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

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CDUS43 KDMX 130717 RRA
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1247 AM CST WED DEC 13 2017

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

...THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 12 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         28   1044 PM  58    1968  31     -3       14
  MINIMUM         10    808 AM -15    2000  14     -4        0
  AVERAGE         19                        23     -4        7

PRECIPITATION (IN)
  YESTERDAY        0.00          0.81 1991   0.04  -0.04     0.00
  MONTH TO DATE    0.04                      0.56  -0.52     0.80
  SINCE DEC 1      0.04                      0.56  -0.52     0.80
  SINCE JAN 1     29.50                     33.96  -4.46    40.77

SNOWFALL (IN)
  YESTERDAY        0.0           7.5  1972   0.3   -0.3      0.0
  MONTH TO DATE    T                         3.8   -3.8      6.5
  SINCE DEC 1      T                         3.8   -3.8      6.5
  SINCE JUL 1      T                         7.2   -7.2      6.5
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       46                        42      4       58
  MONTH TO DATE  422                       478    -56      486
  SINCE DEC 1    422                       478    -56      486
  SINCE JUL 1   1813                      1961   -148     1475

 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    20   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           400 AM
 LOWEST     36           100 PM
 AVERAGE    60

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        57      1975
 MINIMUM TEMPERATURE (F)   14       -26      1961


SUNRISE AND SUNSET
DECEMBER 13 2017......SUNRISE   731 AM CST   SUNSET   437 PM CST
DECEMBER 14 2017......SUNRISE   732 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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