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

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337
CXUS53 KFSD 022109
CLMMHE

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
409 PM CDT TUE SEP 02 2025

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

...THE MITCHELL SD CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            115   08/04/1934
 LOW              34   08/28/1911
HIGHEST           92   08/21         MM      MM       97  08/02
LOWEST            43   08/25         MM      MM       47  08/09
                                                          08/10
AVG. MAXIMUM    83.0               83.9    -0.9     82.5
AVG. MINIMUM    62.1               60.5     1.6     60.5
MEAN            72.6               72.2     0.4     71.5
DAYS MAX >= 90     4                6.0    -2.0        4
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        8.49   1944
 MINIMUM        0.12   1907
TOTALS          2.91               3.14   -0.23     1.90
DAILY AVG.      0.09               0.10   -0.01     0.06
DAYS >= .01        9                8.7     0.3       11
DAYS >= .10        7                4.5     2.5        3
DAYS >= .50        2                1.9     0.1        2
DAYS >= 1.00       0                0.9    -0.9        0
GREATEST
 24 HR. TOTAL   0.92   08/06 TO 08/06

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
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     12                 11       1        8
 SINCE 7/1        17                 11       6        8
COOLING TOTAL    253                234      19      218
 SINCE 1/1       838                781      57      698
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    43/290    DATE  08/16
HIGHEST GUST SPEED/DIRECTION    59/290    DATE  08/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.21
NUMBER OF DAYS FAIR           24
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       6
LIGHT RAIN               13     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                      4

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

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