120
CXUS53 KUNR 011550
CLMGCC

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

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

...THE GILLETTE AIRPORT WY 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           97   09/06                          91  09/10
LOWEST            34   09/15                          34  09/05
AVG. MAXIMUM    78.7               74.7     4.0     80.4
AVG. MINIMUM    48.6               44.2     4.4     47.8
MEAN            63.6               59.4     4.2     64.1
DAYS MAX >= 90     4                                   2
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.41               0.98   -0.57     0.43
DAILY AVG.      0.01               0.03   -0.02     0.01
DAYS >= .01        6                                   5
DAYS >= .10        1                                   2
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.21   09/17 TO 09/17               0.24


DEGREE DAYS
HEATING TOTAL     95                215    -120       79
 SINCE 7/1       111                270    -159       MM
COOLING TOTAL     62                 48      14       57
 SINCE 1/1       747                516     231       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    43/180    DATE  09/13
HIGHEST GUST SPEED/DIRECTION    56/190    DATE  09/13

AVERAGE RH (PERCENT)     52

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       0
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       5     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

$$