287
CXUS53 KFSD 011909
CLMMHE

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

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

...THE MITCHELL SD 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            106   09/05/1933
 LOW              11   09/29/1899
HIGHEST          101   09/04         MM      MM       92  09/29
LOWEST            47   09/13         MM      MM       35  09/07
AVG. MAXIMUM    77.6               76.8     0.8     79.1
AVG. MINIMUM    58.3               51.0     7.3     54.4
MEAN            67.9               63.9     4.0     66.8
DAYS MAX >= 90     5                3.4     1.6        1
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          7.38               2.34    5.04     0.79
DAILY AVG.      0.25               0.08    0.17     0.03
DAYS >= .01       14                7.2     6.8        7
DAYS >= .10       10                4.0     6.0        4
DAYS >= .50        3                1.4     1.6        0
DAYS >= 1.00       2                0.5     1.5        0
GREATEST
 24 HR. TOTAL   3.77   09/05 TO 09/05

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     44                123     -79       50
 SINCE 7/1        47                138     -91       67
COOLING TOTAL    138                 90      48      108
 SINCE 1/1      1120                871     249      946
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    33/320    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    46/320    DATE  09/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.52
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       8
LIGHT RAIN               21     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      22     FOG W/VIS <= 1/4 MILE      2
HAZE                      0

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

$$