Climatological Report (Monthly)
Issued by NWS

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230
CXUS53 KDVN 011000
CLMIOW


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
449 AM CDT MON OCT 1 2018

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

...THE IOWA CITY IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 9999 TO 9999

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
HIGHEST            93   09/20        80      13
LOWEST             40   09/29        46      -6
AVG. MAXIMUM     77.6              75.9     1.7
AVG. MINIMUM     57.0              52.5     4.5
MEAN             67.3              64.2     3.1
DAYS MAX >= 90      4
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           7.05              3.39    3.66
DAILY AVG.       0.23              0.11    0.12
DAYS >= .01        14
DAYS >= .10         8
DAYS >= .50         5
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    2.79   09/05 TO 09/06

DEGREE_DAYS
HEATING TOTAL      74               104     -30
 SINCE 7/1         74               112     -38
COOLING TOTAL     149                80      69
 SINCE 1/1       1250               902     348
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    32/280    DATE  09/25
HIGHEST GUST SPEED/DIRECTION    52/360    DATE  09/18

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     75

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              9          HAIL       0
SLEET                     0          FOG       18
FOG W/VIS <= 1/4 MILE     2          HAZE       1


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

$$




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