858
CXUS53 KFSD 011908
CLMHON

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

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

...THE HURON CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1881 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            106   09/06/1970
                       09/09/1904
 LOW              18   09/29/1899
                       09/27/1893
HIGHEST           97   09/03         MM      MM       93  09/29
LOWEST            47   09/13         MM      MM       37  09/07
AVG. MAXIMUM    76.6               75.7     0.9     79.0
AVG. MINIMUM    57.6               49.5     8.1     54.5
MEAN            67.1               62.6     4.5     66.7
DAYS MAX >= 90     4                2.3     1.7        1
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        6.75   1901
 MINIMUM           T   1998
TOTALS          4.73               2.43    2.30     1.30
DAILY AVG.      0.16               0.08    0.08     0.04
DAYS >= .01       15                6.8     8.2        6
DAYS >= .10        7                4.4     2.6        4
DAYS >= .50        3                1.7     1.3        1
DAYS >= 1.00       1                0.7     0.3        0
GREATEST
 24 HR. TOTAL   2.06   09/17 TO 09/18

DEGREE DAYS
HEATING TOTAL     43                150    -107       59
 SINCE 7/1        46                175    -129       84
COOLING TOTAL    112                 77      35      116
 SINCE 1/1       990                747     243      903
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    30/340    DATE  09/11
HIGHEST GUST SPEED/DIRECTION    43/160    DATE  09/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.47
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              5     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      17     FOG W/VIS <= 1/4 MILE      1
HAZE                      1

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

$$