Climatological Report (Monthly)
Issued by NWS Milwaukee/Sullivan, WI

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CXUS53 KMKX 011728
CLMMSN

CLIMATE REPORT...RESEND
NATIONAL WEATHER SERVICE IN MILWAUKEE
902 AM CST MON JAN 1 2018

...THE MADISON WI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              65   12/03/2012
 LOW              -28   12/24/1872
HIGHEST            61   12/04        48      13       44  12/26
LOWEST             -9   12/31        -7      -2       -8  12/18
AVG. MAXIMUM     29.1              30.2    -1.1     28.0
AVG. MINIMUM     15.1              15.9    -0.8     17.0
MEAN             22.1              23.0    -0.9     22.5
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32     18              16.9     1.1       16
DAYS MIN <= 32     30              28.6     1.4       29
DAYS MIN <= 0       6               3.6     2.4        4

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         5.68   1884
 MINIMUM         0.21   1898
TOTALS           0.73              1.74   -1.01     2.03
DAILY AVG.       0.02              0.06   -0.04     0.07
DAYS >= .01         8              10.1    -2.1        9
DAYS >= .10         1               4.5    -3.5        8
DAYS >= .50         0               0.8    -0.8        0
DAYS >= 1.00        0               0.2    -0.2        0
GREATEST
 24 HR. TOTAL    0.47   12/04 TO 12/04              0.46

SNOWFALL (INCHES)
RECORDS
 TOTAL           40.4   2008
TOTALS            3.7              13.5    -9.8     22.7
SINCE 7/1         4.0              17.6   -13.6     22.7
SNOWDEPTH AVG.      0                 4      -4        4
DAYS >= 1.0         1               3.8    -2.8        6
GREATEST
 SNOW DEPTH         2   12/31                          9  12/19
                        12/30                             12/18
 24 HR TOTAL      1.2   12/24 TO 12/24               7.9

DEGREE_DAYS
HEATING TOTAL    1323              1300      23     1309
 SINCE 7/1       2682              2879    -197     2331
COOLING TOTAL       0                 0       0        0
 SINCE 1/1        580               568      12      780
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.4
HIGHEST WIND SPEED/DIRECTION    26/340    DATE  12/11
HIGHEST GUST SPEED/DIRECTION    49/250    DATE  12/05

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     70

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM      1     MIXED PRECIP            0
HEAVY RAIN        1     RAIN                    1
LIGHT RAIN        2     FREEZING RAIN           0
LT FREEZING RAIN  1     HAIL                    0
HEAVY SNOW        0     SNOW                    0
LIGHT SNOW       17     SLEET                   0
FOG              12     FOG W/VIS <= 1/4 MILE   0
HAZE              5

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

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