757
CXUS53 KABR 011822
CLMATY

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
1222 PM CST THU JAN 01 2026

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

...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 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             69   12/06/1939
 LOW             -37   12/18/2016
HIGHEST           49   12/27         MM      MM       48  12/28
                                                          12/29
LOWEST           -16   12/04         MM      MM       -6  12/12
AVG. MAXIMUM    29.8               26.3     3.5     29.8
AVG. MINIMUM     7.7                9.3    -1.6     13.5
MEAN            18.8               17.8     1.0     21.6
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32    16               20.4    -4.4       19
DAYS MIN <= 32    31               30.9     0.1       31
DAYS MIN <= 0     11                8.1     2.9        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.36   1955
 MINIMUM           T   1986
TOTALS          0.56               0.68   -0.12     0.32
DAYS >= .01       10                6.3     3.7        7
DAYS >= .10        2                2.2    -0.2        0
DAYS >= .50        0                0.2    -0.2        0
DAYS >= 1.00       0                0.0     0.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL          29.0   2010
 SNOW DEPTH       20   12/31/2010
TOTALS           6.5                8.9    -2.4      5.3
SINCE 7/1       15.8               14.8     1.0       MM
SNOWDEPTH AVG.     4                                   1
DAYS >= TRACE     14                6.0     8.0       15
DAYS >= 1.0        2                3.3    -1.3        3
GREATEST
 SNOW DEPTH       10   12/08                           3  12/02
                       12/09
                                                          12/03

DEGREE DAYS
HEATING TOTAL   1426               1463     -37     1339
 SINCE 7/1      2871               3342    -471       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       608                520      88       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/21
LATEST                          05/03
................................................................

WIND (MPH)
AVERAGE WIND SPEED              12.0
RESULTANT WIND SPEED/DIRECTION   3/270
HIGHEST WIND SPEED/DIRECTION    45/320    DATE  12/18
HIGHEST GUST SPEED/DIRECTION    63/330    DATE  12/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.46
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     79

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW               12     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      2
HAZE                      3

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

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