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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
386
CDUS43 KDMX 180632
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
132 AM CDT TUE AUG 18 2026

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

...THE WATERLOO IA CLIMATE SUMMARY FOR AUGUST 17 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         81    404 PM 105    1988  83     -2       89
  MINIMUM         60    550 AM  46    1962  61     -1       70
  AVERAGE         71                        72     -1       80

PRECIPITATION (IN)
  YESTERDAY        0.00          1.42 1938   0.15  -0.15     0.35
  MONTH TO DATE    2.93                      2.31   0.62     2.55
  SINCE JUN 1     15.95                     12.37   3.58    19.08
  SINCE JAN 1     29.11                     25.24   3.87    30.12

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        6                         7     -1       15
  MONTH TO DATE  136                       137     -1      143
  SINCE JUN 1    652                       646      6      704
  SINCE JAN 1    745                       718     27      750
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED     5.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     51           500 PM
 AVERAGE    76

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   83       110      1936
 MINIMUM TEMPERATURE (F)   61        43      1977
                                             2012


SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE   620 AM CDT   SUNSET   806 PM CDT
AUGUST 19 2026........SUNRISE   621 AM CDT   SUNSET   805 PM CDT


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




$$