114
CXUS53 KUNR 011550
CLMCUT

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

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

...THE CUSTER COUNTY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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           86   09/04                          84  09/11
                       09/05
LOWEST            39   09/15                          30  09/06
AVG. MAXIMUM    71.0               69.0     2.0     72.2
AVG. MINIMUM    48.2               42.9     5.3     45.3
MEAN            59.6               55.9     3.7     58.8
DAYS MAX >= 90     0                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   1
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          3.09               1.59    1.50     0.81
DAILY AVG.      0.10               0.05    0.05     0.03
DAYS >= .01       10                                   9
DAYS >= .10        3                                   4
DAYS >= .50        1                                   0
DAYS >= 1.00       1                                   0
GREATEST
 24 HR. TOTAL   2.09   09/20 TO 09/20               0.37


DEGREE DAYS
HEATING TOTAL    182                288    -106      184
 SINCE 7/1       221                419    -198       MM
COOLING TOTAL     30                 16      14        4
 SINCE 1/1       334                209     125       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    25/260    DATE  09/07
HIGHEST GUST SPEED/DIRECTION    39/250    DATE  09/07

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       5
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE     10
HAZE                      0

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

$$