652
CXUS53 KFSD 011935
CLMFSD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
235 PM CDT TUE SEP 01 2026

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

...THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF AUGUST 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            109   08/24/1936
 LOW              34   08/20/1950
                       08/29/1893
HIGHEST           98   08/30         MM      MM       89  08/19
LOWEST            49   08/05         MM      MM       44  08/25
                                                          08/26
AVG. MAXIMUM    85.3               82.8     2.5     80.9
AVG. MINIMUM    61.8               61.1     0.7     61.3
MEAN            73.6               72.0     1.6     71.1
DAYS MAX >= 90     7                3.5     3.5        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.33   1932
 MINIMUM        0.36   1907
TOTALS          1.21               3.34   -2.13     2.81
DAILY AVG.      0.04               0.11   -0.07     0.09
DAYS >= .01        9                9.4    -0.4        9
DAYS >= .10        3                5.4    -2.4        5
DAYS >= .50        1                2.5    -1.5        2
DAYS >= 1.00       0                1.1    -1.1        1
GREATEST
 24 HR. TOTAL   0.76   08/12 TO 08/13

DEGREE DAYS
HEATING TOTAL      1                 12     -11       18
 SINCE 7/1         1                 13     -12       22
COOLING TOTAL    274                227      47      215
 SINCE 1/1       901                750     151      758
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.5
HIGHEST WIND SPEED/DIRECTION    29/170    DATE  08/03
HIGHEST GUST SPEED/DIRECTION    41/170    DATE  08/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.45
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC             17
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      10     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

$$