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

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710
CDUS43 KDMX 170636
CLIALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
136 AM CDT SAT MAY 17 2025

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

...THE WATERLOO IA CLIMATE SUMMARY FOR MAY 16 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         78        MM  92    1936  73      5       74
  MINIMUM         50        MM  30    1921  50      0       54
                                      1929
  AVERAGE         64                        62      2       64

PRECIPITATION (IN)
  YESTERDAY        T             3.03 1999   0.15  -0.15     0.06
  MONTH TO DATE    0.11                      2.24  -2.13     4.27
  SINCE MAR 1      8.24                      8.26  -0.02    10.75
  SINCE JAN 1      8.78                     10.50  -1.72    13.47

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE MAR 1      4.2                       6.4   -2.2      4.9
  SINCE JUL 1     17.1                      39.1  -22.0     32.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        1                         5     -4        1
  MONTH TO DATE   60                       121    -61       73
  SINCE MAR 1   1149                      1475   -326     1224
  SINCE JUL 1   5894                      6645   -751     5446

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   33                        19     14        4
  SINCE MAR 1     42                        27     15        8
  SINCE JAN 1     42                        27     15        8
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    50   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    18.4


WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           800 PM
 LOWEST     24           100 PM
 AVERAGE    52

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


THE WATERLOO IA CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1934
 MINIMUM TEMPERATURE (F)   51        32      1915
                                             1925
                                             2014


SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE   545 AM CDT   SUNSET   827 PM CDT
MAY 18 2025...........SUNRISE   544 AM CDT   SUNSET   828 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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