341
CXUS53 KABR 011437
CLMATY

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
937 AM CDT THU OCT 01 2026

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...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/10/1931
 LOW               9   09/29/1899
HIGHEST           93   09/03         MM      MM       88  09/29
LOWEST            44   09/16         MM      MM       37  09/07
AVG. MAXIMUM    73.8               71.6     2.2     75.3
AVG. MINIMUM    56.4               48.6     7.8     53.7
MEAN            65.1               60.1     5.0     64.5
DAYS MAX >= 90     3                0.7     2.3        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                1.1    -1.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.22   1921
 MINIMUM        0.12   1953
TOTALS          3.61               2.45    1.16     1.55
DAYS >= .01       12                8.5     3.5        9
DAYS >= .10        8                4.9     3.1        5
DAYS >= .50        2                1.6     0.4        0
DAYS >= 1.00       1                0.5     0.5        0

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
 SNOW DEPTH       MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL     86                193    -107       83
 SINCE 7/1        92                246    -154       MM
COOLING TOTAL     94                 46      48       74
 SINCE 1/1       746                517     229       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          05/07
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
RESULTANT WIND SPEED/DIRECTION   4/150
HIGHEST WIND SPEED/DIRECTION    29/170    DATE  09/07
                                29/350          09/11
                                29/150          09/14
HIGHEST GUST SPEED/DIRECTION    49/160    DATE  09/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.51
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                7     RAIN                       6
LIGHT RAIN               12     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      5
HAZE                      1

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

$$