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Climatological Report (Annual)
Issued by NWS Aberdeen, SD

000
CXUS53 KABR 011349
CLAABR

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
717 AM CST FRI JAN 01 2021

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

...THE ABERDEEN SD CLIMATE SUMMARY FOR THE YEAR OF 2020...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2020

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            115   07/09/1936
                       07/06/1936
 LOW             -46   01/12/1912
HIGHEST           98   06/01         MM      MM       96  07/15
LOWEST           -24   01/16         MM      MM      -37  01/30
AVG. MAXIMUM    58.0               54.6     3.4     51.2
AVG. MINIMUM    33.6               31.5     2.1     30.4
MEAN            45.8               43.0     2.8     40.8
DAYS MAX >= 90    27               13.0    14.0       11
DAYS MAX <= 32    66               76.4   -10.4      101
DAYS MIN <= 32   188              178.8     9.2      186
DAYS MIN <= 0     22               37.1   -15.1       55

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       42.11   1896
 MINIMUM        7.88   1976
TOTALS         15.20              21.72   -6.52    30.35
DAILY AVG.      0.04
DAYS >= .01       79               94.4   -15.4      123
DAYS >= .10       35               45.3   -10.3       71
DAYS >= .50       10               12.9    -2.9       18
DAYS >= 1.00       2                4.0    -2.0        6

SNOWFALL (INCHES)
RECORDS
 TOTAL         110.8   1936
TOTALS          29.0               38.1    -9.1     97.3
 LIQUID EQUIV   2.90                 MM      MM     9.73
SINCE 7/1       18.2               14.6     3.6       MM
 LIQUID 7/1     1.82                 MM      MM       MM
DAYS >= TRACE     61               32.3    28.7       80
DAYS >= 1.0        9               11.3    -2.3       25
GREATEST
 SNOW DEPTH       15   01/01                          25  03/10

DEGREE DAYS
HEATING TOTAL   7789               8534    -745     9261
 SINCE 7/1      2967               3493    -526       MM
COOLING TOTAL    871                525     346      601
 SINCE 1/1       871                525     346      601

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        09/09
LATEST                          05/12
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
HIGHEST WIND SPEED/DIRECTION    52/050    DATE  06/04
HIGHEST GUST SPEED/DIRECTION    80/320    DATE  06/04


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             32     MIXED PRECIP               0
HEAVY RAIN               18     RAIN                      20
LIGHT RAIN               71     FREEZING RAIN              0
LT FREEZING RAIN          8     HAIL                       2
HEAVY SNOW                6     SNOW                       9
LIGHT SNOW               50     SLEET                      0
FOG                     137     FOG W/VIS <= 1/4 MILE     24
HAZE                    114

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

$$