216
CXUS53 KUNR 011536
CLMGCC

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
936 AM MDT WED OCT 01 2025

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

...THE GILLETTE AIRPORT WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

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           91   09/10                          99  09/02
LOWEST            34   09/05                          32  09/30
AVG. MAXIMUM    80.4               74.7     5.7     84.9
AVG. MINIMUM    47.8               44.2     3.6     47.8
MEAN            64.1               59.4     4.7     66.4
DAYS MAX >= 90     2                                  14
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   1
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
TOTALS          0.43               0.98   -0.55     0.12
DAILY AVG.      0.01               0.03   -0.02     0.00
DAYS >= .01        5                                   1
DAYS >= .10        2                                   1
DAYS >= .50        0                                   0
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.24   09/11 TO 09/12               0.12


DEGREE DAYS
HEATING TOTAL     79                215    -136       72
 SINCE 7/1        99                270    -171       MM
COOLING TOTAL     57                 48       9      119
 SINCE 1/1       603                516      87       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    40/240    DATE  09/15
HIGHEST GUST SPEED/DIRECTION    53/230    DATE  09/15

AVERAGE RH (PERCENT)     50

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP              MM
HEAVY RAIN                2     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN             MM
LT FREEZING RAIN         MM     HAIL                      MM
HEAVY SNOW               MM     SNOW                      MM
LIGHT SNOW               MM     SLEET                     MM
FOG                       4     FOG W/VIS <= 1/4 MILE      1
HAZE                      2

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

$$