352
CDUS43 KDVN 182122
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
422 PM CDT MON AUG 18 2025
...............................
..THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 91 259 PM MM MM 84 7 84
MINIMUM 71 144 AM MM MM 63 8 65
AVERAGE 81 74 7 75
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.13 -0.13 0.00
MONTH TO DATE 1.55 2.18 -0.63 2.82
SINCE JUN 1 11.54 11.38 0.16 14.99
SINCE JAN 1 21.42 24.08 -2.66 30.40
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE JUN 1 3 15 -12 4
SINCE JUL 1 0 2 -2 4
COOLING
TODAY 16 8 8 10
MONTH TO DATE 189 172 17 154
SINCE JUN 1 874 741 133 727
SINCE JAN 1 938 822 116 803
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 6.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 64 200 PM
AVERAGE 82
......................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 63 MM MM
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 618 AM CDT SUNSET 801 PM CDT
AUGUST 19 2025........SUNRISE 619 AM CDT SUNSET 759 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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