152
CXUS53 KFSD 011906
CLMFSD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
206 PM CDT THU OCT 01 2026

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

...THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/06/1976
                       09/06/1922
                       09/06/1913
 LOW              13   09/29/1899
HIGHEST           99   09/04         MM      MM       92  09/16
                                                          09/29
LOWEST            46   09/16         MM      MM       35  09/07
AVG. MAXIMUM    75.9               75.6     0.3     80.0
AVG. MINIMUM    59.1               51.9     7.2     53.8
MEAN            67.5               63.8     3.7     66.9
DAYS MAX >= 90     5                1.3     3.7        3
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.8    -0.8        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.26   1986
 MINIMUM        0.04   2024
TOTALS          5.79               2.73    3.06     0.22
DAILY AVG.      0.19               0.09    0.10     0.01
DAYS >= .01       18                8.1     9.9        6
DAYS >= .10       11                4.6     6.4        0
DAYS >= .50        6                1.7     4.3        0
DAYS >= 1.00       0                0.6    -0.6        0
GREATEST
 24 HR. TOTAL   1.25   09/17 TO 09/18

DEGREE DAYS
HEATING TOTAL     56                126     -70       54
 SINCE 7/1        57                143     -86       76
COOLING TOTAL    138                 89      49      120
 SINCE 1/1      1039                839     200      878
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    39/140    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    52/130    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.72
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY         17

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       9
LIGHT RAIN               22     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      20     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.

$$