Climatological Report (Daily)
Issued by NWS
Issued by NWS
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905
CDUS43 KDVN 180644
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
144 AM CDT TUE AUG 18 2026
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST
VALUE (LST) VALUE FROM YEAR
NORMAL
.......................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 352 PM 84 -1 92
MINIMUM 65 1117 PM 63 2 72
AVERAGE 74 74 0 82
PRECIPITATION (IN)
YESTERDAY 0.00 0.14 -0.14 0.00
MONTH TO DATE 3.72 2.05 1.67 1.55
SINCE JUN 1 18.44 11.25 7.19 11.54
SINCE JAN 1 30.04 23.95 6.09 21.42
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 2 15 -13 3
SINCE JUL 1 0 2 -2 0
COOLING
YESTERDAY 9 9 0 17
MONTH TO DATE 173 164 9 173
SINCE JUN 1 812 733 79 858
SINCE JAN 1 935 814 121 922
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.7
SKY COVER
AVERAGE SKY COVER MM
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST MM
LOWEST MM
AVERAGE MM
..........................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY
NORMAL
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 618 AM CDT SUNSET 801 PM CDT
AUGUST 19 2026........SUNRISE 619 AM CDT SUNSET 800 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$