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

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244
CXUS53 KDMX 011637
CLMALO

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
1031 AM CST SUN JAN 1 2017

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

...THE WATERLOO IA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1895 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              67   12/03/2012
                        12/05/2001
                        12/04/1998
 LOW              -29   12/25/2000
                        12/10/1919
HIGHEST            43   12/26        49      -6       52  12/13
LOWEST            -17   12/18       -11      -6       11  12/19
AVG. MAXIMUM     28.3              30.8    -2.5     39.9
AVG. MINIMUM     15.9              13.5     2.4     27.8
MEAN             22.1              22.2    -0.1     33.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     14              15.4    -1.4        7
DAYS MIN <= 32     29              29.2    -0.2       23
DAYS MIN <= 0       6               5.7     0.3        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.92   2015
 MINIMUM         0.16   1995
TOTALS           1.87              1.20    0.67     5.92
DAILY AVG.       0.06              0.04    0.02     0.19
DAYS >= .01         8               8.4    -0.4       12
DAYS >= .10         5               3.4     1.6        6
DAYS >= .50         2               0.5     1.5        4
DAYS >= 1.00        0               0.1    -0.1        1

SNOWFALL (INCHES)
RECORDS
 TOTAL           34.0   5
                        0
                        -26215
TOTALS           10.5               9.9     0.6     14.0
SINCE 7/1        10.5              13.3    -2.8     26.7
SNOWDEPTH AVG.      2                 4      -2        1
DAYS >= 1.0         5               3.1     1.9        2
GREATEST
 SNOW DEPTH         5   12/24                          8  12/31
                        12/20                             12/30
                        12/19                             12/29
 24 HR TOTAL      2.8   MM

DEGREE_DAYS
HEATING TOTAL    1323              1328      -5      956
 SINCE 7/1       2312              2811    -499     2171
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        869               799      70      747
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
HIGHEST WIND SPEED/DIRECTION    33/260    DATE  12/26
HIGHEST GUST SPEED/DIRECTION    42/300    DATE  12/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           12
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     76

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                2     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       4
LIGHT SNOW               10     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      2
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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