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

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000
CXUS53 KUNR 011603
CLMRAP


CLIMATE REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1002 AM MDT SUN OCT 1 2017

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

...THE RAPID CITY AIRPORT SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1942 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/06/1978
                        09/04/1960
                        09/02/1960
 LOW               18   09/24/1985
                        09/26/1942
HIGHEST            97   09/03                         90  09/11
LOWEST             33   09/17                         36  09/14
                                                          09/10
AVG. MAXIMUM     75.6              75.6     0.0     75.9
AVG. MINIMUM     46.7              46.0     0.7     47.1
MEAN             61.1              60.8     0.3     61.5
DAYS MAX >= 90      5                                  1
DAYS MAX <= 32      0                                  0
DAYS MIN <= 32      0                                  0
DAYS MIN <= 0       0                                  0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.94   1946
 MINIMUM         0.03   1975
                        1958
TOTALS           1.14              1.29   -0.15     0.84
DAILY AVG.       0.04              0.04    0.00     0.03
DAYS >= .01        10                                 10
DAYS >= .10         3                                  2
DAYS >= .50         0                                  0
DAYS >= 1.00        0                                  0
GREATEST
 24 HR. TOTAL    0.35   09/12 TO 09/12              0.41

SNOWFALL (INCHES)
RECORDS
 TOTAL            4.8   1927
TOTALS            0.0               0.2    -0.2      0.0
SINCE 7/1         0.0               0.2    -0.2      0.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL      0.0   09/30 TO 09/30               0.0

DEGREE_DAYS
HEATING TOTAL     195               187       8      129
 SINCE 7/1        202               224     -22      161
COOLING TOTAL      85                61      24       30
 SINCE 1/1        709               633      76      646
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.1
HIGHEST WIND SPEED/DIRECTION    35/350    DATE  09/22
HIGHEST GUST SPEED/DIRECTION    56/270    DATE  09/12

AVERAGE RH (PERCENT)     55

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      1
HAZE                      9

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

$$




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