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

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
000
CXUS53 KUNR 011617
CLMRAP


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

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

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

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2016

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            49   12/04                         69  12/09
LOWEST            -23   12/17                         -5  12/30
AVG. MAXIMUM     27.8              36.9    -9.1     37.0
AVG. MINIMUM      5.3              13.0    -7.7     15.4
MEAN             16.6              24.9    -8.3     26.2
DAYS MAX >= 90      0                                  0
DAYS MAX <= 32     17                                 12
DAYS MIN <= 32     31                                 31
DAYS MIN <= 0      10                                  4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         1.65   1975
 MINIMUM            T   2001
TOTALS           0.77              0.42    0.35     0.63
DAILY AVG.       0.02              0.01    0.01     0.02
DAYS >= .01         6                                  5
DAYS >= .10         2                                  3
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.35   12/25 TO 12/25              0.25

SNOWFALL (INCHES)
RECORDS
 TOTAL           17.9   1975
TOTALS           11.3               5.4     5.9     12.5
SINCE 7/1        14.1              13.2     0.9     19.1
SNOWDEPTH AVG.      2                 2       0        1
DAYS >= 1.0         3               2.2     0.8        4
GREATEST
 SNOW DEPTH         6   12/29                          5  12/16
                        12/28
                        12/27
 24 HR TOTAL      5.0   12/25 TO 12/25               4.3

DEGREE_DAYS
HEATING TOTAL    1494              1241     253     1197
 SINCE 7/1       2717              2916    -199     2642
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        646               636      10      577
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.7
HIGHEST WIND SPEED/DIRECTION    48/330    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    58/320    DATE  12/25

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                0     FREEZING RAIN              1
LT FREEZING RAIN          1     HAIL                       0
HEAVY SNOW                1     SNOW                       1
LIGHT SNOW                9     SLEET                      0
FOG                       7     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.