Climatological Report (Monthly)
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000
CXUS53 KDVN 011438
CLMCID


CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
826 AM CST MON JAN 1 2018

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

...THE CEDAR RAPIDS IA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1891 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/04/1998
 LOW              -28   12/28/1924
HIGHEST            65   12/04        38      27
LOWEST            -22   12/31        12     -34
AVG. MAXIMUM     33.0              31.8     1.2
AVG. MINIMUM     14.2              14.8    -0.6
MEAN             23.6              23.3     0.3
DAYS MAX >= 90      0
DAYS MAX <= 32     13
DAYS MIN <= 32     30
DAYS MIN <= 0       5

PRECIPITATION (INCHES)
TOTALS           0.61              1.42   -0.81
DAILY AVG.       0.02              0.05   -0.03
DAYS >= .01         8
DAYS >= .10         3
DAYS >= .50         0
DAYS >= 1.00        0
GREATEST
 24 HR. TOTAL    0.22   12/29 TO 12/29

DEGREE_DAYS
HEATING TOTAL    1275              1293     -18
 SINCE 7/1       2533              2739    -206
COOLING TOTAL       0                 0       0
 SINCE 1/1        747               748      -1
.................................................

WIND (MPH)
AVERAGE WIND SPEED              10.9
HIGHEST WIND SPEED/DIRECTION    40/320    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    50/320    DATE  12/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     HAIL                       0
SLEET                     0     FOG                       14
FOG W/VIS <= 1/4 MILE     1     HAZE                      11

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

Supplimental precipitation data from SWHI4

$$





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