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

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CDUS43 KDMX 210634
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
134 AM CDT FRI AUG 21 2026

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

...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 20 2026...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         82    308 PM 101    1916  83     -1       83
  MINIMUM         57    446 AM  33    1950  61     -4       66
  AVERAGE         70                        72     -2       75

PRECIPITATION (IN)
  YESTERDAY        0.00          4.92 1966   0.14  -0.14     0.00
  MONTH TO DATE    2.93                      2.73   0.20     3.06
  SINCE JUN 1     15.95                     12.79   3.16    19.59
  SINCE JAN 1     29.11                     25.66   3.45    30.63

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH      MM

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     14                        21     -7        6
  SINCE JUL 1      0                         3     -3        0

 COOLING
  YESTERDAY        5                         7     -2       10
  MONTH TO DATE  158                       158      0      176
  SINCE JUN 1    674                       667      7      737
  SINCE JAN 1    767                       739     28      783
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93          1200 AM
 LOWEST     47           300 PM
 AVERAGE    70

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       100      1916
 MINIMUM TEMPERATURE (F)   60        39      2004


SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE   623 AM CDT   SUNSET   802 PM CDT
AUGUST 22 2026........SUNRISE   624 AM CDT   SUNSET   800 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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