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

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713
CXUS53 KFSD 011957
CLMHON

CLIMATE REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
257 PM CDT MON MAY 1 2017

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

...THE HURON SD CLIMATE SUMMARY FOR THE MONTH OF APRIL 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1881 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              97   04/21/1980
 LOW               -2   04/03/1975
HIGHEST            79   04/08        MM      MM       81  04/14
LOWEST             21   04/11        MM      MM       20  04/09
                                                          04/04
AVG. MAXIMUM     59.5              59.0     0.5     59.4
AVG. MINIMUM     33.6              34.0    -0.4     34.9
MEAN             46.6              46.5     0.1     47.1
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.5    -0.5        0
DAYS MIN <= 32     15              12.9     2.1       12
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         6.64   2001
 MINIMUM         0.03   1934
TOTALS           1.18              2.31   -1.13     4.14
DAILY AVG.       0.04              0.08   -0.04     0.14
DAYS >= .01         6               8.7    -2.7       10
DAYS >= .10         3               4.8    -1.8        6
DAYS >= .50         1               1.5    -0.5        3
DAYS >= 1.00        0               0.5    -0.5        1
GREATEST
 24 HR. TOTAL    0.52   04/09

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.9   1935
TOTALS              T               4.0    -4.0        T
SINCE 7/1        35.9              43.9    -8.0     33.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               1.3    -1.3        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL        T   04/10, 04/26

DEGREE_DAYS
HEATING TOTAL     543               559     -16      529
 SINCE 7/1       6639              7378    -739     6352
COOLING TOTAL       0                 4      -4        1
 SINCE 1/1          0                 4      -4        1
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.7
HIGHEST WIND SPEED/DIRECTION    41/040    DATE  04/10
HIGHEST GUST SPEED/DIRECTION    52/030    DATE  04/10

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             10
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       5
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      5
HAZE                      0

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

$$

TRM



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