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

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CDUS43 KDMX 120637
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1235 AM CST TUE DEC 12 2017

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

...THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 11 2017...

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)
 YESTERDAY
  MAXIMUM         37    243 PM  61    1965  32      5       30
  MINIMUM         21   1159 PM -18    1976  15      6       14
  AVERAGE         29                        23      6       22

PRECIPITATION (IN)
  YESTERDAY        0.03          0.58 2010   0.05  -0.02     0.06
  MONTH TO DATE    0.04                      0.52  -0.48     0.80
  SINCE DEC 1      0.04                      0.52  -0.48     0.80
  SINCE JAN 1     29.50                     33.92  -4.42    40.77

SNOWFALL (IN)
  YESTERDAY        T             7.0  2000   0.4   -0.4      1.1
  MONTH TO DATE    T                         3.5   -3.5      6.5
  SINCE DEC 1      T                         3.5   -3.5      6.5
  SINCE JUL 1      T                         6.9   -6.9      6.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       36                        42     -6       43
  MONTH TO DATE  376                       436    -60      428
  SINCE DEC 1    376                       436    -60      428
  SINCE JUL 1   1767                      1919   -152     1417

 COOLING
  YESTERDAY        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    32   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    43   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED    15.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           300 PM
 LOWEST     60          1100 PM
 AVERAGE    75

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        58      1968
 MINIMUM TEMPERATURE (F)   14       -15      2000


SUNRISE AND SUNSET
DECEMBER 12 2017......SUNRISE   730 AM CST   SUNSET   437 PM CST
DECEMBER 13 2017......SUNRISE   731 AM CST   SUNSET   437 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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