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

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CXUS53 KMKX 012201
CLMMSN

CLIMATE REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
501 PM CDT SUN OCT 01 2023

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

...THE MADISON WI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   09/01/1953
 LOW              25   09/22/1974
                       09/29/1949
HIGHEST           94   09/03         87       7       85  09/01
LOWEST            42   09/14         36       6       35  09/29
AVG. MAXIMUM    76.2               72.9     3.3     72.5
AVG. MINIMUM    56.7               51.0     5.7     53.7
MEAN            66.5               62.0     4.5     63.1
DAYS MAX >= 90     2                0.6     1.4        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.5    -0.5        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.69   1915
 MINIMUM        0.11   1979
TOTALS          3.09               3.43   -0.34     4.03
DAILY AVG.      0.10               0.11   -0.01     0.13
DAYS >= .01       13                9.2     3.8        7
DAYS >= .10        6                5.5     0.5        6
DAYS >= .50        2                2.3    -0.3        2
DAYS >= 1.00       1                0.8     0.2        1
GREATEST
 24 HR. TOTAL   1.51   09/25 TO 09/26               2.64

DEGREE DAYS
HEATING TOTAL     57                151     -94      130
 SINCE 7/1        71                180    -109       MM
COOLING TOTAL    108                 59      49       81
 SINCE 1/1       754                622     132       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.7
HIGHEST WIND SPEED/DIRECTION    22/170    DATE  09/05
HIGHEST GUST SPEED/DIRECTION    33/100    DATE  09/23

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.62
NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     72

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       8
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      3
HAZE                      3

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

$$


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