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

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000
CXUS53 KDMX 011636
CLMDSM

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

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

...THE DES MOINES IA CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1878 TO 2016

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              69   12/03/2012
                        12/28/1984
                        12/08/1946
 LOW              -22   12/23/1989
HIGHEST            53   12/25        55      -2       58  12/10
LOWEST            -12   12/18        -5      -7       14  12/31
AVG. MAXIMUM     35.2              34.0     1.2     42.9
AVG. MINIMUM     19.5              18.0     1.5     29.5
MEAN             27.4              26.0     1.4     36.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     12              12.5    -0.5        4
DAYS MIN <= 32     26              28.0    -2.0       19
DAYS MIN <= 0       3               3.2    -0.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.44   2015
 MINIMUM            T   2002
TOTALS           1.41              1.42   -0.01     5.44
DAILY AVG.       0.05              0.05    0.00     0.18
DAYS >= .01         7               8.4    -1.4       12
DAYS >= .10         3               3.6    -0.6        5
DAYS >= .50         1               0.8     0.2        5
DAYS >= 1.00        0               0.2    -0.2        2

SNOWFALL (INCHES)
RECORDS
 TOTAL           28.2   2009
TOTALS            3.8               9.0    -5.2      7.8
SINCE 7/1         3.8              11.9    -8.1     14.7
SNOWDEPTH AVG.      0                 4      -4        0
DAYS >= 1.0         2               2.8    -0.8        1
GREATEST
 SNOW DEPTH         2   12/20                          5  12/30
                        12/19
                        12/18
 24 HR TOTAL      1.7   MM

DEGREE_DAYS
HEATING TOTAL    1160              1209     -49      885
 SINCE 7/1       1843              2467    -624     1766
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1448              1066     382     1211
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              11.3
HIGHEST WIND SPEED/DIRECTION    39/310    DATE  12/29
HIGHEST GUST SPEED/DIRECTION    49/320    DATE  12/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN                7     FREEZING RAIN              0
LT FREEZING RAIN          2     HAIL                       0
HEAVY SNOW                0     SNOW                       7
LIGHT SNOW               11     SLEET                      1
FOG                      10     FOG W/VIS <= 1/4 MILE      2
HAZE                      4

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

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