Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS43 KDVN 120630
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
130 AM CDT FRI SEP 12 2025
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 11 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 87 230 PM MM MM 79 8 85
MINIMUM 59 547 AM MM MM 56 3 54
AVERAGE 73 68 5 70
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.11 -0.11 0.00
MONTH TO DATE 0.04 1.30 -1.26 0.00
SINCE SEP 1 0.04 1.30 -1.26 0.00
SINCE JAN 1 21.55 27.14 -5.59 31.87
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 37 12 25 16
SINCE SEP 1 37 12 25 16
SINCE JUL 1 48 18 30 21
COOLING
YESTERDAY 8 4 4 5
MONTH TO DATE 21 57 -36 12
SINCE SEP 1 21 57 -36 12
SINCE JAN 1 1033 976 57 936
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 600 AM
LOWEST 37 400 PM
AVERAGE 64
..........................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 MM MM
MINIMUM TEMPERATURE (F) 56 MM MM
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 644 AM CDT SUNSET 720 PM CDT
SEPTEMBER 13 2025.....SUNRISE 645 AM CDT SUNSET 718 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$