Climatological Report (Monthly)
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CXUS53 KABR 011321
CLMPIR

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

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

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

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             76   12/03/1941
 LOW             -31   12/30/1990
HIGHEST           67   12/07         32      35       50  12/04
LOWEST             8   12/31         MM      MM      -17  12/21
                                                          12/22
AVG. MAXIMUM    42.3               32.4     9.9     25.3
AVG. MINIMUM    20.6               13.2     7.4      6.7
MEAN            31.5               22.8     8.7     16.0
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     2               14.2   -12.2       18
DAYS MIN <= 32    31               30.6     0.4       31
DAYS MIN <= 0      0                4.6    -4.6       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        2.91   1951
 MINIMUM           T   2001
TOTALS          1.23               0.64    0.59     1.91
DAYS >= .01        5                5.6    -0.6        8
DAYS >= .10        3                1.9     1.1        5
DAYS >= .50        1                0.1     0.9        2
DAYS >= 1.00       0                0.0     0.0        0

SNOWFALL (INCHES)
RECORDS
 TOTAL          31.3   1951
 SNOW DEPTH       27   12/27/1950
                       12/05/2005
TOTALS           7.5                6.2     1.3     19.1
SINCE 7/1       10.9               13.8    -2.9       MM
SNOWDEPTH AVG.     1                                   7
DAYS >= TRACE      7                5.2     1.8       15
DAYS >= 1.0        2                2.4    -0.4        5
GREATEST
 SNOW DEPTH        7   12/26                          17  12/17
                       12/27

DEGREE DAYS
HEATING TOTAL   1031               1308    -277     1511
 SINCE 7/1      2449               2910    -461       MM
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       988                836     152       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        10/07
LATEST                          05/02
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.8
RESULTANT WIND SPEED/DIRECTION   5/320
HIGHEST WIND SPEED/DIRECTION    41/300    DATE  12/08
HIGHEST GUST SPEED/DIRECTION    61/300    DATE  12/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.35
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              8
NUMBER OF DAYS CLOUDY          4

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                3     FREEZING RAIN              1
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                1     SNOW                       2
LIGHT SNOW                7     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      6
HAZE                      1

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

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