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

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134
CDUS43 KDMX 170631
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
131 AM CDT MON AUG 17 2026

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

...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 16 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         80    345 PM 105    1937  83     -3       92
  MINIMUM         63   1159 PM  43    1976  61      2       70
                                      1992
  AVERAGE         72                        72      0       81

PRECIPITATION (IN)
  YESTERDAY        0.00          1.94 1965   0.14  -0.14      T
  MONTH TO DATE    2.93                      2.16   0.77     2.20
  SINCE JUN 1     15.95                     12.22   3.73    18.73
  SINCE JAN 1     29.11                     25.09   4.02    29.77

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        0
  SINCE JUN 1     14                        21     -7        6
  SINCE JUL 1      0                         3     -3        0

 COOLING
  YESTERDAY        7                         7      0       16
  MONTH TO DATE  130                       130      0      128
  SINCE JUN 1    646                       639      7      689
  SINCE JAN 1    739                       711     28      735
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     7.3


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     62           300 PM
 AVERAGE    81

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       105      1988
 MINIMUM TEMPERATURE (F)   61        46      1962


SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE   619 AM CDT   SUNSET   808 PM CDT
AUGUST 18 2026........SUNRISE   620 AM CDT   SUNSET   806 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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