Climatological Report (Daily)
Issued by NWS Des Moines, IA

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CDUS43 KDMX 160657
CLIDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1256 AM CST SAT DEC 16 2017


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

...THE DES MOINES IA CLIMATE SUMMARY FOR DECEMBER 15 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1878 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         46    304 PM  59    2002  34     12       17
                                      1939
  MINIMUM         27    451 AM -18    1901  18      9        2
  AVERAGE         37                        26     11       10

PRECIPITATION (IN)
  YESTERDAY        T             0.75 1940   0.04  -0.04      T
  MONTH TO DATE    0.02                      0.77  -0.75     0.60
  SINCE DEC 1      0.02                      0.77  -0.75     0.60
  SINCE JAN 1     29.80                     35.37  -5.57    33.72

SNOWFALL (IN)
  YESTERDAY        T             6.2  1987   0.3   -0.3       T
  MONTH TO DATE    T                         4.4   -4.4      1.7
  SINCE DEC 1      T                         4.4   -4.4      1.7
  SINCE JUL 1      T                         7.3   -7.3      1.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       28                        39    -11       55
  MONTH TO DATE  456                       553    -97      584
  SINCE DEC 1    456                       553    -97      584
  SINCE JUL 1   1511                      1811   -300     1267

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1   1306                      1066    240     1448
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    12.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LT FREEZING RAIN
  SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           300 AM
 LOWEST     37           300 PM
 AVERAGE    58

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


THE DES MOINES IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        62      1939
 MINIMUM TEMPERATURE (F)   18       -15      1932


SUNRISE AND SUNSET
DECEMBER 16 2017......SUNRISE   735 AM CST   SUNSET   446 PM CST
DECEMBER 17 2017......SUNRISE   736 AM CST   SUNSET   446 PM CST


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




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