Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDVN 190637
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
137 AM CDT TUE AUG 19 2025
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 18 2025...
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)
YESTERDAY
MAXIMUM 91 307 PM MM MM 84 7 84
MINIMUM 71 144 AM MM MM 63 8 65
AVERAGE 81 74 7 75
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 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 15 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 MM MM
MINIMUM TEMPERATURE (F) 63 MM MM
SUNRISE AND SUNSET
AUGUST 19 2025........SUNRISE 619 AM CDT SUNSET 759 PM CDT
AUGUST 20 2025........SUNRISE 620 AM CDT SUNSET 758 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$