National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

560
CXUS53 KFSD 011456
CLMMHE

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
956 AM CDT WED NOV 1 2017

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

...THE MITCHELL SD CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              96   10/02/1997
                        10/03/1938
                        10/04/1922
 LOW               -8   10/29/1925
HIGHEST            82   10/01        MM      MM       82  10/28
LOWEST             14   10/28        MM      MM       31  10/24
                                                          10/13
AVG. MAXIMUM     63.0              61.9     1.1     64.9
AVG. MINIMUM     38.2              37.4     0.8     41.3
MEAN             50.6              49.7     0.9     53.1
DAYS MAX >= 90      0               0.2    -0.2        0
DAYS MAX <= 32      0               0.2    -0.2        0
DAYS MIN <= 32      7               8.6    -1.6        3
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM           MM   MM
 MINIMUM           MM   MM
TOTALS           3.07              1.62    1.45     1.95
DAILY AVG.       0.10              0.05    0.05     0.06
DAYS >= .01         6                MM      MM        6
DAYS >= .10         4                MM      MM        2
DAYS >= .50         1                MM      MM        2
DAYS >= 1.00        1                MM      MM        1
GREATEST
 24 HR. TOTAL    2.22   10/01 TO 10/01

SNOWFALL (INCHES)
RECORDS
 TOTAL             MM   MM
TOTALS            0.0                MM      MM        T
SINCE 7/1         0.0                MM      MM        T
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0                MM      MM        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL     444               483     -39      367
 SINCE 7/1        540               641    -101      451
COOLING TOTAL       7                 7       0        5
 SINCE 1/1        890               824      66     1036
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.7
HIGHEST WIND SPEED/DIRECTION    44/320    DATE  10/26
HIGHEST GUST SPEED/DIRECTION    54/320    DATE  10/26

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.30
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       2
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      2
HAZE                      1

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

$$