466
CXUS53 KABR 011412
CLMPIR

CLIMATE REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
912 AM CDT WED OCT 01 2025

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

...THE PIERRE SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            108   09/02/1983
 LOW              21   09/22/1995
                       09/28/1951
HIGHEST           90   09/12         MM      MM       98  09/29
                       09/29
LOWEST            36   09/06         MM      MM       45  09/06
                                                          09/07
                                                          09/25
AVG. MAXIMUM    77.9               77.5     0.4     86.1
AVG. MINIMUM    54.5               49.7     4.8     55.5
MEAN            66.2               63.6     2.6     70.8
DAYS MAX >= 90     1                5.2    -4.2       11
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.6    -0.6        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.95   1996
 MINIMUM           T   2012
TOTALS          4.76               1.74    3.02     1.13
DAYS >= .01        5                6.4    -1.4        4
DAYS >= .10        3                3.3    -0.3        1
DAYS >= .50        3                1.0     2.0        1
DAYS >= 1.00       2                0.3     1.7        1

SNOWFALL (INCHES)
RECORDS
 TOTAL           0.2   1934
 SNOW DEPTH        T   09/25/1934
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM

DEGREE DAYS
HEATING TOTAL     59                134     -75       17
 SINCE 7/1        73                156     -83       MM
COOLING TOTAL     98                 91       7      196
 SINCE 1/1       938                830     108       MM

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST                        MM
LATEST                          04/29
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.8
RESULTANT WIND SPEED/DIRECTION   1/080
HIGHEST WIND SPEED/DIRECTION    43/330    DATE  09/04
HIGHEST GUST SPEED/DIRECTION    56/330    DATE  09/04

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.25
NUMBER OF DAYS FAIR           19
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       3
LIGHT RAIN                6     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$