089
CDUS43 KDVN 162121
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
421 PM CDT TUE SEP 16 2025
...............................
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 16 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 93 229 PM MM MM 78 15 87
MINIMUM 63 505 AM MM MM 54 9 63
AVERAGE 78 66 12 75
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.10 -0.10 0.00
MONTH TO DATE 0.04 1.80 -1.76 0.00
SINCE SEP 1 0.04 1.80 -1.76 0.00
SINCE JAN 1 21.55 27.64 -6.09 31.87
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 37 23 14 16
SINCE SEP 1 37 23 14 16
SINCE JUL 1 48 29 19 21
COOLING
TODAY 13 4 9 10
MONTH TO DATE 92 77 15 59
SINCE SEP 1 92 77 15 59
SINCE JAN 1 1104 996 108 983
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 36 100 PM
AVERAGE 63
......................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 MM MM
MINIMUM TEMPERATURE (F) 54 MM MM
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 648 AM CDT SUNSET 713 PM CDT
SEPTEMBER 17 2025.....SUNRISE 649 AM CDT SUNSET 711 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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