602
CXUS53 KFSD 011907
CLMSUX

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

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

...THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            103   09/02/2000
 LOW              24   09/29/1945
HIGHEST           96   09/18         MM      MM       93  09/13
LOWEST            50   09/10         MM      MM       36  09/07
AVG. MAXIMUM    76.5               76.6    -0.1     79.7
AVG. MINIMUM    61.3               51.2    10.1     53.2
MEAN            68.9               63.9     5.0     66.4
DAYS MAX >= 90     6                2.3     3.7        2
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        9.69   1965
 MINIMUM        0.07   1950
TOTALS          3.49               2.84    0.65     2.05
DAILY AVG.      0.12               0.09    0.03     0.07
DAYS >= .01       20                8.0    12.0        5
DAYS >= .10       11                4.6     6.4        4
DAYS >= .50        1                1.8    -0.8        1
DAYS >= 1.00       0                0.8    -0.8        1
GREATEST
 24 HR. TOTAL   0.61   09/24 TO 09/24

DEGREE DAYS
HEATING TOTAL     34                121     -87       55
 SINCE 7/1        34                137    -103       70
COOLING TOTAL    157                 88      69      106
 SINCE 1/1      1148                856     292      970
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    30/190    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    41/190    DATE  09/11

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.58
NUMBER OF DAYS FAIR           11
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       7
LIGHT RAIN               23     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      3
HAZE                      0

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

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