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

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CXUS53 KDMX 011443 RRA
CLMALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
942 AM CDT FRI MAY 1 2015

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

...THE WATERLOO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2015

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            80   04/17        81      -1       83  04/12
                        04/01
LOWEST             24   04/04        19       5       22  04/15
                                                          04/05
AVG. MAXIMUM     62.6              60.6     2.0     57.6
AVG. MINIMUM     36.7              37.2    -0.5     34.2
MEAN             49.6              48.9     0.7     45.9
DAYS MAX >= 90      0               0.1    -0.1        0
DAYS MAX <= 32      0               0.1    -0.1        0
DAYS MIN <= 32      9               8.5     0.5       10
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        10.79   2008
 MINIMUM         0.28   1942
TOTALS           3.36              3.71   -0.35     7.24
DAILY AVG.       0.11              0.12   -0.01     0.24
DAYS >= .01        10              10.9    -0.9       16
DAYS >= .10         8               7.0     1.0       11
DAYS >= .50         2               2.4    -0.4        5
DAYS >= 1.00        0               0.7    -0.7        2

SNOWFALL (INCHES)
RECORDS
 TOTAL           10.3   5
                        0
                        -26215
TOTALS              T               1.8    -1.8      0.4
SINCE 7/1        29.2              35.3    -6.1     58.0
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.6    -0.6        0
GREATEST
 SNOW DEPTH         0   MM                             0  MM
 24 HR TOTAL        T   04/09 TO 04/09

DEGREE_DAYS
HEATING TOTAL     454               491     -37      568
 SINCE 7/1       7124              6816     308     8108
COOLING TOTAL       0                 8      -8        2
 SINCE 1/1          0                 8      -8        2
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
HIGHEST WIND SPEED/DIRECTION    37/320    DATE  04/20
HIGHEST GUST SPEED/DIRECTION    47/210    DATE  04/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           18
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY          6

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      1
HAZE                      6

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

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