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

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CXUS53 KMKX 011612
CLMMSN

CLIMATE REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1121 AM CDT FRI OCT 01 2021

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

...THE MADISON WI CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1871 TO 2021

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           88   09/19         87       1       81  09/02
LOWEST            44   09/23         36       8       37  09/19
AVG. MAXIMUM    76.8               72.9     3.9     69.7
AVG. MINIMUM    52.3               51.0     1.3     50.5
MEAN            64.5               62.0     2.5     60.1
DAYS MAX >= 90     0                0.6    -0.6        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          2.34               3.43   -1.09     2.63
DAILY AVG.      0.08               0.11   -0.03     0.09
DAYS >= .01        7                9.2    -2.2       12
DAYS >= .10        4                5.5    -1.5        7
DAYS >= .50        2                2.3    -0.3        1
DAYS >= 1.00       1                0.8     0.2        0
GREATEST
 24 HR. TOTAL   1.17   09/12 TO 09/13               1.05

DEGREE DAYS
HEATING TOTAL     48                151    -103      150
 SINCE 7/1        50                180    -130      175
COOLING TOTAL     42                 59     -17       16
 SINCE 1/1       821                622     199      728
................................................................

WIND (MPH)
AVERAGE WIND SPEED              5.6
HIGHEST WIND SPEED/DIRECTION    22/170    DATE  09/20
                                22/010          09/22
                                22/320          09/24
HIGHEST GUST SPEED/DIRECTION    39/290    DATE  09/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.39
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC             14
NUMBER OF DAYS CLOUDY          3

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       2
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      0
HAZE                      1

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

$$


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