Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDVN 202139
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
439 PM CDT SUN SEP 20 2026
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 243 AM 76 -6 76
MINIMUM 62 258 PM 53 9 59
AVERAGE 66 64 2 68
PRECIPITATION (IN)
TODAY MM 0.11 MM 0.06
MONTH TO DATE 5.12 2.24 2.88 0.38
SINCE SEP 1 5.12 2.24 2.88 0.38
SINCE JAN 1 35.25 28.08 7.17 21.89
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 5 35 -30 37
SINCE SEP 1 5 35 -30 37
SINCE JUL 1 5 41 -36 48
COOLING
TODAY 1 3 -2 3
MONTH TO DATE 186 89 97 120
SINCE SEP 1 186 89 97 120
SINCE JAN 1 1245 1008 237 1132
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 11.2
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 93 300 PM
AVERAGE 97
..........................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 652 AM CDT SUNSET 707 PM CDT
SEPTEMBER 21 2026.....SUNRISE 653 AM CDT SUNSET 705 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$