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

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CDUS43 KDMX 152332
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
530 PM CST FRI DEC 15 2017


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

...THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 15 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         41    302 PM  54    1923  30     11       10
                                      1910
  MINIMUM         21    514 AM -21    1917  13      8       -6
  AVERAGE         31                        22      9        2

PRECIPITATION (IN)
  TODAY            T             0.74 2014   0.04  -0.04      T
  MONTH TO DATE    0.04                      0.68  -0.64     0.80
  SINCE DEC 1      0.04                      0.68  -0.64     0.80
  SINCE JAN 1     29.50                     34.08  -4.58    40.77

SNOWFALL (IN)
  TODAY           MM             4.5  2010   0.3   MM         T
                                      1925
  MONTH TO DATE    T                         4.9   -4.9      6.5
  SINCE DEC 1      T                         4.9   -4.9      6.5
  SINCE JUL 1      T                         8.3   -8.3      6.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           34                        43     -9       63
  MONTH TO DATE  533                       607    -74      664
  SINCE DEC 1    533                       607    -74      664
  SINCE JUL 1   1924                      2090   -166     1653

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    720                       799    -79      869
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           500 AM
 LOWEST     51           300 PM
 AVERAGE    66

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


THE WATERLOO IA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   30        63      1939
 MINIMUM TEMPERATURE (F)   13       -20      1932


SUNRISE AND SUNSET
DECEMBER 15 2017......SUNRISE   733 AM CST   SUNSET   437 PM CST
DECEMBER 16 2017......SUNRISE   733 AM CST   SUNSET   438 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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