449
CXUS53 KFSD 012249
CLMMHE

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
549 PM CDT WED OCT 01 2025

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

...THE MITCHELL SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   09/05/1933
 LOW              11   09/29/1899
HIGHEST           92   09/29         MM      MM       92  09/15
                                                          09/29
LOWEST            35   09/07         MM      MM       40  09/23
AVG. MAXIMUM    79.1               76.8     2.3     84.6
AVG. MINIMUM    54.4               51.0     3.4     53.8
MEAN            66.8               63.9     2.8     69.2
DAYS MAX >= 90     1                3.4    -2.4        9
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.5    -0.5        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.63   2019
 MINIMUM        0.02   2022
TOTALS          0.79               2.34   -1.55     0.23
DAILY AVG.      0.03               0.08   -0.05     0.01
DAYS >= .01        7                7.2    -0.2        4
DAYS >= .10        4                4.0     0.0        1
DAYS >= .50        0                1.4    -1.4        0
DAYS >= 1.00       0                0.5    -0.5        0
GREATEST
 24 HR. TOTAL   0.37   09/02 TO 09/03

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   2023
TOTALS           0.0                 MM      MM      0.0
SINCE 7/1        0.0                 MM      MM      0.0
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                 MM      MM        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL     50                123     -73       33
 SINCE 7/1        67                138     -71       41
COOLING TOTAL    108                 90      18      168
 SINCE 1/1       946                871      75      866
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    39/330    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    52/330    DATE  09/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.22
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      7
HAZE                      4

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

$$