Climatological Report (Monthly)
Issued by NWS

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CXUS53 KABR 081404 CCA
CLMATY

CLIMATE REPORT...CORRECTED
NATIONAL WEATHER SERVICE ABERDEEN SD
904 AM CDT TUE MAY 8 2018

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

...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF APRIL 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              95   04/21/1980
 LOW              -10   04/05/1926
HIGHEST            80   04/30        MM      MM       75  04/08
LOWEST             -3   04/04        MM      MM       21  04/29
                                                          04/28
AVG. MAXIMUM     44.0              55.6   -11.6     55.4
AVG. MINIMUM     23.6              32.1    -8.5     32.1
MEAN             33.8              43.8   -10.0     43.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      9               1.0     8.0        1
DAYS MIN <= 32     25              15.8     9.2       16
DAYS MIN <= 0       1               0.0     1.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.48   2001
 MINIMUM         0.17   1934
TOTALS           0.97              2.02   -1.05     1.74
DAYS >= .01         8               8.5    -0.5        9
DAYS >= .10         6               4.6     1.4        5
DAYS >= .50         0               1.3    -1.3        1
DAYS >= 1.00        0               0.3    -0.3        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           29.5   MM
 SNOW DEPTH        MM   MM
TOTALS           17.5               3.3    14.2      0.0
SINCE 7/1        53.1              35.9    17.2     39.1
SNOWDEPTH AVG.      1                MM      MM        0
DAYS >= TRACE      10               1.8     8.2        0
DAYS >= 1.0         5               0.9     4.1        0
GREATEST
 SNOW DEPTH         7   04/09                          0  MM

DEGREE_DAYS
HEATING TOTAL     926               636     290      630
 SINCE 7/1       8447              8151     296     7308
COOLING TOTAL       0                 2      -2        0
 SINCE 1/1          0                 2      -2        0

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          MM
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.6
RESULTANT WIND SPEED/DIRECTION   2/040
HIGHEST WIND SPEED/DIRECTION    37/190    DATE  04/30
HIGHEST GUST SPEED/DIRECTION    51/200    DATE  04/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     74


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

$$


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