773
CXUS53 KUNR 011551
CLMCUT

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
951 AM MDT TUE SEP 01 2026

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

...THE CUSTER COUNTY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
HIGHEST           93   08/02                          92  08/07
LOWEST            42   08/04                          43  08/25
                       08/05
AVG. MAXIMUM    80.4               77.8     2.6     77.4
AVG. MINIMUM    52.9               51.6     1.3     51.9
MEAN            66.7               64.7     2.0     64.6
DAYS MAX >= 90     3                                   2
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          2.90R              2.12    0.78     1.83
DAILY AVG.      0.09               0.07    0.02     0.06
DAYS >= .01       10                                  12
DAYS >= .10        7                                   7
DAYS >= .50        1                                   1
DAYS >= 1.00       1                                   0
GREATEST
 24 HR. TOTAL   1.30   08/15 TO 08/15               0.57


DEGREE DAYS
HEATING TOTAL     35                 80     -45       73
 SINCE 7/1        39                132     -93       MM
COOLING TOTAL     95                 71      24       68
 SINCE 1/1       304                193     111       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.8
HIGHEST WIND SPEED/DIRECTION    23/270    DATE  08/29
HIGHEST GUST SPEED/DIRECTION    37/270    DATE  08/30

AVERAGE RH (PERCENT)     57

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       8     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

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