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

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CXUS53 KUNR 011602
CLMRAP


CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
902 AM MST THU JAN 1 2015

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2014

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   12/04/1965
 LOW              -30   12/30/1990
HIGHEST            71   12/12                         60  12/18
                        12/11
LOWEST            -15   12/30                        -15  12/23
                                                          12/09
AVG. MAXIMUM     40.8              36.9     3.9     30.8
AVG. MINIMUM     15.7              13.0     2.7      6.7
MEAN             28.3              24.9     3.4     18.8
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32     10                                 16
DAYS MIN <= 32     31                                 31
DAYS MIN <= 0       4                                 12

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.65   1975
 MINIMUM            T   2001
TOTALS           0.42              0.42    0.00     0.56
DAILY AVG.       0.01              0.01    0.00     0.02
DAYS >= .01         6                                  8
DAYS >= .10         1                                  2
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.14   12/25 TO 12/25              0.30

SNOWFALL (INCHES)
RECORDS
 TOTAL           17.9   1975
TOTALS            9.1               5.4     3.7      8.6
SINCE 7/1        24.6              13.2    11.4     33.4
SNOWDEPTH AVG.      1                 2      -1        1
DAYS >= 1.0         5               2.2     2.8        2
GREATEST
 SNOW DEPTH         4   12/31                          5  12/20
                        12/30
                        12/29
 24 HR TOTAL      3.1   MM                           5.5

DEGREE_DAYS
HEATING TOTAL    1130              1241    -111     1423
 SINCE 7/1       2938              2916      22     3143
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        424               636    -212      724
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.0
HIGHEST WIND SPEED/DIRECTION    51/330    DATE  12/22
HIGHEST GUST SPEED/DIRECTION    61/330    DATE  12/22

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW                7     SLEET                      0
FOG                       8     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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