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

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000
CXUS53 KUNR 032332
CLARAP

CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
404 PM MST THU JAN 3 2013

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE YEAR OF 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             111   07/15/2006
 LOW              -31   02/02/1996
HIGHEST           109   06/26                        103  07/31
LOWEST             -8   02/11                        -20  02/02
AVG. MAXIMUM     65.4              60.4     5.0     58.7
AVG. MINIMUM     35.3              33.9     1.4     32.7
MEAN             50.3              47.1     3.2     45.7
DAYS MAX >= 90     58                                 36
DAYS MAX <= 32     23                                 45
DAYS MIN <= 32    162                                173
DAYS MIN <= 0      12                                 27

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        27.70   1946
 MINIMUM         9.12   1974
TOTALS          11.41             16.29   -4.88    19.42
DAILY AVG.       0.03              0.04   -0.01     0.05
DAYS >= .01        74                                108
DAYS >= .10        32                                 52
DAYS >= .50         7                                  9
DAYS >= 1.00        0                                  4
GREATEST
 24 HR. TOTAL    1.49   04/15 TO 04/15            2.45  05/19 TO 5/20

SNOWFALL (INCHES)
RECORDS
 TOTAL           82.7   2009
 24 HR TOTAL     18.0   04/22/2001
 SNOW DEPTH        17   04/19/1970
TOTALS           16.7              41.1   -24.4     76.3
SINCE 7/1         9.6              13.2    -3.6     17.6
SNOWDEPTH AVG.      0                                  1
DAYS >= TRACE      40              33.1     6.9       66
DAYS >= 1.0         5              12.9    -7.9       20
GREATEST
 SNOW DEPTH         2   12/30                         13  02/26
                        12/29
                        12/28
 24 HR TOTAL      2.4   12/24 TO 12/24            9.7  02/20 TO 02/20

DEGREE_DAYS
HEATING TOTAL    6206              7152    -946     7575
 SINCE 7/1       2747              2916    -169     2682
COOLING TOTAL     937               636     301      700
 SINCE 1/1        937               636     301      700

FREEZE DATES
RECORD
 EARLIEST     MM
 LATEST       MM
EARLIEST           32   09/23
LATEST             30   05/12

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

WIND (MPH)
AVERAGE WIND SPEED              10.2
RESULTANT WIND SPEED/DIRECTION   3/344
HIGHEST WIND SPEED/DIRECTION    56/320    DATE  10/18
HIGHEST GUST SPEED/DIRECTION    78/200    DATE  05/12

SKY COVER
AVERAGE SKY COVER           0.20
NUMBER OF DAYS FAIR          274
NUMBER OF DAYS PC             65
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN               13     RAIN                      19
LIGHT RAIN               87     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       2
HEAVY SNOW                2     SNOW                       4
LIGHT SNOW               40     SLEET                      0
FOG                      74     FOG W/VIS <= 1/4 MILE     19
HAZE                     19

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

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