Climatological Report (Monthly)
Issued by NWS Sioux Falls, SD

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CXUS53 KFSD 012050 RRA
CLMSUX

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
350 PM CDT SUN OCT 01 2023

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

...THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1889 TO 2023

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          102   09/02         MM      MM       97  09/20
LOWEST            43   09/07         MM      MM       37  09/28
AVG. MAXIMUM    82.4               76.6     5.8     82.0
AVG. MINIMUM    55.2               51.2     4.0     51.6
MEAN            68.8               63.9     4.9     66.8
DAYS MAX >= 90     6                2.3     3.7        5
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          4.49               2.84    1.65     0.76
DAILY AVG.      0.15               0.09    0.06     0.03
DAYS >= .01        9                8.0     1.0        5
DAYS >= .10        6                4.6     1.4        3
DAYS >= .50        3                1.8     1.2        0
DAYS >= 1.00       1                0.8     0.2        0
GREATEST
 24 HR. TOTAL   1.95   09/21 TO 09/22

DEGREE DAYS
HEATING TOTAL     26                121     -95       64
 SINCE 7/1        34                137    -103       MM
COOLING TOTAL    146                 88      58      126
 SINCE 1/1      1100                856     244       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
HIGHEST WIND SPEED/DIRECTION    35/080    DATE  09/23
HIGHEST GUST SPEED/DIRECTION    42/080    DATE  09/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.27
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          1

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             11     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       5
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      3
HAZE                      7

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

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