Climatological Report (Daily)
Issued by NWS
Issued by NWS
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987
CDUS43 KDVN 310630
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
130 AM CDT SUN AUG 31 2025
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR AUGUST 30 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 80 426 PM MM MM 82 -2 82
MINIMUM 63 141 AM MM MM 60 3 60
AVERAGE 72 71 1 71
PRECIPITATION (IN)
YESTERDAY 0.00 MM MM 0.14 -0.14 0.47
MONTH TO DATE 1.64 3.80 -2.16 4.29
SINCE JUN 1 11.63 13.00 -1.37 16.46
SINCE JAN 1 21.51 25.70 -4.19 31.87
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 11 0 11 4
SINCE JUN 1 14 15 -1 5
SINCE JUL 1 11 2 9 5
COOLING
YESTERDAY 7 6 1 6
MONTH TO DATE 257 261 -4 271
SINCE JUN 1 942 830 112 844
SINCE JAN 1 1006 911 95 920
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 700 AM
LOWEST 62 100 PM
AVERAGE 80
..........................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 MM MM
MINIMUM TEMPERATURE (F) 60 MM MM
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 632 AM CDT SUNSET 740 PM CDT
SEPTEMBER 1 2025.....SUNRISE 633 AM CDT SUNSET 739 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$