688
CXUS53 KABR 011321
CLMATY

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
721 AM CST MON JAN 01 2024

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

...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1898 TO 2023

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           61   12/07         24      37       39  12/04
LOWEST             9   12/01         MM      MM      -20  12/22
AVG. MAXIMUM    38.7               26.3    12.4     20.7
AVG. MINIMUM    21.3                9.3    12.0      4.9
MEAN            30.0               17.8    12.2     12.8
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     8               20.4   -12.4       22
DAYS MIN <= 32    30               30.9    -0.9       31
DAYS MIN <= 0      0                8.1    -8.1       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.36   1955
 MINIMUM           T   1986
TOTALS          1.38               0.68    0.70     1.34
DAYS >= .01        7                6.3     0.7       11
DAYS >= .10        4                2.2     1.8        4
DAYS >= .50        1                0.2     0.8        0
DAYS >= 1.00       0                0.0     0.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL          29.0   2010
 SNOW DEPTH       20   12/31/2010
TOTALS           1.6                8.9    -7.3     12.4
SINCE 7/1        3.1               14.8   -11.7       MM
SNOWDEPTH AVG.     0                                   5
DAYS >= TRACE      9                6.0     3.0       14
DAYS >= 1.0        0                3.3    -3.3        4
GREATEST
 SNOW DEPTH        1   12/28                          12  12/26
                       12/29
                                                          12/27
                                                          12/28

DEGREE DAYS
HEATING TOTAL   1078               1463    -385     1610
 SINCE 7/1      2673               3342    -669       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       808                520     288       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/07
LATEST                          05/03
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   2/280
HIGHEST WIND SPEED/DIRECTION    37/330    DATE  12/09
HIGHEST GUST SPEED/DIRECTION    54/340    DATE  12/09

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.48
NUMBER OF DAYS FAIR           15
NUMBER OF DAYS PC              4
NUMBER OF DAYS CLOUDY         12

AVERAGE RH (PERCENT)     81

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                9     SLEET                      0
FOG                      21     FOG W/VIS <= 1/4 MILE      8
HAZE                      0

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

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