CDUS43 KDMX 160634
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1234 AM CST TUE DEC 16 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR DECEMBER 15 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         28    345 PM  74    2021  34     -6       36
  MINIMUM          4   1251 AM -21    1917  17    -13       32
  AVERAGE         16                        25     -9       34

PRECIPITATION (IN)
  YESTERDAY        0.00          0.74 2014   0.04  -0.04     0.00
  MONTH TO DATE    0.32                      0.74  -0.42     0.40
  SINCE DEC 1      0.32                      0.74  -0.42     0.40
  SINCE JAN 1     35.20                     35.59  -0.39    39.90

SNOWFALL (IN)
  YESTERDAY        0.0           4.5  1925   0.3   -0.3      0.0
                                      2010
  MONTH TO DATE    4.1                       4.4   -0.3      0.7
  SINCE DEC 1      4.1                       4.4   -0.3      0.7
  SINCE JUL 1     18.6                       7.8   10.8      0.9
  SNOW DEPTH       4

DEGREE DAYS
 HEATING
  YESTERDAY       49                        40      9       31
  MONTH TO DATE  758                       557    201      593
  SINCE DEC 1    758                       557    201      593
  SINCE JUL 1   1931                      1935     -4     1615

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1    985                       916     69      996
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.8


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    95          1000 PM
 LOWEST     65          1100 AM
 AVERAGE    80

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THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   33        63      1939
 MINIMUM TEMPERATURE (F)   17       -20      1932


SUNRISE AND SUNSET
DECEMBER 16 2025......SUNRISE   733 AM CST   SUNSET   438 PM CST
DECEMBER 17 2025......SUNRISE   734 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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