
TOTALS          6.37               8.12   -1.75     8.39
DAILY AVG.      0.07               0.09   -0.02     0.09
DAYS >= .01       28                                  37
DAYS >= .10       16                                  18
DAYS >= .50        3                                   6
DAYS >= 1.00       1                                   1
GREATEST
 24 HR. TOTAL   1.96   08/16 TO 08/17               1.12

SNOWFALL (INCHES)
RECORDS
 TOTAL           3.0   1969
TOTALS           0.0                0.1    -0.1      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL     0.0                                 0.0

DEGREE DAYS
HEATING TOTAL     44                112     -68       65
COOLING TOTAL    910                577     333      659
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.8
HIGHEST WIND SPEED/DIRECTION    37/330    DATE  06/17
HIGHEST GUST SPEED/DIRECTION    58/300    DATE  06/16

AVERAGE RH (PERCENT)     53

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             25     MIXED PRECIP               0
HEAVY RAIN                9     RAIN                      11
LIGHT RAIN               43     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       4
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       2     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$