Climatological Report (Daily)
Issued by NWS
Issued by NWS
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791
CDUS43 KDVN 210630
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
130 AM CDT MON SEP 21 2026
...................................
...THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
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)
YESTERDAY
MAXIMUM 70 243 AM 76 -6 76
MINIMUM 60 846 PM 53 7 59
AVERAGE 65 64 1 68
PRECIPITATION (IN)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 0 3 -3 3
MONTH TO DATE 185 89 96 120
SINCE SEP 1 185 89 96 120
SINCE JAN 1 1244 1008 236 1132
.......................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 11.9
SKY COVER
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 100 AM
LOWEST 80 1000 PM
AVERAGE 90
..........................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TODAY
NORMAL
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 653 AM CDT SUNSET 705 PM CDT
SEPTEMBER 22 2026.....SUNRISE 654 AM CDT SUNSET 703 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$