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

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791
CXUS53 KMKX 021434 CCA
CLMMKE

CLIMATE REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
655 PM CST WED JAN 1 2025

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

...THE MILWAUKEE  WI CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2024...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2024

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             68   12/05/2001
 LOW             -22   12/19/1884
HIGHEST           55   12/09         51       4       58  12/08
LOWEST             2   12/12         -2       4       18  12/19
AVG. MAXIMUM    39.2               36.1     3.1     44.6
AVG. MINIMUM    26.6               23.0     3.6     34.4
MEAN            32.9               29.5     3.4     39.5
DAYS MAX >= 90     0                0.0     0.0        0
DAYS MAX <= 32     7               11.8    -4.8        0
DAYS MIN <= 32    21               25.4    -4.4       10
DAYS MIN <= 0      0                1.2    -1.2        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        5.42   1987
 MINIMUM        0.08   1913
TOTALS          0.98               1.88   -0.90     2.22
DAILY AVG.      0.03               0.06   -0.03     0.07
DAYS >= .01       11               10.3     0.7       12
DAYS >= .10        3                4.8    -1.8        7
DAYS >= .50        0                1.0    -1.0        0
DAYS >= 1.00       0                0.2    -0.2        0
GREATEST
 24 HR. TOTAL   0.36   12/19 TO 12/20               0.41  12/01 TO 12/01

SNOWFALL (INCHES)
RECORDS
 TOTAL          49.5   2000
TOTALS           5.7               10.4    -4.7        T
SINCE 7/1        8.8               13.2    -4.4      4.4
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        1                2.8    -1.8        0
GREATEST
 SNOW DEPTH        3   12/20                           T
 24 HR TOTAL     4.5   12/19 TO 12/20                  T  12/03 TO 12/03
                                                          12/05 TO 12/05
                                                          12/09 TO 12/09
                                                          12/10 TO 12/10
                                                          12/18 TO 12/18
                                                          12/31 TO 12/31

DEGREE DAYS
HEATING TOTAL    990               1099    -109      783
 SINCE 7/1      1858               2326    -468     1818
COOLING TOTAL      0                  0       0        0
 SINCE 1/1       831                780      51      875
................................................................

WIND (MPH)
AVERAGE WIND SPEED              9.9
HIGHEST WIND SPEED/DIRECTION    36/300    DATE  12/04
HIGHEST GUST SPEED/DIRECTION    53/310    DATE  12/04

SKY COVER
AVERAGE SKY COVER           0.76
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         18

AVERAGE RH (PERCENT)     66

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                9     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW               10     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      5
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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