Climatological Report (Monthly)
Issued by NWS Rapid City, SD

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CXUS53 KUNR 011617
CLMUNR


CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
915 AM MST SUN JAN 1 2017

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

...THE EAST RAPID CITY SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1888 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              79   12/05/1939
 LOW              -28   12/20/1916
HIGHEST            54   12/30                         66  12/09
LOWEST            -15   12/17                          1  12/29
AVG. MAXIMUM     29.0              36.6    -7.6     37.9
AVG. MINIMUM     10.6              18.1    -7.5     20.6
MEAN             19.8              27.3    -7.5     29.3
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32     15                                 12
DAYS MIN <= 32     31                                 26
DAYS MIN <= 0       7                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.00   1909
 MINIMUM         0.01   1896
TOTALS           0.82              0.32    0.50     0.73
DAILY AVG.       0.03              0.01    0.02     0.02
DAYS >= .01         4                                  5
DAYS >= .10         2                                  3
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.41   12/25 TO 12/25              0.27

SNOWFALL (INCHES)
RECORDS
 TOTAL           15.5   2015
TOTALS           12.1               5.2     6.9     15.5
SINCE 7/1        15.8              13.8     2.0     21.5
SNOWDEPTH AVG.      2                 2       0        2
DAYS >= 1.0         2               1.8     0.2        4
GREATEST
 SNOW DEPTH         5   12/29                          5  12/16
                        12/28                             12/01
                        12/27
 24 HR TOTAL      5.7   MM                           5.5

DEGREE_DAYS
HEATING TOTAL    1393              1167     226     1102
 SINCE 7/1       2424              2747    -323     2360
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        813               665     148      716
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    37/290    DATE  12/28
HIGHEST GUST SPEED/DIRECTION    56/300    DATE  12/28

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                7     SLEET                      1
FOG                       2     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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