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

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158
CDUS43 KDMX 130637
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
137 AM CDT WED AUG 13 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 12 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         84    302 PM 102    1936  83      1       78
  MINIMUM         64   1159 PM  45    1964  62      2       62
                                      1967
  AVERAGE         74                        73      1       70

PRECIPITATION (IN)
  YESTERDAY        T             1.47 1923   0.13  -0.13     0.00
  MONTH TO DATE    1.96                      1.61   0.35     0.01
  SINCE JUN 1     18.49                     11.67   6.82    12.64
  SINCE JAN 1     29.53                     24.54   4.99    31.88

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       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE JUN 1      6                        21    -15        4
  SINCE JUL 1      0                         3     -3        4

 COOLING
  YESTERDAY        9                         8      1        5
  MONTH TO DATE   89                        99    -10       88
  SINCE JUN 1    650                       608     42      618
  SINCE JAN 1    696                       680     16      654
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     5.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1200 AM
 LOWEST     55           300 PM
 AVERAGE    76

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83        95      1909
                                             1965
                                             1995
 MINIMUM TEMPERATURE (F)   62        41      1964


SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE   615 AM CDT   SUNSET   813 PM CDT
AUGUST 14 2025........SUNRISE   616 AM CDT   SUNSET   812 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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