554
CDUS43 KDMX 170643
CLIALO
CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
143 AM CDT SUN MAY 17 2026
...............................
..THE WATERLOO IA CLIMATE SUMMARY FOR MAY 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 82 238 PM 92 1936 73 9 78
MINIMUM 59 556 AM 30 1921 50 9 50
1929
AVERAGE 71 62 9 64
PRECIPITATION (IN)
YESTERDAY 0.40 3.03 1999 0.15 0.25 T
MONTH TO DATE 0.89 2.24 -1.35 0.11
SINCE MAR 1 8.89 8.26 0.63 8.24
SINCE JAN 1 11.29 10.50 0.79 8.78
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 2.1 6.4 -4.3 4.2
SINCE JUL 1 33.6 39.1 -5.5 17.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 1
MONTH TO DATE 155 121 34 60
SINCE MAR 1 1261 1475 -214 1149
SINCE JUL 1 6320 6645 -325 5894
COOLING
YESTERDAY 6 2 4 0
MONTH TO DATE 18 19 -1 33
SINCE MAR 1 30 27 3 42
SINCE JAN 1 30 27 3 42
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 41 200 PM
AVERAGE 69
......................................................
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 2026...........SUNRISE 546 AM CDT SUNSET 827 PM CDT
MAY 18 2026...........SUNRISE 545 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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