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

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CXUS53 KDMX 011418
CLMDSM

CLIMATE REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
816 AM CST THU JAN 1 2015

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

...THE DES MOINES CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1878 TO 2014

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            58   12/14        55       3       54  12/02
LOWEST              0   12/31        -5       5      -14  12/24
AVG. MAXIMUM     38.0              34.0     4.0     29.9
AVG. MINIMUM     25.7              18.0     7.7     12.4
MEAN             31.8              26.0     5.8     21.1
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      6              12.5    -6.5       20
DAYS MIN <= 32     23              28.0    -5.0       29
DAYS MIN <= 0       1               3.2    -2.2        5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         3.72   1931
 MINIMUM            T   2002
TOTALS           1.04              1.42   -0.38     0.81
DAILY AVG.       0.03              0.05   -0.02     0.03
DAYS >= .01         5               8.4    -3.4        7
DAYS >= .10         3               3.6    -0.6        4
DAYS >= .50         0               0.8    -0.8        0
DAYS >= 1.00        0               0.2    -0.2        0

SNOWFALL (INCHES)
RECORDS
 TOTAL           28.2   2009
TOTALS            1.9               9.0    -7.1     13.6
SINCE 7/1         7.7              11.9    -4.2     15.0
SNOWDEPTH AVG.      0                 4      -4        2
DAYS >= 1.0         1               2.8    -1.8        4
GREATEST
 SNOW DEPTH         1   12/24                          6  12/23
                                                          12/22
 24 HR TOTAL      1.0   12/23 TO 12/23

DEGREE_DAYS
HEATING TOTAL    1019              1209    -190     1353
 SINCE 7/1       2336              2467    -131     2556
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1075              1066       9     1353
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.5
HIGHEST WIND SPEED/DIRECTION    31/330    DATE  12/16
HIGHEST GUST SPEED/DIRECTION    41/320    DATE  12/16

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.80
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY         21

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                0     SNOW                       6
LIGHT SNOW                9     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      2
HAZE                      9

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

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