968
CXUS53 KDVN 011940
CLMIOW

CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
240 PM CDT WED OCT 01 2025

...................................

...THE IOWA CITY IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
HIGHEST           96   09/13         80      16
                       09/14
LOWEST            40   09/07         46      -6
AVG. MAXIMUM    82.3               77.5     4.8
AVG. MINIMUM    56.5               54.2     2.3
MEAN            69.4               65.8     3.6
DAYS MAX >= 90     7
DAYS MAX <= 32     0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
TOTALS          1.16               3.24   -2.08
DAILY AVG.      0.04               0.11   -0.07
DAYS >= .01        6
DAYS >= .10        3
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.76   09/22 TO 09/23


DEGREE DAYS
HEATING TOTAL     37                 84     -47
 SINCE 7/1        48                 90     -42
COOLING TOTAL    176                110      66
 SINCE 1/1      1188               1029     159
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              4.5
HIGHEST WIND SPEED/DIRECTION    26/010    DATE  09/22
HIGHEST GUST SPEED/DIRECTION    36/310    DATE  09/05
                                36/010          09/22

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.19
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HAIL                       0
SLEET                     0     FOG                       12
FOG W/VIS <= 1/4 MILE     2     HAZE                       2

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$