Climatological Report (Monthly)
Issued by NWS Sioux Falls, SD

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279
CXUS53 KFSD 011800
CLMFSD

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1256 PM CDT TUE JUN 01 2021

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

...THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF MAY 2021...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1893 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            104   05/30/1934
 LOW              17   05/04/1967
HIGHEST           93   05/01         MM      MM       86  05/01
LOWEST            29   05/11         MM      MM       34  05/08
                                                          05/10
AVG. MAXIMUM    70.0               70.8    -0.8     67.4
AVG. MINIMUM    48.4               47.5     0.9     48.5
MEAN            59.2               59.1     0.1     57.9
DAYS MAX >= 90     1                0.5     0.5        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     3                1.4     1.6        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        9.42   1898
 MINIMUM        0.10   1934
TOTALS          2.04               3.86   -1.82     2.17
DAILY AVG.      0.07               0.12   -0.05     0.07
DAYS >= .01        9               12.1    -3.1       11
DAYS >= .10        4                7.1    -3.1        6
DAYS >= .50        2                2.8    -0.8        1
DAYS >= 1.00       0                0.8    -0.8        0
GREATEST
 24 HR. TOTAL   0.71   05/27 TO 05/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           3.0   1944
TOTALS             T                0.1    -0.1      0.0
SINCE 7/1       40.0               45.3    -5.3       MM
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.1    -0.1        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL       T   05/08 TO 05/08

DEGREE DAYS
HEATING TOTAL    230                227       3      232
 SINCE 7/1      6813               7215    -402       MM
COOLING TOTAL     57                 45      12       20
 SINCE 1/1        63                 51      12       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    33/360    DATE  05/03
HIGHEST GUST SPEED/DIRECTION    49/360    DATE  05/03

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     60

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       2
LIGHT RAIN               17     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      1
FOG                      11     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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