Climatological Report (Monthly)
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CXUS53 KABR 011330
CLMATY


CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
823 AM CDT SUN OCT 1 2017

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

...THE WATERTOWN SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1898 TO 2017

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            90   09/13                         82  09/04
LOWEST             39   09/29        MM      MM       36  09/28
AVG. MAXIMUM     72.5              70.6     1.9     71.7
AVG. MINIMUM     51.4              47.4     4.0     52.4
MEAN             62.0              59.0     3.0     62.0
DAYS MAX >= 90      1               0.5     0.5        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               1.3    -1.3        0
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.22   1921
 MINIMUM         0.12   1953
TOTALS           5.40              2.64    2.76     2.06
DAYS >= .01        11               8.3     2.7       12
DAYS >= .10         5               5.0     0.0        9
DAYS >= .50         3               1.9     1.1        1
DAYS >= 1.00        2               0.5     1.5        0

SNOWFALL (INCHES)
RECORDS
 TOTAL            1.2   1942


 SNOW DEPTH        MM   MM
TOTALS            0.0                 T     0.0      0.0
SINCE 7/1         0.0                 T     0.0      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       0               0.0     0.0        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM

DEGREE_DAYS
HEATING TOTAL     151               219     -68      118
 SINCE 7/1        179               276     -97      144
COOLING TOTAL      65                39      26       36
 SINCE 1/1        440               513     -73      721

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

WIND (MPH)
AVERAGE WIND SPEED              10.2
RESULTANT WIND SPEED/DIRECTION   3/176
HIGHEST WIND SPEED/DIRECTION    31/200    DATE  09/10
HIGHEST GUST SPEED/DIRECTION    45/290    DATE  09/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              2
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     77

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       9
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      2
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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