470
CXUS53 KABR 011412
CLMATY

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
912 AM CDT WED OCT 01 2025

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...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2025

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           88   09/29         MM      MM       88  09/15
                                                          09/28
LOWEST            37   09/07         MM      MM       40  09/22
AVG. MAXIMUM    75.3               71.6     3.7     79.7
AVG. MINIMUM    53.7               48.6     5.1     52.5
MEAN            64.5               60.1     4.4     66.1
DAYS MAX >= 90     0                0.7    -0.7        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          1.55               2.45   -0.90     0.25
DAYS >= .01        9                8.5     0.5        2
DAYS >= .10        5                4.9     0.1        1
DAYS >= .50        0                1.6    -1.6        0
DAYS >= 1.00       0                0.5    -0.5        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           1.2   1942
 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     83                193    -110       60
 SINCE 7/1       121                246    -125       MM
COOLING TOTAL     74                 46      28      100
 SINCE 1/1       580                517      63       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          05/03
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.2
RESULTANT WIND SPEED/DIRECTION   2/170
HIGHEST WIND SPEED/DIRECTION    40/310    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    60/180    DATE  09/14

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.27
NUMBER OF DAYS FAIR           21
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       3
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      4
HAZE                      1

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

$$