Climatological Report (Monthly)
Issued by NWS Des Moines, IA

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CXUS53 KDMX 011431
CLMALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
928 AM CDT WED MAY 1 2013

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

...THE WATERLOO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2013

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             100   04/22/1980
 LOW               -4   04/06/1982
HIGHEST            83   04/30        81       2       78  04/25
LOWEST             16   04/03        19      -3       23  04/11
AVG. MAXIMUM     54.1              60.6    -6.5     62.1
AVG. MINIMUM     34.3              37.2    -2.9     38.9
MEAN             44.2              48.9    -4.7     50.5
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32     13               8.5     4.5        8
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.79   2008
 MINIMUM         0.28   1942
TOTALS           7.12              3.71    3.41     3.75
DAILY AVG.       0.24              0.12    0.12     0.12
DAYS >= .01        13              10.9     2.1       12
DAYS >= .10        11               7.0     4.0        6
DAYS >= .50         4               2.4     1.6        2
DAYS >= 1.00        2               0.7     1.3        1

SNOWFALL (INCHES)
RECORDS
 TOTAL           10.3   5
                        0
                        MM
TOTALS            0.1               1.8    -1.7      0.0
SINCE 7/1        48.4              35.3    13.1     25.8
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.6    -0.6        0
GREATEST
 SNOW DEPTH         T   04/13                          0  MM
 24 HR TOTAL      0.1   MM

DEGREE_DAYS
HEATING TOTAL     618               491     127      428
 SINCE 7/1       7011              6816     195     5647
COOLING TOTAL       4                 8      -4        3
 SINCE 1/1          4                 8      -4       22
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    39/080    DATE  04/17
HIGHEST GUST SPEED/DIRECTION    47/080    DATE  04/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              5
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       8
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
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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