Climatological Report (Monthly)
Issued by NWS

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CXUS53 KDVN 011020
CLMIOW


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
520 AM CDT SUN OCT 1 2017

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

...THE IOWA CITY IA CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2017...

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            95   09/23        80      15
LOWEST             44   09/30        46      -2
AVG. MAXIMUM     82.7              75.9     6.8
AVG. MINIMUM     56.0              52.5     3.5
MEAN             69.4              64.2     5.2
DAYS MAX >= 90      9
DAYS MAX <= 32      0
DAYS MIN <= 32      0
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
TOTALS           0.49              3.39   -2.90
DAILY AVG.       0.02              0.11   -0.09
DAYS >= .01         4
DAYS >= .10         2
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.27   09/17 TO 09/17

DEGREE_DAYS
HEATING TOTAL      32               104     -72
 SINCE 7/1         32               112     -80
COOLING TOTAL     172                80      92
 SINCE 1/1       1044               902     142
.................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    25/160    DATE  09/21
HIGHEST GUST SPEED/DIRECTION    35/330    DATE  09/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.10
NUMBER OF DAYS FAIR           25
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY          0

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     HAIL                       0
SLEET                     0     FOG                        8
FOG W/VIS <= 1/4 MILE     1     HAZE                       2

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

$$



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