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

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658
CXUS53 KMKX 012246
CLAMSN

CLIMATE REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
446 PM CST THU JAN 01 2026

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

...THE MADISON WI CLIMATE SUMMARY FOR THE YEAR OF 2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            107   07/14/1936
 LOW             -37   01/30/1951
HIGHEST           93   06/22         94      -1       94  08/26
LOWEST           -13   01/21        -17       4      -11  01/15
AVG. MAXIMUM    58.0               56.5     1.5     60.6
AVG. MINIMUM    37.9               37.6     0.3     41.1
MEAN            48.0               47.0     1.0     50.9
DAYS MAX >= 90     9                8.6     0.4        8
DAYS MAX <= 32    63               58.7     4.3       32
DAYS MIN <= 32   146              146.9    -0.9      124
DAYS MIN <= 0     15               15.8    -0.8       11

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       52.91   1881
 MINIMUM       13.69   1895
TOTALS         32.75              37.13   -4.38    48.47
DAILY AVG.      0.09               0.10   -0.01     0.13
DAYS >= .01      118              126.4    -8.4      117
DAYS >= .10       60               70.1   -10.1       72
DAYS >= .50       24               22.7     1.3       33
DAYS >= 1.00       6                8.5    -2.5       11
GREATEST
 24 HR. TOTAL   2.54   06/23 TO 06/24               4.47  09/21 TO 09/22

SNOWFALL (INCHES)
RECORDS
 TOTAL         111.1   2008
TOTALS          35.5               51.8   -16.3     45.1
SINCE 7/1       22.8               15.6     7.2      9.4
SNOWDEPTH AVG.     1                                   0
DAYS >= TRACE     69               37.9    31.1       47
DAYS >= 1.0       10               14.9    -4.9       14
DAYS >= 0.1       37                                  30
GREATEST
 SNOW DEPTH        8   11/30                          12  01/13
                                                          01/14
 24 HR TOTAL    11.5   11/29 TO 11/30                9.2  01/12 TO 01/13

DEGREE DAYS
HEATING TOTAL   6845               7138    -293     5813
 SINCE 7/1      2633               2741    -108     2233
COOLING TOTAL    757                627     130      735
 SINCE 1/1       757                628     129      735

FREEZE DATES
RECORD
 EARLIEST     09/12/1955
 LATEST       05/31/1966
EARLIEST                        10/23
LATEST                          05/09
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.0
RESULTANT WIND SPEED/DIRECTION   0/210
HIGHEST WIND SPEED/DIRECTION    37/020    DATE  07/10
HIGHEST GUST SPEED/DIRECTION    54/020    DATE  07/10

SKY COVER
AVERAGE SKY COVER           0.56
NUMBER OF DAYS FAIR           84
NUMBER OF DAYS PC            194
NUMBER OF DAYS CLOUDY         87

AVERAGE RH (PERCENT)     69

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             38     MIXED PRECIP               0
HEAVY RAIN               24     RAIN                      43
LIGHT RAIN              132     FREEZING RAIN              0
LT FREEZING RAIN          4     HAIL                       1
HEAVY SNOW                2     SNOW                       3
LIGHT SNOW               68     SLEET                      2
FOG                     175     FOG W/VIS <= 1/4 MILE     12
HAZE                     41

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

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