Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDVN 172131
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
431 PM CDT WED SEP 17 2025
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 17 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 91 155 PM MM MM 77 14 88
MINIMUM 62 520 AM MM MM 54 8 59
AVERAGE 77 66 11 74
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.11 -0.11 0.00
MONTH TO DATE 0.04 1.91 -1.87 0.00
SINCE SEP 1 0.04 1.91 -1.87 0.00
SINCE JAN 1 21.55 27.75 -6.20 31.87
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 37 26 11 16
SINCE SEP 1 37 26 11 16
SINCE JUL 1 48 32 16 21
COOLING
TODAY 12 3 9 9
MONTH TO DATE 104 80 24 68
SINCE SEP 1 104 80 24 68
SINCE JAN 1 1116 999 117 992
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 100 AM
LOWEST 35 100 PM
AVERAGE 61
..........................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 MM MM
MINIMUM TEMPERATURE (F) 53 MM MM
SUNRISE AND SUNSET
SEPTEMBER 17 2025.....SUNRISE 649 AM CDT SUNSET 711 PM CDT
SEPTEMBER 18 2025.....SUNRISE 650 AM CDT SUNSET 710 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$