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000
CXUS53 KLOT 011340
CLMMDW

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
840 AM CDT THU JUN 01 2023

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

...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH            102   05/31/1934
 LOW              28   05/12/1981
HIGHEST           91   05/31                          95  05/12
LOWEST            41   05/01                          42  05/04
                       05/03
                       05/04
AVG. MAXIMUM    73.7               71.1     2.6     74.4
AVG. MINIMUM    52.8               52.0     0.8     57.5
MEAN            63.3               61.5     1.8     66.0
DAYS MAX >= 90     1                1.1    -0.1        6
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.67   2019
 MINIMUM        0.25   1992
TOTALS          0.59               4.09   -3.50     3.55
DAILY AVG.      0.02               0.13   -0.11     0.11
DAYS >= .01        7               13.0    -6.0       10
DAYS >= .10        1                8.2    -7.2        9
DAYS >= .50        0                2.8    -2.8        1
DAYS >= 1.00       0                1.0    -1.0        1
GREATEST
 24 HR. TOTAL   0.31   05/12 TO 05/12               1.12


DEGREE DAYS
HEATING TOTAL    120                178     -58      137
 SINCE 7/1      5211               5729    -518       MM
COOLING TOTAL     73                 71       2      176
 SINCE 1/1        99                 82      17       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.9
HIGHEST WIND SPEED/DIRECTION    28/320    DATE  05/01
HIGHEST GUST SPEED/DIRECTION    39/320    DATE  05/01

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.59
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             15
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     51

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       6     FOG W/VIS <= 1/4 MILE      0
HAZE                      2

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

$$