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

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CDUS43 KDMX 172328
CLIDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
527 PM CST SUN DEC 17 2017


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

...THE DES MOINES IA CLIMATE SUMMARY FOR DECEMBER 17 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         39    145 PM  64    1939  33      6       22
  MINIMUM         31    751 AM  -9    1964  17     14       -4
  AVERAGE         35                        25     10        9

PRECIPITATION (IN)
  TODAY            0.02          0.44 1895   0.05  -0.03     0.07
  MONTH TO DATE    0.04                      0.86  -0.82     0.68
  SINCE DEC 1      0.04                      0.86  -0.82     0.68
  SINCE JAN 1     29.82                     35.46  -5.64    33.80

SNOWFALL (IN)
  TODAY           MM             2.8  1951   0.3   MM        1.7
  MONTH TO DATE    T                         5.0   -5.0      3.4
  SINCE DEC 1      T                         5.0   -5.0      3.4
  SINCE JUL 1      T                         7.9   -7.9      3.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           30                        40    -10       56
  MONTH TO DATE  506                       633   -127      685
  SINCE DEC 1    506                       633   -127      685
  SINCE JUL 1   1561                      1891   -330     1368

 COOLING
  TODAY            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     9   HIGHEST WIND DIRECTION    NE (50)
  HIGHEST GUST SPEED    11   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     4.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82          1200 PM
 LOWEST     69           100 AM
 AVERAGE    76

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


THE DES MOINES IA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        64      1976
 MINIMUM TEMPERATURE (F)   17       -16      1985
                                             1983


SUNRISE AND SUNSET
DECEMBER 17 2017......SUNRISE   736 AM CST   SUNSET   446 PM CST
DECEMBER 18 2017......SUNRISE   736 AM CST   SUNSET   447 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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